3-STATE 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 enabled output will drive the bus
line to a HIGH or LOW logic level.
Features
3-STATE version of DM74LS153 with same pinout
Schottky-diode-clamped transistors
Permit multiplexing from N-lines to one line
Performs parallel-to-serial conversion
Strobe/output control
High fanout totem-pole outputs
Typical propagation delay
Data to output 12 ns
Select to output 21 ns
Typical power dissipation 35 mW
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