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74LS257 Datasheet Tri-state Quad 2-data Selectors/multiplexers

Manufacturer: National Semiconductor (now Texas Instruments)

Overview: 54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers June 1989 54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors.

General Description

These Schottky-clamped high-performance multiplexers

Key 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 35 mW Alternate military aerospace devices (54LS257A 54LS258A) are available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagrams Dual-In-Line Package Dual-.

Similar Datasheet

Brand Logo Part Number Description Manufacturer
ON Semiconductor Logo 74LS257 LOW POWER SCHOTTKY ON Semiconductor
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Hitachi Semiconductor Logo 74LS257 Quadruple 2-line-to-1-line Data Selectors/Multiplexers Hitachi Semiconductor
Fairchild Semiconductor Logo 74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers Fairchild Semiconductor
Motorola Logo 74LS257B QUAD 2-INPUT MULTIPLEXER Motorola

More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
74LS257B Quad 2-Data Selectors/Multiplexers
74LS256 Dual 4-Bit Addressable Latch
74LS258B Quad 2-Data Selectors/Multiplexers
74LS20 Dual 4-Input NAND Gates
74LS240 Octal TRI-STATE Buffers/Line Drivers/Line Receivers
74LS241 Octal TRI-STATE Buffers/Line Drivers/Line Receivers
74LS245 TRI-STATE Octal Bus Transceiver
74LS273 8-Bit Register
74LS279 Quad S-R Latches
74LS283 4-Bit Binary Adders

74LS257 Distributor