PHILIPS 74ABT16646 74ABTH16646 16-bit bus transceiver/register (3-State) handbook
Contents
1. 1DIR 1 1SAB SBA GND GND AO A1 B1 Voc Voc A2 B2 B3 A4 B4 GND GND A5 B5 A6 B6 A7 B7 2A0 280 2 1 2B1 2A2 2B2 GND GND 2A3 2B3 2A4 2B4 2A5 2B5 Voc Voc 2A6 2B6 2A7 2B7 GND GND 2SAB 2SBA 2CPAB 2CPBA 2DIR 20E SH00026 FUNCTION TABLE INPUTS DATA I O OPERATING MODE Real time B data to A bus Stored B data to A bus Real time A data to B bus Output Stored A data to B bus High voltage level Low voltage level Don t care Low to High clock transition The data output function may be enabled or disabled by various signals at the nOE input Data input functions are always enabled i e data at the bus pins will be stored on every Low to High transition of the clock 1998 Feb 27 3 Philips Semiconductors Product specification 74 16646 16 bit bus transceiver register 3 State FAABTH16646 LOGIC SYMBOL 10 12 13 14 3 EN1 BA 3 EN2 AB 1A0 1A1 1A2 1A3 1A4 1A5 1A6 1A7 1CPAB 1SAB 1DIR 1CPBA 1SBA 1OE 180 1B1 182 1B3 1B4 1B5 1B6 1B7 G10 10 EN8 BA 10 EN9 AB 52 51 49 48 47 45 44 43 15 16 17 19 20 21 23 24 2A0 2A1 2A2 2A3 2A4 2A5 2A6 2A7 2CPAB 2SAB 2DIR 2CPBA 2SBA 20E 2B0 2B1 2B2 2B3 2B4 2B5 2B6 2B7 42 41 40 38 37 36 34 33 SH00027 00025 1998 Feb 27 4 Philips Semiconductors Product specification 74ABT 16646 16 bit bus transceiver register 3 State FAABTH16646 The following examples dem2. Output enable time 4 8 Ti 5 4 tPZL nDIR to nAx or nBx 4 8 1 5 6 tpuz Output disable time 5 7 2 0 6 7 tpLz nDIR to nAx or nBx 5 1 1 5 5 9 AC SETUP REQUIREMENTS GND OV tp te 2 5ns 50pF 5000 D AR Q ao PITS 40 to 85 C Voc 5 0V 0 5V WAVEFORMS VM 1 5V Vin GND to 3 0V 3 0V or Voc whichever 3 0V or mE nSBA or nSAB nAx or nBx nAx or nBx nAx or nBx nAx or nBx VoL 00030 00031 Waveform 1 Propagation Delay Clock Input to Output Clock Waveform 2 Propagation Delay nSAB to nBx or nSBA to nAx Pulse Width and Maximum Clock Frequency nAx to nBx or nBx to nAx 1998 Feb 27 8 Philips Semiconductors Product specification 74 16646 16 bit bus transceiver register 3 State FAABTH16646 AC WAVEFORMS Continued Vu 1 5V Vin GND to 3 0V 3 0V or Voc 3 0V or Voc whichever is less 0v 0v VoH nAx or nBx nAx or nBx VoL SH00032 SH00034 Waveform 3 Propagation Delay nSBA to nAx or nSAB to nBx Waveform 5 3 State Output Enable Time to High Level and Output Disable Time from High Level ZA 3 0V or ov 3 0V or nAx or nBx Vx NOTE The shaded areas indicate when the input is permitted No OV to change for predictable output performance SH00033 SH00035 Waveform 4 Data Setup and Hold Times Waveform 6 3 State Output Enable Ti
3. INTEGRATED CIRCUITS DATA 74ABT16646 74ABTH16646 16 bit bus transceiver register 3 State Product specification 1998 Feb 27 Supersedes data of 1995 Aug 17 IC23 Data Handbook Philips PHILIPS Semiconductors pl LI DS Philips Semiconductors Product specification 16 bit bus transceiver register 3 State 74ABT16646 74ABTH16646 FEATURES Independent registers for A and B buses Multiple Vcc and GND pins minimize switching noise 9 ive insertion extraction permitted 9 Power up 3 State 9 Power up reset Multiplexed real time and stored data 9 Outputs sink 64mA and source 32mA 9 atch up protection exceeds 500mA per Std 17 74ABTH16646 incorporates bus hold data inputs which eliminate the need for external pull up resistors to hold unused inputs ESD protection exceeds 2000V per MIL STD 883 Method 3015 and 200V per Machine Model DESCRIPTION The 74ABT16646 high performance device combines low static and dynamic power dissipation with high speed and high output drive The 74ABT16646 16 bit transceiver register consists of two sets of bus transceiver circuits with 3 State outputs D type flip flops and control circuitry arranged for multiplexed transmission of data directly from the input bus or from the internal registers Data on the A or B bus will be clocked into the registers as the appropriate clock pin goes High Output Enable nOE and Direction nDIR
4. assumes no responsibility or liability for the use of any of these products conveys no license or title under any patent copyright or mask work right to these products and makes no representations or warranties that these products are free from patent copyright or mask work right infringement unless otherwise specified Philips Semiconductors Copyright Philips Electronics North America Corporation 1998 811 East Arques Avenue All rights reserved Printed in U S A Box 3409 Sunnyvale California 94088 3409 print code Date of release 05 96 Telephone 800 234 7381 Document order number 9397 750 03498 Let make things better ee amp PHILIPS
