SN74LS257AND

更新时间： 2024-11-19 13:13:51

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		复用器逻辑集成电路光电二极管输出元件输入元件
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6页	185K
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数据手册

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SN74LS257AND 数据手册

SN54/74LS257B

SN54/74LS258B

QUAD 2-INPUT MULTIPLEXER

WITH 3-STATE OUTPUTS

The LSTTL/MSI SN54/74LS257B and the SN54/74LS258B are Quad

2-Input Multiplexers with 3-state outputs. Four bits of data from two sources

can be 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

QUAD 2-INPUT MULTIPLEXER

WITH 3-STATE OUTPUTS

a high impedance state with a HIGH on the common Output Enable (E ) In-

LOW POWER SCHOTTKY

put, allowing the outputs to interface directly with bus oriented systems. It is

fabricated with the Schottky barrier diode process for high speed and is com-

pletely 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

J SUFFIX

CERAMIC

CASE 620-09

N SUFFIX

PLASTIC

CONNECTION DIAGRAM DIP (TOP VIEW)

CASE 648-08

D SUFFIX

SOIC

CASE 751B-03

SN54/74LS257B

ORDERING INFORMATION

SN54LSXXXJ

Ceramic

SN74LSXXXN Plastic

SN74LSXXXD SOIC

NOTE:

The Flatpak version

has the same pinouts

SN54/74LS258B

(Connection Diagram) as

the Dual In-Line Package.

FAST AND LS TTL DATA

5-427

12 3 4 5 6

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与SN74LS257AND相关器件

型号	品牌	获取价格	描述	数据表
SN74LS257ANDS	MOTOROLA	获取价格	LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16, PLASTIC, DIP-16
SN74LS257ANS	MOTOROLA	获取价格	Multiplexer, LS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDIP16, PLA
SN74LS257B	ONSEMI	获取价格	LOW POWER SCHOTTKY
SN74LS257B	TI	获取价格	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74LS257BD	ROCHESTER	获取价格	Multiplexer, LS Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, PDSO16, PLA
SN74LS257BD	TI	获取价格	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74LS257BD	ONSEMI	获取价格	LOW POWER SCHOTTKY
SN74LS257BDE4	TI	获取价格	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74LS257BDG4	TI	获取价格	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
SN74LS257BDR	TI	获取价格	QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS