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TEXAS INSTRUMENTS SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS handbook

1. 0 104 2 65 Max 7 0 004 0 10 Gauge Plane A Seating Plane 0 010 0 25 4040000 5 F 06 2004 NOTES A All linear dimensions are in inches millimeters B This drawing is subject to change without notice C Body dimensions do not include mold flash or protrusion not to exceed 0 006 0 15 D Falls within JEDEC MS 013 variation AD Wy TEXAS INSTRUMENTS www ti com MECHANICAL DATA MCERO04A JANUARY 1995 REVISED JANUARY 1997 JT R GDIP T CERAMIC DUAL IN LINE 24 LEADS SHOWN PINS 24 28 DIM 1 280 1 460 ARAR 32 51 37 08 1 240 1 440 AMN 31 50 36 58 0 300 0 291 BMAX 7 62 7 39 0 070 1 78 B IN 0 245 0 285 0 030 0 76 6 22 7 24 0 320 8 13 ke 0 100 2 54 MAX 0 015 0 38 MIN 0 290 7 37 PF 0 200 5 08 MAX il Seating Plane x i 0 130 3 30 MIN 0 023 0 58 T 0 015 0 38 0 014 0 36 0 008 0 20 0 100 2 54 4040110 C 08 96 NOTES A Alllinear dimensions are in inches millimeters B This drawing is subject to change without notice C This package can be hermetically sealed with a ceramic lid using glass frit D Index point is provided on cap for terminal identification E Falls wi
2. MECHANICAL DATA MCFP007 OCTOBER 1994 W R GDFP F24 CERAMIC DUAL FLATPACK 0 375 9 53 Base and Seating Plane 0 340 8 64 0 006 0 15 0 004 0 10 0 090 2 29 0 395 10 03 0 045 1 14 0 045 1 14 0 360 9 14 0 360 9 14 0 360 9 14 0 026 0 66 0 240 6 10 0 240 6 10 0 019 0 48 y_ 0 015 0 38 A 0 050 1 27 0 640 16 26 0 490 12 45 0 030 0 76 0 015 0 38 7 N 12 30 TYP 1 115 28 32 0 840 21 34 gt 4040180 5 B 03 95 NOTES A All linear dimensions are in inches millimeters B This drawing is subject to change without notice C This package can be hermetically sealed with a ceramic lid using glass frit D Falls within MIL STD 1835 GDFP2 F24 and JEDEC MO 070AD E Index point is provided on cap for terminal identification only ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 MECHANICAL DATA DW R PDSO G24 PLASTIC SMALL OUTLINE PACKAGE 2 0 020 0 51 0 012 0 31 0 010 0 25 Pin 1 0 050 1 27 Index Area
3. t For conditions shown as MIN or MAX use the appropriate value specified under recommended operating conditions switching characteristics see Figure 1 Voc 4 5 V to 5 5 V CL 50 pF R1 500 Q FROM TO R2 500 Q INPUT OUTPUT Ta MIN to MAX SN74ALS876A PARAMETER t For conditions shown as MIN or MAX use the appropriate value specified under recommended operating conditions absolute maximum ratings over operating free air temperature range unless otherwise noted t Supply voltage VGC eissses ee Aedes ented eee dees dane En hele ee ae ee 7V Input voltage Vj cascricssi iiecciiesiist a tiaa EAA EAE EEEE ETE E EE 7V Operating free air temperature range Ta SN74AS874 SN74AS876 0005 0 C to 70 C Storage temperature range 0 0 c cnet eee ees 65 C to 150 C Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating conditions is not implied Exposure to absolute maximum rated conditions for extended periods may affect device reliability wy TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 5 SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS SDAS061C APRIL 1982 REVISED JANUARY 1995 recommend
4. they use any non designated products in automotive applications TI will not be responsible for any failure to meet such requirements Following are URLs where you can obtain information on other Texas Instruments products and application solutions Products Applications Amplifiers amplifier ti com Audio www ti com audio Data Converters dataconverter ti com Automotive www ti com automotive DSP dsp ti com Broadband www ti com broadband Clocks and Timers www ti com clocks Digital Control www ti com digitalcontrol Interface interface ti com Medical www ti com medical Logic logic ti com Military www ti com military Power Mgmt power ti com Optical Networking www ti com opticalnetwork Microcontrollers microcontroller ti com Security www ti com security RFID www ti rfid com Telephony www ti com telephony RF IF and ZigBee Solutions www ti com Iprf Video amp Imaging www ti com video Wireless www ti com wireless Mailing Address Texas Instruments Post Office Box 655303 Dallas Texas 75265 Copyright 2008 Texas Instruments Incorporated
