SN74LS257D

更新时间： 2024-11-08 23:06:19

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
页数	文件大小	规格书
6页	185K
描述
QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

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中文翻译

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数据手册

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SN74LS257D 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

中文翻译

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与SN74LS257D相关器件

型号	品牌	获取价格	描述	数据表
SN74LS257N	MOTOROLA	获取价格	QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS
SN74LS257N	TI	获取价格	IC,LOGIC MUX,QUAD,2-INPUT,LS-TTL,DIP,16PIN,PLASTIC
SN74LS257N1	ROCHESTER	获取价格	Multiplexer
SN74LS257N3	TI	获取价格	IC,LOGIC MUX,QUAD,2-INPUT,LS-TTL,DIP,16PIN,PLASTIC
SN74LS257NP1	ROCHESTER	获取价格	Multiplexer
SN74LS258AD	ETC	获取价格	2-Input Digital Multiplexer
SN74LS258ADR2	MOTOROLA	获取价格	Multiplexer, 4-Func, 2 Line Input, TTL, PDSO16
SN74LS258AJ	MOTOROLA	获取价格	Multiplexer, 4-Func, 2 Line Input, TTL, CDIP16
SN74LS258AJ-00	TI	获取价格	LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, CDIP16
SN74LS258AJD	MOTOROLA	获取价格	LS SERIES, QUAD 2 LINE TO 1 LINE MULTIPLEXER, INVERTED OUTPUT, CDIP16, CERAMIC, DIP-16