DM74LS257B, DM74LS257BNationalSemiconductor Datasheet - National Semiconductor

DM74LS257B, DM74LS257BNationalSemiconductor, TRI-STATE Quad 2-Data Selectors/Multiplexers

Obsolete 54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers June 1989 54LS257A DM54LS257B D.
These Schottky-clamped high-performance multiplexers feature TRI-STATE outputs that can interface directly with data lines of bus-organized systems Wi.

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DM74LS257BNationalSemiconductor.pdf

DM74LS257B Datasheet Preview — This datasheet PDF includes multiple part numbers: DM74LS257B, DM74LS257BNationalSemiconductor. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

DM74LS257B, DM74LS257BNationalSemiconductor

Manufacturer:

National Semiconductor

File Size:

360.47 KB

Description:

TRI-STATE Quad 2-Data Selectors/Multiplexers

Note:

This datasheet PDF includes multiple part numbers: DM74LS257B, DM74LS257BNationalSemiconductor.
Please refer to the document for exact specifications by model.

Features

* Y TRI-STATE versions LS157 and LS158 with same pinouts Y Schottky-clamped for significant improvement in A-C performance Y Provides bus interface from multiple sources in highperformance systems Y Average propagation delay from data input 12 ns Y Typical power dissipation LS257B 50 mW LS258B 35 mW Y

DM74LS257B Distributors

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DM74LS257BNationalSemiconductor TRI-STATE Quad 2-Data Selectors Multiplexers National Semiconductor

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