SNJ54HC253J ,Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputsmaximum ratings over operating free-air temperature range (unless otherwise noted)Supply voltage ra ..
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SNJ54HC273J ,Octal D-type Flip-Flops With ClearElectrical Characteristics – SN74HC273 612.1 Documentation Support.... 146.8 Timing Requirements... ..
SNJ54HC273W ,Octal D-type Flip-Flops With ClearFeatures...... 1• Changed R for DB package from 70°C/W : to 90.3°C/W 5θJA• Changed R for DW package ..
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SPX432AM , Ultra 1.24V Precision Adjustable Shunt Regulator
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SN54HC253J-SN54HC253J.-SNJ54HC253J
Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs
Low Power Consumption, 80-µA Max ICC Typical tpd = 9 ns ±6-mA Output Drive at 5 V
Low Input Current of 1 µA Max Permit Multiplexing From n Lines to OneLine Perform Parallel-to-Serial Conversion
description/ordering informationEach of these data selectors/multiplexers
contains inverters and drivers to supply full binary
decoding data selection to the AND-OR gates.
Separate output-control inputs are provided for
each of the two 4-line sections.
The 3-state outputs can interface with and drive
data lines of bus-organized systems. With all but
one of the common outputs disabled (in the
high-impedance state), the low impedance of the
single enabled output drives the bus line to a high
or low logic level. Each output has its own
output-enable (OE) input. The outputs are
disabled when their respective OE is high.
ORDERING INFORMATION†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
2C3
2C2
2C1
1C3
1C2
1C1
1C0
SN54HC253... FK PACKAGE
(TOP VIEW)1OENC
2C0
2OE
GND
1C3
1C2
1C1
1C0
GND
2C3
2C2
2C1
2C0
NC − No internal connection
