See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

DB | 16

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

SN74HC253DBR


Dual 4-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

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Texas Instruments SN74HC253DBR

Each 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.

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