5. State FAABTH16646 TSSOP56 plastic thin shrink small outline package 56 leads body width 6 1mm SOT364 1 seating plane detail X MSA400 Dimensions in mm 1998 Feb 27 11 Philips Semiconductors Product specification 74 16646 16 bit bus transceiver register 3 State 74 16646 Data sheet status Data sheet Product Definition 1 status status Objective Development This data sheet contains the design target or goal specifications for product development specification Specification may change in any manner without notice Preliminary Qualification This data sheet contains preliminary data and supplementary data will be published at a later date specification Philips Semiconductors reserves the right to make chages at any time without notice in order to improve design and supply the best possible product Product Production This data sheet contains final specifications Philips Semiconductors reserves the right to make specification changes at any time without notice in order to improve design and supply the best possible product 1 Please consult the most recently issued datasheet before initiating or completing a design Definitions Short form specification The data in a short form specification is extracted from a full data sheet with the same type number and title For detailed information see the relevant data sheet o
6. me to Low Level and Output Disable Time from Low Level TEST CIRCUIT AND WAVEFORMS 90 NEGATIVE PULSE ov PULSE CS GENERATOR icm m R je tTHL AMP V POSITIVE P PULSE Test Circuit for 3 State Outputs 10 SWITCH POSITION 1 5V TEST SWITCH Input Pulse Definition tPLZ closed closed All other open DEFINITIONS INPUT PULSE REQUIREMENTS FAMILY Load resistor see AC CHARACTERISTICS for value Load capacitance includes jig and probe capacitance see AC CHARACTERISTICS for value 74ABT H16 3 0V MHz 2 51 Termination resistance should be equal to Zour of pulse generators Amplitude Rep Rate tF SA00018 1998 Feb 27 9 Philips Semiconductors Product specification 74 16646 16 bit bus transceiver register 3 State 74 16646 SSOP56 plastic shrink small outline package 56 leads body width 7 5 mm SOT371 1 DIMENSIONS mm are the original dimensions A 1 1 UNIT 5 DM gm 0 3 0 22 18 55 7 6 0 2 0 13 18 30 Note 1 Plastic or metal protrusions of 0 25 mm maximum per side are not included OUTLINE REFERENCES EUROPEAN VERSION JEDEC EIAJ PROJECTION SOT371 1 MO 118AB ISSUE DATE 1998 Feb 27 10 Philips Semiconductors Product specification 74 16646 16 bit bus transceiver register 3
7. onstrate the four fundamental bus management functions that can be performed with the 74ABT 16646 REAL TIME BUS TRANSFER REAL TIME BUS TRANSFER STORAGE FROM BUS BUSA BUS A TO BUS B OR A AND L L X X X L L H X X L X H T X X L X T T nOE nDIR nCPAB nCPBA nSAB nSBA nOE nDIR nCPAB nCPBA nSAB nSBA nOE nDIR nCPAB nCPBA nSAB nSBA L L H TRANSFER STORED DATA TOAORB nOE nDIR nCPAB nCPBA nSAB nSBA L L X HIL X H L H HIL X H X SH00028 1998 Feb 27 5 Philips Semiconductors Product specification 74 16646 16 bit bus transceiver register 3 State FAABTH16646 LOGIC DIAGRAM 1 of 16 Channels DETAIL A X 7 SH00029 ABSOLUTE MAXIMUM RATINGS Wwe EE x ewm 6 NOTES 1 Stresses beyond those listed 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 2 The performance capability of a high performance integrated circuit in conjunction with its thermal environment can create junction
8. pins are provided to control the transceiver function In the transceiver mode data present at the high impedance port may be stored in either the A or B register or both The select nSAB nSBA pins determine whether data is stored or transferred through the device in real time The nDIR determines which bus will receive data when the nOE is active Low In the isolation mode nOE High data from Bus A may be stored in the B register and or data from Bus B may be stored in the A register When an output function is disabled the input function is still enabled and may be used to store and transmit data Only one of the two buses A or B may be driven at a time Two options are available 74ABT 16646 which does not have the bus hold feature and 74ABTH16646 which incorporates the bus hold feature QUICK REFERENCE DATA CONDITIONS PARAMETER Tamb 25 GND TYPICAL UNIT SYMBOL emere Aem o No ORDERING INFORMATION PIN DESCRIPTION 5 6 8 9 10 12 13 14 1A0 1A7 15 16 17 19 20 21 23 24 2A0 2A7 Data inputs outputs A side 1B0 1B7 Data inputs outputs B side 2B0 2B7 3 3 2 7 3 7 50 Quiescent supply current 42 41 40 38 37 36 34 33 1998 Feb 27 2 853 1782 19026 Philips Semiconductors Product specification 74 16646 16 bit bus transceiver register 3 State 74 16646 PIN CONFIGURATION
