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DM74S253

Fairchild Semiconductor
Part Number DM74S253
Manufacturer Fairchild Semiconductor
Description Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer
Published Jan 11, 2006
Detailed Description DM74S253 Dual 3-STATE 1-of-4 Line Data Selector/Multiplexer August 1986 Revised May 2000 DM74S253 Dual 3-STATE 1-of-4 ...
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DM74S253
DM74S253

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 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.
With all but one of the common outputs disabled (at a high impedance state), the low impedance of the single enable output will drive the bus line to a HIGH or LOW logic level.
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 From select to out...


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