5. 2 7 12 0 24 0 Q1 SN74AS876DWR SOIC DW 24 2000 330 0 24 4 10 75 15 7 2 7 12 0 24 0 Q1 Pack Materials Page 1 Ki Texas PACKAGE MATERIALS INFORMATION INSTRUMENTS www ti com 11 Mar 2008 TAPE AND REEL BOX DIMENSIONS ar All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length mm Width mm Height mm SN74ALS874BDWR SOIC DW 24 2000 346 0 346 0 41 0 SN74ALS874BNSR SO NS 24 2000 346 0 346 0 41 0 SN74ALS876ADWR SOIC DW 24 2000 346 0 346 0 41 0 SN74AS874DWR SOIC DW 24 2000 346 0 346 0 41 0 SN74AS876DWR SOIC DW 24 2000 346 0 346 0 41 0 Pack Materials Page 2 MECHANICAL DATA MLCCOO6B OCTOBER 1996 FK S CQCC N LEADLESS CERAMIC CHIP CARRIER 28 TERMINAL SHOWN NO OF TERMINALS 18 17 16 15 14 13 12 20 28 44 52 68 26 27 28 1 0 020 0 51 0 080 2 03 0 010 0 25 4 i 0 064 1 63 0 020 0 51 0 010 0 25 0 055 1 40 0 045 1 14 0 045 1 14 0 035 0 89 0 028 0 71 l 0 045 1 14 0 022 0 54 0 035 0 89 0 050 1 27 4040140 D 10 96 NOTES A Alllinear dimensions are in inches millimeters B This drawing is subject to change without notice C This package can be hermetically sealed with a metal lid D The terminals are gold plated E Falls within JEDEC MS 004 ki TEXAS INSTRUMENT
6. 20 19 18 17 16 15 101 102 103 104 201 202 203 204 SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS SDAS061C APRIL 1982 REVISED JANUARY 1995 logic diagrams positive logic SN74ALS876A SN74AS876 each quad flip flop SN54ALS874B SN74ALS874B SN74AS874 each quad flip flop D2 1D D2 e rR S gt C1 o3 e c1 Q3 D3 1D D3 1D R S gt C1 p Q4 gt C1 Q4 D4 1D D4 1D Pin numbers shown are for the DW JT and NT packages absolute maximum ratings over operating free air temperature range unless otherwise noted t Supply voltaje VEC aa kicivaiues Peder eye ect eu eel eee dctee redee dere a a bere ads 7V INDUL VONAGE Vi rirsirisnercsdei sowed Medea dt dR nak Sth a eae le alana alah etna date Bayada 7V Voltage applied to a disabled 3 state output 1 nannu rnaar nrnna 5 5V Operating free air temperature range Ta SN54ALS874B Ow eee 55 C to 125 C SN74ALS874B SN74ALS876A 055 0 C to 70 C Storage temperature range 0 derinden ii daN EAA e eee i 65 C to 150 C Tt Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated under recommended operating condit
7. ENDUM INSTRUMENTS www ti com 9 Oct 2007 incoming materials and chemicals TI and TI suppliers consider certain information to be proprietary and thus CAS numbers and other limited information may not be available for release In no event shall TI s liability arising out of such information exceed the total purchase price of the TI part s at issue in this document sold by TI to Customer on an annual basis Addendum Page 3 Kis Texas PACKAGE MATERIALS INFORMATION INSTRUMENTS www ti com 11 Mar 2008 TAPE AND REEL INFORMATION REEL DIMENSIONS TAPE DIMENSIONS Reel Diameter Dimension designed to accommodate the component width Dimension designed to accommodate the component length Dimension designed to accommodate the component thickness y Overall width of the carrier tape Pitch between successive cavity centers t Reel Width W1 QUADRANT ASSIGNMENTS FOR PIN 1 ORIENTATION IN TAPE Sprocket Holes User Direction of Feed All dimensions are nominal Device Package Package Pins SPQ Reel Reel AO mm BO mm KO mm P1 Ww Pint Type Drawing Diameter Width mm mm Quadrant mm W1 mm SN74ALS874BDWR SOIC DW 24 2000 330 0 24 4 10 75 15 7 2 7 12 0 24 0 Q1 SN74ALS874BNSR SO NS 24 2000 330 0 24 4 8 2 15 4 2 5 12 0 24 0 Q1 SN74ALS876ADWR SOIC DW 24 2000 330 0 24 4 10 75 15 7 2 7 12 0 24 0 Q1 SN74AS874DWR SOIC DW 24 2000 330 0 24 4 10 75 15 7
8. IM no Sb Br SN74AS876DWRE4 ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS876DWRG4 ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS876NT ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SN74AS876NTE4 ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SNJ54ALS874BFK ACTIVE LCCC FK 28 1 TBD POST PLATE N A for Pkg Type SNJ54ALS874BUT ACTIVE CDIP JT 24 1 TBD A42 SNPB N A for Pkg Type The marketing status values are defined as follows ACTIVE Product device recommended for new designs LIFEBUY TI has announced that the device will be discontinued and a lifetime buy period is in effect NRND Not recommended for new designs Device is in production to support existing customers but TI does not recommend using this part in a new design PREVIEW Device has been announced but is not in production Samples may or may not be available OBSOLETE TI has discontinued the production of the device 2 Eco Plan The planned eco friendly classification Pb Free RoHS Pb Free RoHS Exempt or Green RoHS amp no Sb Br please check http Awww ti com productcontent for the latest availability information and additional product content details TBD The Pb Free Green conversion plan has not been defined Pb Free RoHS TI s terms Lead Free or Pb Free mean semiconductor products that are compatible with the current RoHS requirements for
9. IVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BDWG4 ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BDWR ACTIVE SOIC DW 24 2000 Green RoHS amp CUNIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BDWRE4 ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BDWRG4 ACTIVE SOIC DW 24 2000 Green RoHS amp CUNIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BNSR ACTIVE SO NS 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BNSRE4 ACTIVE so NS 24 2000 Green RoHS amp CUNIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BNSRG4 ACTIVE SO NS 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BNT ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SN74ALS874BNTE4 ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SN74ALS876ADW ACTIVE SOIC DW 24 25 Green RoHS amp CUNIPDAU Level 1 260C UNLIM no Sb Br SN74ALS876ADWE4 ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS876ADWG4 ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS876ADWR ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS876ADWRE4 ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS876ADWRG4 ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS876A
10. NT ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SN74ALS876ANTE4 ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SN74AS874DW ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS874DWE4 ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS874DWG4 ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS874DWR ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM Addendum Page 1 K Texas PACKAGE OPTION ADDENDUM INSTRUMENTS www ti com 9 Oct 2007 Orderable Device Status Package Package Pins Package Eco Plan Lead Ball Finish MSL Peak Temp Type Drawing Qty no Sb Br SN74AS874DWRE4 ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS874DWRG4 ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS874NT ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SN74AS874NTE4 ACTIVE PDIP NT 24 15 Pb Free CU NIPDAU N A for Pkg Type RoHS SN74AS876DW ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS876DWE4 ACTIVE SOIC DW 24 25 Green RoHS amp CUNIPDAU Level 1 260C UNLIM no Sb Br SN74AS876DWG4 ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74AS876DWR ACTIVE SOIC DW 24 2000 Green RoHS amp CU NIPDAU Level 1 260C UNL
11. S POST OFFICE BOX 655303 DALLAS TEXAS 75265 NS R PDSO G 14 PINS SHOWN MECHANICAL DATA 0 25M Seating Plane 2 00 MAX PLASTIC SMALL OUTLINE PACKAGE 0 15 NOM P Gage Plane A 0 10 A NOTES A All linear dimensions are in millimeters B This drawing is subject to change without notice C Body dimensions do not include mold flash or protrusion not to exceed 0 15 4040062 C 03 03 wy TEXAS INSTRUMENTS www ti com MECHANICAL DATA MPDI004 OCTOBER 1994 NT R PDIP T PLASTIC DUAL IN LINE PACKAGE 24 PINS SHOWN 24 1 260 32 04 1 230 0 280 7 11 31 24 0 250 6 35 0 310 7 87 1 0 290 0 070 1 78 MAX 7 37 0 020 0 51 MIN fF 0 200 5 08 MAX Ea A i Seating Plane x l 0 125 3 18 MIN 0 100 2 54 0 021 0 53 0 015 0 38 0 010 0 25 0 010 0 25 NOM p 4040050 B 04 95 NOTES A Alllinear dimensions are in inches millimeters B This drawing is subject to change without notice vy TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265
