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SNJ54ALS251FKTIN/a5avai1-Of-8 Data Selectors/Multiplexers With 3-State Outputs
SNJ54ALS251JTIN/a200avai1-Of-8 Data Selectors/Multiplexers With 3-State Outputs
SN54ALS251JTIN/a50avai1-Of-8 Data Selectors/Multiplexers With 3-State Outputs


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SN54ALS251J-SNJ54ALS251FK-SNJ54ALS251J
1-Of-8 Data Selectors/Multiplexers With 3-State Outputs
Complementary Outputs Provide True andInverted Data Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs

description

These data selectors/multiplexers contain full
binary decoding to select one-of-eight data
sources and feature controlled complementary
3-state outputs.
The 3-state outputs can interface with and drive
data lines of bus-organized systems. With all but
one of the common outputs disabled (at the
high-impedance state), the low impedance of the
signal-enabled output drives the bus line to a high
or low logic level. Both outputs are controlled by
the output-enable (OE) input. The outputs are
disabled when OE is high.
The SN54ALS251 is characterized for operation
over the full military temperature range of −55°C
to 125°C. The SN74ALS251 is characterized for
operation from 0°C to 70°C.
FUNCTION TABLE

D0, D1,... D7 = the level of the respective D input
SN54ALS251... FK PACKAGE
(TOP VIEW)
D3NC
GND
NC − No internal connection
GND
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