INTEGRATED CIRCUITS 74F641/74F642* Transceivers * Discontinued part. Please see the Discontinued Product List. Product specification Supersedes data of 1989 Nov 27 IC15 Data Handbook 1999 Jan 08 Philips Semiconductors Product specification Transceivers 74F641/74F642* 74F641 Octal Bus Transceiver with Common Output Enable, Non-Inverting (Open Collector) 74F642 Octal Bus Transceiver with Common Output Enable, Inverting (Open Collector) FEATURES ORDERING INFORMATION • High-impedance NPN base inputs for reduced loading (20µA in High and Low states) • Octal bidirectional bus interface • Common Output Enable for both Transmit and Receive modes • Open collector outputs sink 64mA • —74F641, non-inverting —74F642, inverting DESCRIPTION COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C PKG DWG # 20-pin plastic DIP N74F641N SOT146-1 20-pin plastic SOL N74F641D SOT163-1 TYPE TYPICAL PROPAGATION DELAY TYPICAL SUPPLY CURRENT (TOTAL) 74F641 8.0ns 69mA 74F642 8.5ns 52mA INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS DESCRIPTION 74F(U.L.) HIGH/LOW LOAD VALUE HIGH/LOW A0 - A7, B0 - B7 Data inputs 1.0/0.033 20µA/20µA T/R Transmit/Receive input 2.0/0.067 40µA/40µA OE Output Enable inputs 2.0/0.067 40µA/40µA A0 - A7 Data outputs OC/40 OC/24mA B0 - B7 Data outputs OC/106.7 OC/64mA NOTE: One (1.0) FAST unit load is defined as: 20µA in the High state and 0.6mA in the Low state. OC = Open Collector. PIN CONFIGURATION – 74F641 T/R 1 PIN CONFIGURATION – 74F642 20 VCC T/R 1 20 VCC A0 2 19 OE A0 2 19 OE A1 3 18 B0 A1 3 18 B0 A2 4 17 B1 A2 4 17 B1 A3 5 16 B2 A3 5 16 B2 A4 6 15 B3 A4 6 15 B3 A5 7 14 B4 A5 7 14 B4 A6 8 13 B5 A6 8 13 B5 A7 9 12 B6 A7 9 12 B6 GND 10 11 B7 GND 10 SF00198 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 11 B7 SF00198 2 853–0382 20616 Philips Semiconductors Product specification Transceivers 74F641/74F642* LOGIC SYMBOL – 74F641 2 A0 LOGIC SYMBOL – 74F642 3 4 5 6 7 8 A1 A2 A3 A4 A5 A6 9 2 A7 A0 1 T/R 1 T/R 19 OE 19 OE B0 18 B1 B2 B3 B4 B5 B6 B7 17 16 15 14 13 12 11 VCC = Pin 20 GND = Pin 10 B0 18 LOGIC SYMBOL (IEEE/IEC) – 74F641 19 5 6 7 8 9 18 1 A1 A2 A3 A4 A5 A6 B1 17 9 A7 B2 B3 B4 B5 B6 B7 16 15 14 13 12 11 3EN2 2 18 1 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 SF01147 17 16 15 14 13 12 11 SF01148 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 8 3EN1 2 4 7 G3 1 3EN2 3 6 SF01146 3EN1 2 5 LOGIC SYMBOL (IEEE/IEC) – 74F642 G3 1 4 VCC = Pin 20 GND = Pin 10 SF01154 19 3 3 Philips Semiconductors Product specification Transceivers 74F641/74F642* LOGIC DIAGRAM – 74F641 T/R LOGIC DIAGRAM – 74F642 T/R 1 OE 19 OE 19 A0 2 18 3 17 4 16 A3 5 15 A4 6 14 A5 7 13 A6 8 12 9 11 A1 A2 A7 VCC = GND = 1 A0 2 18 3 17 4 16 A3 5 15 A4 6 14 A5 7 13 A6 8 12 9 11 B0 A1 B1 A2 B2 B3 B4 B5 B6 A7 B7 VCC = GND = Pin 20 Pin 10 B2 B3 B4 B5 B6 B7 SF01150 FUNCTION TABLE – 74F641 H = L = X = OFF= B1 Pin 20 Pin 10 SF01149 INPUTS B0 FUNCTION TABLE – 74F642 INPUTS/OUTPUTS INPUTS INPUTS/OUTPUTS OE T/R An Bn OE T/R An Bn L L A=B INPUTS L L A=B INPUTS H H INPUTS B=A H H INPUTS B=A H X OFF OFF H X OFF OFF High voltage level Low voltage level Don’t care High if pull-up resistor is connected to open collector output H = L = X = OFF= * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 4 High voltage level Low voltage level