12. S874B SN74AS874 DW OR NT PACKAGE TOP VIEW SN54ALS874B FK PACKAGE TOP VIEW NC No internal connection SN74ALS876A SN74AS876 DW OR NT PACKAGE TOP VIEW PRODUCTION DATA information is current as of publication date Products conform to specifications per the terms of Texas Instruments standard warranty Production processing does not necessarily include testing of all parameters wy TEXAS Copyright 1995 Texas Instruments Incorporated INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 1 SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS SDAS061C APRIL 1982 REVISED JANUARY 1995 logic symbolst 10E 1CLK 1CLR 1D1 1D2 1D3 1D4 20E 2CLK 2CLR 2D1 2D2 2D3 2D4 t These symbols are in accordance with ANSI IEEE Std 91 1984 and IEC Publication 617 12 SN54ALS874B SN74ALS874B SN74AS874 INPUTS ou Function Tables each flip flop X TPUT Q SN74ALS876A SN74AS876 each flip flop ms Jo OE PRE CLK D SN54ALS874B SN74ALS874B SN74AS874 22 21 20 19 18 17 16 15 Pin numbers shown are for the DW JT and NT packages 1Q1 1Q2 1Q3 104 2Q1 2Q2 2Q3 204 X 10E 1CLK 1PRE 1D1 1D2 1D3 1D4 20E 2CLK 2PRE 2D1 2D2 2D3 2D4 ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 Q SN74ALS876A SN74AS876 22 21
13. SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS 3 State Buffer Type Outputs Drive Bus Lines Directly Bus Structured Pinout Choice of True or Inverting Logic SN54ALS874B SN74ALS874B SN74AS874 Have True Outputs SN74ALS876A SN74AS876 Have Inverting Outputs Asynchronous Clear Package Options Include Plastic Small Outline DW Packages Plastic FN and Ceramic FK Chip Carriers and Standard Plastic NT and Ceramic JT 300 mil DIPs description These dual 4 bit D type edge triggered flip flops feature 3 state outputs designed specifically as bus drivers They are particularly suitable for implementing buffer registers I O ports bidirectional bus drivers and working registers The edge triggered flip flops enter data on the low to high transition of the clock CLK input The SN54ALS874B SN74ALS874B and SN74AS874 have clear CLR inputs and noninverting Q outputs The SN74ALS876A and SN74AS876 have preset PRE inputs and inverting Q outputs taking PRE low causes the four Q or Q outputs to go low independently of the clock The SN54ALS874B is characterized for operation over the full military temperature range of 55 C to 125 C The SN74ALS874B SN74ALS876A SN74AS874 and SN74AS876 devices are characterized for operation from 0 C to 70 C SDAS061C APRIL 1982 REVISED JANUARY 1995 SN54ALS874B JT PACKAGE SN74AL
14. V see Note B see Note C VoL VOLTAGE WAVEFORMS VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES 3 STATE OUTPUTS PROPAGATION DELAY TIMES NOTES A Cy includes probe and jig capacitance B Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control When measuring propagation delay items of 3 state outputs switch S1 is open All input pulses have the following characteristics PRR lt 1 MHz tr tf 2 ns duty cycle 50 The outputs are measured one at a time with one transition per measurement Figure 1 Load Circuits and Voltage Waveforms moo ki TEXAS INSTRUMENTS 8 POST OFFICE BOX 655303 DALLAS TEXAS 75265 Ki Texas PACKAGE OPTION ADDENDUM INSTRUMENTS www ti com 9 Oct 2007 PACKAGING INFORMATION Orderable Device Status Package Package Pins Package Eco Plan Lead Ball Finish MSL Peak Temp Type Drawing Qty 84010013A ACTIVE LCCC FK 28 1 TBD POST PLATE N A for Pkg Type 8401001KA OBSOLETE CFP Ww 24 TBD Call TI Call TI 8401001LA ACTIVE CDIP JT 24 1 TBD A42 SNPB N A for Pkg Type SN54ALS874BUT ACTIVE CDIP JT 24 1 TBD A42 SNPB N A for Pkg Type SN74ALS874BDW ACTIVE SOIC DW 24 25 Green RoHS amp CU NIPDAU Level 1 260C UNLIM no Sb Br SN74ALS874BDWE4 ACT
15. all 6 substances including the requirement that lead not exceed 0 1 by weight in homogeneous materials Where designed to be soldered at high temperatures TI Pb Free products are suitable for use in specified lead free processes Pb Free ROHS Exempt This component has a RoHS exemption for either 1 lead based flip chip solder bumps used between the die and package or 2 lead based die adhesive used between the die and leadframe The component is otherwise considered Pb Free RoHS compatible as defined above Green RoHS amp no Sb Br TI defines Green to mean Pb Free ROHS compatible and free of Bromine Br and Antimony Sb based flame retardants Br or Sb do not exceed 0 1 by weight in homogeneous material 3 MSL Peak Temp The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications and peak solder temperature Important Information and Disclaimer The information provided on this page represents TI s knowledge and belief as of the date that it is provided Tl bases its knowledge and belief on information provided by third parties and makes no representation or warranty as to the accuracy of such information Efforts are underway to better integrate information from third parties TI has taken and continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on Addendum Page 2 K Texas PACKAGE OPTION ADD
