54LS257A-NationalSemiconductor.pdf
Datasheet Details
Part number:
54LS258A, 54LS257A
Manufacturer:
National Semiconductor
File Size:
360.47 KB
Description:
Tri-state quad 2-data selectors/multiplexers.
Note:
This datasheet PDF includes multiple part numbers: 54LS258A, 54LS257A.
Please refer to the document for exact specifications by model.
54LS258A, 54LS257A, TRI-STATE Quad 2-Data Selectors/Multiplexers
54LS258A 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
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