Datasheet4U Logo Datasheet4U.com

74F641 Datasheet Transceivers

Manufacturer: Philips Semiconductors (now NXP Semiconductors)

📥 Download Datasheet

General 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.

Overview

INTEGRATED CIRCUITS 74F641/74F642* Transceivers * Discontinued part.

Please see the Discontinued Product List.

Key Features

  • High-impedance NPN base inputs for reduced loading (20µA in High and Low states).

More Datasheets from Philips Semiconductors (now NXP Semiconductors)

Part Number Description
74F64 4-2-3-2-input AND-OR-invert gate
74F640 Octal Bus Transceiver
74F642 Transceivers
74F646 Octal transceiver/register
74F646A Octal transceiver/register
74F647 Octal transceiver/register
74F648 Octal transceiver/register
74F648A Octal transceiver/register
74F649 Octal transceiver/register
74F604 Dual octal latch