16. e severe personal injury or death unless officers of the parties have executed an agreement specifically governing such use Buyers represent that they have all necessary expertise in the safety and regulatory ramifications of their applications and acknowledge and agree that they are solely responsible for all legal regulatory and safety related requirements concerning their products and any use of TI products in such safety critical applications notwithstanding any applications related information or support that may be provided by TI Further Buyers must fully indemnify TI and its representatives against any damages arising out of the use of TI products in such safety critical applications TI products are neither designed nor intended for use in military aerospace applications or environments unless the TI products are specifically designated by TI as military grade or enhanced plastic Only products designated by TI as military grade meet military specifications Buyers acknowledge and agree that any such use of TI products which TI has not designated as military grade is solely at the Buyer s risk and that they are solely responsible for compliance with all legal and regulatory requirements in connection with such use TI products are neither designed nor intended for use in automotive applications or environments unless the specific TI products are designated by TI as compliant with ISO TS 16949 requirements Buyers acknowledge and agree that if
17. ed operating conditions SN74AS874 SN74AS876 UNIT Fvix__Lowlevelinputvotage SSCS SS CSC VY fot _Lowlevelautputeurent SSCS SSCS SSCS feos Geecrewsrey es oe Peono gt ist eww eo e Ss n Data ee l O ns ee PRE or CLR inactive fc ee Se Hold time data after CLKT electrical characteristics over recommended operating free air temperature range unless otherwise noted SN74AS874 PARAMETER TEST CONDITIONS SN74AS876 UNIT APMP RPO MoO Hi MIN MIN TYPt MAX MAX Vcc 4 5 V to 5 5 V IOH 2 MA Voc 4 5 V IOH 15 mA w a All others Voc 55V Vo 225V Co mej ma SN74AS874 Vcc 55V a Outputs d disabled 100 160 loc SN74AS876 Voo 55V Outputs disabled 100 160 T All typical values are at Vcc 5 V Ta 25 C The output conditions have been chosen to produce a current that closely approximates one half of the true short circuit output current los wy TEXAS INSTRUMENTS 6 POST OFFICE BOX 655303 DALLAS TEXAS 75265 SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS SDAS061C APRIL 1982 REVISED JANUARY 1995 switching characteristics see Figure 1 Voc 4 5 Vto 5 5 V CL 50 pF R1 500 Q FROM TO R2 500 Q INPUT OUTPUT Ta MIN to MAX SN74AS874 PARAMETER t For conditions shown as MIN or MAX use the appropriate value specified under recommended operating conditions switching characteris
18. ions is not implied Exposure to absolute maximum rated conditions for extended periods may affect device reliability ki TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 3 SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS SDAS061C APRIL 1982 REVISED JANUARY 1995 recommended operating conditions SN74ALS874B SN54ALS874B SN74ALS876A UNIT Tix __Lowievelinputvotage a T a a SE A ee E a TA Operating free air temperature 55 125 electrical characteristics over recommended operating free air temperature range unless otherwise noted SN74ALS874B SN54ALS874B PARAMETER TEST CONDITIONS a SN74ALS876A MIN TYPT MAX MIN TYPT MAX a T ET assz voc s5v Conen f a e ei C A S sn7aaLse7sa voc 55v omweso Oooo o e omasa Sid SSC The output conditions have been chosen to produce a current that closely approximates one half of the true short circuit output current lOS T All typical values are at Vcc 5 V Ta 25 C ki TEXAS INSTRUMENTS 4 POST OFFICE BOX 655303 DALLAS TEXAS 75265 SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS SDAS061C APRIL 1982 REVISED JANUARY 1995 switching characteristics see Figure 1 Vec 4 5 V to 5 5 V CL 50 pF R1 500 9 FROM TO R2 500 Q PARAMETER d INPUT OUTPUT TA MIN to MAX SN54ALS874B SN74ALS874B
