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54LS257 数据手册 ( 数据表 ) - Motorola => Freescale

零件编号产品描述(功能)生產廠家
54LS257 QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS Motorola
Motorola => Freescale Motorola
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54LS257 Datasheet PDF : 54LS257 pdf   
SN74LS257N image

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

TheLSTTL/MSI SN54/74LS257B and the SN54/74LS258B are Quad 2-InputMultiplexers with 3-state outputs. Four bits of data from twosources canbe selected using a Common Data Select input. The four outputs present the selected data in true (non-inverted) form. The outputs may be switched to ahigh impedance state with a HIGH on the common Output Enable (EO) In put,allowing the outputs to interface directly with bus oriented systems. It is fabricatedwith the Schottky barrier diode process for high speedand is completely compatible with all Motorola TTL families.

• Schottky Process For High Speed
• Multiplexer Expansion By Tying Outputs Together
• Non-Inverting 3-State Outputs
• Input Clamp Diodes Limit High Speed Termination Effects
• Special Circuitry Ensures Glitch Free Multiplexing
• ESD > 3500 Volts

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54LS257 有关数据资料列表

零件编号产品描述(功能)PDF生產廠家
HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs HC257 View System Logic Semiconductor
54ACT258DMQB Quad 2-Input Multiplexer With 3-State Outputs 54ACT258DMQB View National ->Texas Instruments
IN74ACT257 QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS IN74ACT257 View Integral Corp.
IN74HC257A Quad 2-Input Data Selector/Multiplexer with 3-State Outputs IN74HC257A View IK Semicon Co., Ltd
SN74LS257BML1 Quad 2-Input Multiplexer with 3-State Outputs SN74LS257BML1 View ON Semiconductor
IN74ACT258 QUAD 2-INPUT DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS IN74ACT258 View Integral Corp.
IN74HC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs IN74HC257 View Integral Corp.
IN74AC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs IN74AC257 View Integral Corp.
IN74HC258A Quad 2-Input Data Selectors/Multiplexer with 3-State Outputs IN74HC258A View IK Semicon Co., Ltd
MC74AC257DG Quad 2-Input Multiplexer with 3-State Outputs MC74AC257DG View ON Semiconductor

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