9. r data handbook Limiting values definition Limiting values given are in accordance with the Absolute Maximum Rating System IEC 134 Stress above one or more of the limiting values may cause permanent damage to the device These are stress ratings only and operation of the device at these or atany other conditions above those given in the Characteristics sections of the specification is not implied Exposure to limiting values for extended periods may affect device reliability Application information Applications that are described herein for any of these products are for illustrative purposes only Philips Semiconductors make no representation or warranty that such applications will be suitable for the specified use without further testing or modification Disclaimers Life support These products are not designed for use in life support appliances devices or systems where malfunction of these products can reasonably be expected to result in personal injury Philips Semiconductors customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips Semiconductors for any damages resulting from such application Right to make changes Philips Semiconductors reserves the right to make changes without notice in the products including circuits standard cells and or software described or contained herein in order to improve design and or performance Philips Semiconductors
10. supply current Alcc per input pin 65 M RE an 200 74ABTH16646 other inputs at Vgcar NOTES Not more than one output should be tested at a time and the duration of the test should not exceed one second This is the increase in supply current for each input at 3 4V For valid test results data must not be loaded into the flip flops or latches after applying the power This parameter is valid for any Vcc between OV 2 0V with a transition time of up to 100msec From Vcc 21 V to 5V 10 transition time of up to 100usec is permitted This is the bus hold overdrive current required to force the input to the opposite logic state PONS e 1998 Feb 27 7 Philips Semiconductors Product specification 74ABT 16646 16 bit bus transceiver register 3 State 74 16646 AC CHARACTERISTICS GND OV tp te 2 5ns 50pF 5000 LIMITS Tamb 40 to SYMBOL PARAMETER WAVEFORM 850C 5 0 5V Propagation delay 1 5 4 9 nCPAB to nBx or nCPBA to nAx 1 5 4 7 Propagation delay 1 0 3 9 nAx to nBx or nBx to nAx 1 0 4 6 an D N w E ol oo D D Ow Propagation delay 1 0 tPHL nSAB to nBx or nSBA to nAx 1 0 Output enable time 4 6 1 0 tpzL to nAx or nBx 4 9 1 5 2 7 5 5 0 5 oh ola uoloo Coco us D ol an Output disable time 4 9 Ts 5 4 tPLZ to nAx or nBx 4 1 1 4 5
11. temperatures which are detrimental to reliability The maximum junction temperature of this integrated circuit should not exceed 150 C 3 The input and output voltage ratings may be exceeded if the input and output current ratings are observed 1998 Feb 27 6 Philips Semiconductors Product specification 74ABT 16646 16 bit bus transceiver register 3 State FAABTH16646 RECOMMENDED OPERATING CONDITIONS SYMBOL PARAMETER UNIT ws poses ow meme 700 S Eo ww ES LE We LE LL E58 s CS Co temet OS ww ELECTRICAL CHARACTERISTICS LIMITS pe 40 SYMBOL PARAMETER TEST CONDITIONS 25 to pe UNIT AN TYP MN f MAX Co LL oaea e eo v Vos 45 Vile Sem Vim Ver 24 29 v current pins pep p qur jw ey AE EE Power up down 3 State Voc 2 1V Vo 0 0V or PUPD output current V GND or OE OE X i Vcc 5 5V Outputs High Vj GND or Quiescent supply current Vec 5 5V Outputs Low Vi GND or yee 5 5V Outputs 3 State GND supply current Voc 5 5V one input at 3 4V er input pin cc other inputs at or GND Additional
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PHILIPS 74ABT16646 74ABTH16646 16 bit bus transceiver/register (3 State) handbook