Datasheet Details
Part number:
74LS257
Manufacturer:
National Semiconductor
File Size:
163.71 KB
Description:
Tri-state quad 2-data selectors/multiplexers.
74LS257_NationalSemiconductor.pdf
74LS257_NationalSemiconductor.pdf
Datasheet Details
Part number:
74LS257
Manufacturer:
National Semiconductor
File Size:
163.71 KB
Description:
Tri-state quad 2-data selectors/multiplexers.
74LS257, TRI-STATE Quad 2-Data Selectors/Multiplexers
74LS257 Features
* Y Y Y Y Y Y TRI-STATE versions LS157 and LS158 with same pinouts Schottky-clamped for significant improvement in A-C performance Provides bus interface from multiple sources in highperformance systems Average propagation delay from data input 12 ns Typical power dissipation LS257B 50 mW LS258B 3
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