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74LS257B Datasheet 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.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

These Schottky-clamped high-performance multiplexers

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

Similar Datasheet

Brand Logo Part Number Description Manufacturer
Fairchild Semiconductor Logo 74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers Fairchild Semiconductor
Motorola Logo 74LS257B QUAD 2-INPUT MULTIPLEXER Motorola
Texas Instruments Logo 74LS257B QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS Texas Instruments
ON Semiconductor Logo 74LS257 LOW POWER SCHOTTKY ON Semiconductor
Fairchild Semiconductor Logo 74LS257 3-STATE Quad 2-Data Selectors/Multiplexers Fairchild Semiconductor

More Datasheets from National Semiconductor (now Texas Instruments)

Part Number Description
74LS257 TRI-STATE 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

74LS257B Distributor