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TEXAS INSTRUMENTS SN54219 SN74276 handbook

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1. Su 10 Operating free air temperature TA The arrow indicates that tha falling edge of the clock pulse is used for reference electrical characteristics over recommended operating free air temperature range unless otherwise noted 2 Voc MIN VIH 2Y VIL OBY IOH 800 uA VoL vec MIN Vin 72 V 02 0 4 Vit 0 8 V loL 16MA HH High levet input current Veo MAX Vi 24V 49 HL Low level input current Vcc MAX Vi 04V o ome m ES E t For conditions shown as MIN or MAX use tha appropriate value specified undar recommended oparating conditions A typical values are at Vp c 5 V TA 25 C Not more than on output should be shorted st a time YOH High level output voltage Low ievel output voltage switching characteristics Vcc 5 V TA 25 C asso Me PARAMETER MIN TYF 35 50 15 25 1 3H fmax Maximum clock frequency tPLH Propagation delay time low to high level output from preset CQ 15 pF S 25 tph Propagation delay tima high to low level output from clear Rp 400 0 teh Propagation delay time low to high level output fram clock See Note 2 17 30 tpH_ Propagation delay time high to low l amp vel output from clock 20 30 NOTE 2 Load circuits and voltage waveforms are shown in Section 1 m Tex 3 3 INSTPUi wTS POST OFFICE BOX 658 12 DALLAS TEXAS 75255 IMPORTANT NOTI
2. nonstabla that is i may not tThis symbol is in accordance with ANSI IEEE Std 91 1984 and IEC Publication 617 12 oersist when preset and clear return to their inactive thigh level PRODUCTION DATA documents contain information currant ss of publication date Preducts conterm to specifications per the terms of Taxes instruments standard warranty Production processing dees not necessarily include testing of all parameters kis TEXAS INSTR IMENTS POST O FICE BOX 855072 DALLAS TEXAS 75765 N54276 SN74276 QUADRUPLE J K FLIP FLOPS schematics of inputs and outputs EQUIVALENT OF EACH INPUT TYPICAL OF ALL OUTPUTS Vee Req gt Req 7 4 k NOM gt Reg 10 2 kf NOM D Reg 11 8 K2 NOM absolute maximum ratings over operating free air temperature range unless otherwise noted Supply voltage Vcc see Note 1 02 ee eee eee 7 V Input voltage auauua ce eee ee ee bene nee ee ee ee eee eee eee eee eee eee 55V Operating free air temperature range SNB4276 0 ee eee 55 C to 126 C SN742786 0000 ee OG to 70 C Storage temperature range 2 2 ne e n 65 C to 150 C NOTE 1 Voltage valuas ara with respect to network ground terminal ki TEXAS INSTRUMENTS SN54276 SN74276 mE QUADRUPLE J K FLIP FLOPS o recommended operating conditions Supply voltage Vcc Low level output current log Clock frequency 0 35 Pulsewidth ty oeo y 1 O Setup time
3. 218 SN 74216 E Nr fS SN54276 SN74276 QUADRUPLE J K FLIP FLOPS SDLSO91 OCTOBER 1976 REVISED MARCH 1988 SN54276 J PACKAGE Er N74276 N PACKAGE e Four J K Flip Flops in a Single Package TOP VIEWI Can Reduce FF Package Count by 50 e Separate Negative Edge Triggered Clocks with Hysteresis Typically 200 mV e Typical Clock Input Frequency 50 MHz e Fully Buffered Outputs description These quadruple TTL J K flip flops incorporate a number of third generation AC features that can simplify system design and reduce flip flop package count by up to 50 They feature hysteresis at each clock input fully buffered outputs and direct clear capability and are presettable through a buffer that also features an input hysteresis loop The negative edge triggering clocks are directly compatible with earlier Series 54 74 single and dua pulse triggered flip flops These circuits can be used to emulate D or T type flip flops by hard wiring the inputs or to implement asychronous sequential functions logic symbol 11 The SN54276 is characterized for operation over the TE full military temperature range of 55 C to 125 C the SN74726 is characterized for operation from 0 C to 70 C FUNCTION TABLE EACH FLIP FLOP COMMON INPUTS INPUTS QUTPUT 2 MINCE J K L X X 3 aa H X X L X X aCLK H L H 3K H H H aj aa H L t ACLK H H L TOGGLE ae H x x Qg t This configuration is
4. CE Texas Instruments TI reserves the right to make changes to its products or to discontinue any semiconductor product or service without notice and advises its customers to obtain the latest version of relevant information to verify before placing orders that the information being relied on is current TI warrants performance of its semiconductor products and related software to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty Specific testing of all parameters of each device is not necessarily performed except those mandated by government requirements Certain applications using semiconductor products may involve potential risks of death personal injury or severe property or environmental damage Critical Applications TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED INTENDED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT APPLICATIONS DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS Inclusion of TI products in such applications is understood to be fully at the risk of the customer Use of TI products in such applications requires the written approval of an appropriate TI officer Questions concerning potential risk applications should be directed to TI through a local SC sales office In order to minimize risks associated with the customer s applications adeq
5. ameters of each device is not necessarily performed except those mandated by government requirements CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF DEATH PERSONAL INJURY OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE CRITICAL APPLICATIONS TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS OR OTHER CRITICAL APPLICATIONS INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO BE FULLY AT THE CUSTOMER S RISK In order to minimize risks associated with the customer s applications adequate design and operating safeguards must be provided by the customer to minimize inherent or procedural hazards Tl assumes no liability for applications assistance or customer product design TI does not warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of TI covering or relating to any combination machine or process in which such semiconductor products or services might be or are used Tl s publication of information regarding any third party s products or services does not constitute Tl s approval warranty or endorsement thereof Copyright 1998 Texas Instruments Incorporated
6. uate design and operating safeguards should be provided by the customer to minimize inherent or procedural hazards TI assumes no liability for applications assistance customer product design software performance or infringement of patents or services described herein Nor does TI warrant or represent that any license either express or implied is granted under any patent right copyright mask work right or other intellectual property right of Tl covering or relating to any combination machine or process in which such semiconductor products or services might be or are used Copyright 1996 Texas Instruments Incorporated IMPORTANT NOTICE Texas Instruments and its subsidiaries TI reserve the right to make changes to their products or to discontinue any product or service without notice and advise customers to obtain the latest version of relevant information to verify before placing orders that information being relied on is current and complete All products are sold subject to the terms and conditions of sale supplied at the time of order acknowledgement including those pertaining to warranty patent infringement and limitation of liability TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in accordance with Tl s standard warranty Testing and other quality control techniques are utilized to the extent TI deems necessary to support this warranty Specific testing of all par

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