See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

D | 16

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

SN74HC251DR


Data Selectors/Multiplexers With 3-State Outputs

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Texas Instruments SN74HC251DR

These data selectors/multiplexers contain full binary decoding to select 1-of-8 data sources and feature strobe-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 (in the high-impedance state), the low impedance of the single 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.

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