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74F641

Philips
Part Number 74F641
Manufacturer Philips
Description Transceivers
Published May 28, 2005
Detailed Description INTEGRATED CIRCUITS 74F641/74F642* Transceivers * Discontinued part. Please see the Discontinued Product List. Product...
Datasheet PDF File 74F641 PDF File

74F641
74F641

Overview
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 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 • High-impedance NPN base inputs for reduced loading (20µA in High and Low states) ORDERING INFORMATION DESCRIPTION 20-pin plastic DIP 20-pin plastic SOL COMMERCIAL RANGE VCC = 5V ±10%, Tamb = 0°C to +70°C N74F641N N74F641D PKG DWG # SOT146-1 SOT163-1 • Octal bidirectional bus interface • Common Output Enable for both Transmit and Receive modes • Open collector outputs sink 64mA • —74F641, non-inverting —74F642, inverting TYPE 74F641 74F642 TYPICAL PROPAGATION DELAY 8.
0ns 8.
5ns TYPICAL SUPPLY CURRENT (TOTAL) 69mA 52mA INPUT AND OUTPUT LOADING AND FAN-OUT TABLE PINS A0 - A7, B0 - B7 T/R OE A0 - A7 B0 - B7 Data inputs Transmit/Receive input Output Enable inputs Data outputs Data outputs DESCRIPTION 74F(U.
L.
) HIGH/LOW 1.
0/0.
033 2.
0/0.
067 2.
0/0.
067 OC/40 OC/106.
7 LOAD VALUE HIGH/LOW 20µA/20µA 40µA/40µA 40µA/40µA OC/24mA 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 A0 A1 A2 A3 A4 A5 A6 A7 2 3 4 5 6 7 8 9 20 VCC 19 OE 18 B0 17 B1 16 B2 15 B3 14 B4 13 B5 12 B6 11 B7 PIN CONFIGURATION – 74F642 T/R 1 A0 A1 A2 A3 A4 A5 A6 A7 2 3 4 5 6 7 8 9 20 VCC 19 OE 18 B0 17 B1 16 B2 15 B3 14 B4 13 B5 12 B6 11 B7 GND 10 GND 10 SF00198 SF00198 * Discontinued part.
Please see the Discontinued Products List.
1999 Jan 08 2 853–0382 20616 Philips Semiconductors Product specification Transceivers 74F641/74F642* LOGIC SYMBOL – 74F641 2 3 4 5 6 7 8 9 LOGIC SYMBOL – 74F642 2 3 4 5 6 7 8 9 A0 ...


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