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74S253 Datasheet Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer

Manufacturer: Fairchild (now onsemi)

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General Description

Each of these Schottky-clamped data selectors/multiplexers contains inverters and drivers to supply fully complementary, on-chip, binary decoding data selection to the AND-OR gates.

Separate output control inputs are provided for each of the two four-line sections.

The 3-STATE outputs can interface directly with data lines of bus-organized systems.

Overview

DM74S253 Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer August 1986 Revised May 2000 DM74S253 Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer.

Key Features

  • s 3-STATE version of S153 with same pin-out s Schottky-diode-clamped transistors s Permits multiplexing from N lines to 1 line s Performs parallel-T-serial conversion s Strobe/output control s High fan-out totem-pole outputs s Typical propagation delay From data to output 6 ns From select to output 12 ns s Typical power dissipation 275 mW Ordering Code: Order Number Package Number Package.

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