See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

NS | 16

Temp:

C (0 to 70)

ECO Plan:

Green (RoHS & no Sb/Br)

SN74LS257BNSR


Quadruple 2-Line To 1-Line Data Selectors/Multiplexers With 3-State Outputs

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Texas Instruments SN74LS257BNSR

These devices are designed to multiplex signals from four-bit data sources to four-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output control pin (G\) is at a high-logic level.

Series 54LS and 54S are characterized for operation over the full military temperature range of -55°C to 125°C; Series 74LS and 74S are characterized for operation from 0°C to 70°C.

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