19. t copyright mask work right or other TI intellectual property right relating to any combination machine or process in which TI products or services are used Information published by TI regarding third party products or services does not constitute a license from TI to use such products or services or a warranty or endorsement thereof Use of such information may require a license from a third party under the patents or other intellectual property of the third party or a license from TI under the patents or other intellectual property of TI Reproduction of TI information in TI data books or data sheets is permissible only if reproduction is without alteration and is accompanied by all associated warranties conditions limitations and notices Reproduction of this information with alteration is an unfair and deceptive business practice TI is not responsible or liable for such altered documentation Information of third parties may be subject to additional restrictions Resale of TI products or services with statements different from or beyond the parameters stated by TI for that product or service voids all express and any implied warranties for the associated TI product or service and is an unfair and deceptive business practice TI is not responsible or liable for any such statements TI products are not authorized for use in safety critical applications such as life support where a failure of the TI product would reasonably be expected to caus
20. thin MIL STD 1835 GDIP3 T24 GDIP4 T28 and JEDEC MO 058 AA MO 058 AB vy TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries Tl reserve the right to make corrections modifications enhancements improvements and other changes to its products and services at any time and to discontinue any product or service without notice Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete All products are sold subject to Tl s terms and conditions of sale supplied at the time of order acknowledgment TI warrants performance of its hardware products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are used to the extent TI deems necessary to support this warranty Except where mandated by government requirements testing of all parameters of each product is not necessarily performed TI assumes no liability for applications assistance or customer product design Customers are responsible for their products and applications using TI components To minimize the risks associated with customer products and applications customers should provide adequate design and operating safeguards TI does not warrant or represent that any license either express or implied is granted under any TI patent righ
21. tics see Figure 1 Voc 4 5 V to 5 5 V CL 50 pF R1 500 Q FROM TO R2 500 Q INPUT OUTPUT Ta MIN to MAX SN74AS876 PARAMETER t For conditions shown as MIN or MAX use the appropriate value specified under recommended operating conditions wy TEXAS INSTRUMENTS POST OFFICE BOX 655303 DALLAS TEXAS 75265 7 SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4 BIT D TYPE EDGE TRIGGERED FLIP FLOPS SDAS061C APRIL 1982 REVISED JANUARY 1995 PARAMETER MEASUREMENT INFORMATION SERIES 54ALS 74ALS AND 54AS 74AS DEVICES Vcc RL R1 R2 see Note A ale A see Note A see Note A S1 RL R1 From Output Test From Output Test From Output e Under Test Point Under Test Point Under Test Point CLs RL cL CL R2 LOAD CIRCUIT FOR BI STATE LOAD CIRCUIT LOAD CIRCUIT TOTEM POLE OUTPUTS FOR OPEN COLLECTOR OUTPUTS FOR 3 STATE OUTPUTS Timing 3 5 V High Level 2 35V Input 1 3 V Pulse 1 3 V 1 3 V 0 3 V 0 3 V 4 pE th tsu ki E 3 5 V Data Low Level Input 1 3V 1 3V sai Pulse 1 3V 1 3V oe VOLTAGE WAVEFORMS VOLTAGE WAVEFORMS SETUP AND HOLD TIMES PULSE DURATIONS Output Control low level enabling O L pi SH 3 5V Input 1 3V 1 3 V 0 3 V Waveform 1 tPLH gt o tPHL S1 Closed y In Phase OH see Note B Output 1 3 V 1 3 V VOL gt tPLH tPHL _ gt Wauetormns Out of Phase VOH S1 Open Output 1 3V 1 3

TEXAS INSTRUMENTS SN54ALS874B SN74ALS874B SN74ALS876A SN74AS874 SN74AS876 DUAL 4-BIT D-TYPE EDGE-TRIGGERED FLIP-FLOPS handbook

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