Don’t care High if pull-up resistor is connected to open collector output Philips Semiconductors Product specification Transceivers 74F641/74F642* ABSOLUTE MAXIMUM RATINGS (Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range.) SYMBOL PARAMETER RATING UNIT VCC Supply voltage –0.5 to +7.0 V VIN Input voltage –0.5 to +7.0 V IIN Input current –30 to +5 mA VOUT Voltage applied to output in High output state IOUT Current applied a lied to output out ut in Low output out ut state Tamb Operating free-air temperature range Tstg Storage temperature range –0.5 to +VCC V 48 mA A0–A7 B0–B7 128 mA 0 to +70 °C –65 to +150 °C RECOMMENDED OPERATING CONDITIONS SYMBOL LIMITS PARAMETER MIN NOM MAX 5.0 5.5 UNIT VCC Supply voltage 4.5 VIH High-level input voltage 2.0 V VIL Low-level input voltage 0.8 V IIK Input clamp current –18 mA IOH High-level output current 4.5 V IOL Low-level out output ut current A0–A7 24 mA B0–B7 64 mA Tamb Operating free-air temperature range 70 °C V 0 DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) LIMITS SYMBOL IOH TEST CONDITIONSNO TAG PARAMETER Low-level out output ut voltage B0–B7 VIK Input clamp voltage II Input current at maximum input voltage IIH IIL input Low-level in ut current 74F641 ICC VCC = MIN MIN, VIL = MAX MAX, VIH = MIN,, 0.50 V 0.50 V IOL = 48mA ±10%VCC 0.38 0.55 V IOL = 64mA ±5%VCC 0.42 0.55 V –0.73 –1.2 V 100 µA Supply y current (total) 74F642 VCC = 5.5V, VI = 5.5V An, Bn VCC = MAX, MAX VI = 2 2.7V 7V MAX VI = 0 5V VCC = MAX, 0.5V ICCH ICCL ICCH VCC = MAX ICCL µA 0.35 An, Bn T/R, OE 250 0.35 VCC = 0.0V, VI = 7.0V An, Bn UNIT ±5%VCC T/R, OE T/R, OE MAX ±10%VCC IOL = 24mA VCC = MIN, II = IIK High-level in input ut current TYP NO TAG VCC = MIN, VIL = MAX, VIH = MIN, VOH = MAX High-level output current A0–A7 VOL MIN 1 mA 40 µA 20 µA –40 µA –20 µA An=T/R=4.5, OE=GND 60 90 mA T/R=4.5V, An=OE=GND 78 120 mA An=T/R=OE=4.5V 37 55 mA An=T/R=4.5V, OE=GND 67 98 mA NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type. 2. All typical values are at VCC = 5V, Tamb = 25°C. * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 5 Philips Semiconductors Product specification Transceivers 74F641/74F642* AC ELECTRICAL CHARACTERISTICS – 74F641 LIMITS SYMBOL TEST CONDITION PARAMETER VCC = +5V ± 10% Tamb = 0°C to +70°C CL = 50pF, RL = 500Ω VCC = +5V Tamb = +25°C CL = 50pF, RL = 500Ω MIN TYP MAX MIN MAX UNIT tPLH tPHL Propagation delay An to Bn Waveform NO TAG 6.5 4.0 8.5 6.0 11.5 9.5 6.5 4.0 12.5 11.0 ns tPLH tPHL Propagation delay Bn to An Waveform NO TAG 6.0 3.5 8.0 5.5 11.5 7.5 6.0 3.5 12.0 8.0 ns tPLH tPHL Propagation delay OE to An Waveform 4 7.0 5.0 10.5 7.0 12.5 9.0 7.0 5.0 13.0 10.0 ns tPLH tPHL Propagation delay OE to Bn Waveform 4 8.0 3.5 9.0 7.5 12.5 9.5 8.0 5.5 13.5 10.5 ns AC ELECTRICAL CHARACTERISTICS – 74F642 LIMITS SYMBOL TEST CONDITION PARAMETER VCC = +5V ± 10% Tamb = 0°C to +70°C CL = 50pF, RL = 500Ω VCC = +5V Tamb = +25°C CL = 50pF, RL = 500Ω MIN TYP MAX MIN MAX UNIT tPLH tPHL Propagation delay An to Bn Waveform NO TAG 8.0 2.0 9.0 4.5 12.5 6.5 8.0 2.0 13.5 7.0 ns tPLH tPHL Propagation delay Bn to An Waveform NO TAG 7.5 1.5 8.0 4.0 12.0 6.0 7.5 1.5 12.5 6.5 ns tPLH tPHL Propagation delay OE to An Waveform NO TAG 7.5 6.0 9.0 8.0 12.0 10.5 7.5 6.0 12.5 11.0 ns tPLH tPHL Propagation delay OE to Bn Waveform NO TAG 8.0 6.0 9.0 7.0 12.5 10.5 8.0 6.0 13.0 11.0 ns AC WAVEFORMS For all waveforms, VM = 1.5V. An or Bn VM tPHL Bn or An An or Bn VM tPLH VM VM tPLH VM Bn or An SF01131 tPHL VM VM SF01132 Waveform 1. Propagation Delay for An to Bn or Bn to An (74F642) Waveform 2. Propagation Delay for An to Bn or Bn to An (74F641) * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 VM 6 Philips Semiconductors Product specification Transceivers 74F641/74F642* AC WAVEFORMS (Continued) For all waveforms, VM = 1.5V. OE VM OE VM tPHL tPLH VM An or Bn VM VM tPHL VM tPLH VM An or Bn VM SF01151 SF01151 Waveform 3. Propagation Delay for OE to An or Bn Outputs (74F642) (Bn or An Inputs in High State) Waveform 4. Propagation Delay for OE to An or Bn Outputs (74F641) (Bn or An Inputs in Low State) TEST CIRCUIT AND WAVEFORMS VCC 7.0V VIN RL VOUT PULSE GENERATOR tw 90% NEGATIVE PULSE VM CL AMP (V) VM 10% D.U.T. RT 90% 10% tTHL (tf ) tTLH (tr ) tTLH (tr ) tTHL (tf ) 0V RL AMP (V) 90% 90% Test Circuit for 3-State Outputs POSITIVE PULSE VM VM 10% TEST tPLZ tPZL All other SWITCH closed closed open DEFINITIONS: RL = Load resistor; see AC electrical characteristics for value. CL = Load capacitance includes jig and probe capacitance; see AC electrical characteristics for value. RT = Termination resistance should be equal to ZOUT of pulse generators. 10% tw SWITCH POSITION 0V Input Pulse Definition INPUT PULSE REQUIREMENTS family amplitude VM 74F 3.0V 1.5V rep. rate tw tTLH tTHL 1MHz 500ns 2.5ns 2.5ns SF00777 * Discontinued part. Please see the Discontinued Products List. 1999 Jan 08 7 Philips Semiconductors Product specification Transceivers 74F641/74F642* DIP20: plastic dual in-line package; 20 leads (300 mil) * Discontinued part. Please see the Discontinued Product List. 1999 Jan 08 8 SOT146-1 Philips Semiconductors Product specification Transceivers 74F641/74F642* SO20: plastic small outline package; 20 leads; body width 7.5 mm * Discontinued part. Please see the Discontinued Product List. 1999 Jan 08 9 SOT163-1 Philips Semiconductors Product specification Transceivers 74F641/74F642* Data sheet status Data sheet status Product status Definition [1] Objective specification Development This data sheet contains the design target or goal specifications for product development. Specification may change in any manner without notice. Preliminary specification Qualification This data sheet contains preliminary data, and supplementary data will be published at a later date. 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 specification Production This data sheet contains final specifications. Philips Semiconductors reserves the right to make 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 or 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 at any 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 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. Copyright Philips Electronics North America Corporation 1998 All rights reserved. Printed in U.S.A. Philips Semiconductors 811 East Arques Avenue P.O. Box 3409 Sunnyvale, California 94088–3409 Telephone 800-234-7381 print code Document order number: * Discontinued part. Please see the Discontinued Product List. yyyy mmm dd 10 Date of release: 10-98 9397-750-05149