型号 功能描述 生产厂家 企业 LOGO 操作

LOW POWER SCHOTTKY

Quad 2-Input Multiplexer with 3-State Outputs The LSTTL/MSI SN74LS257B and the SN74LS258B 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)

ONSEMI

安森美半导体

3-STATE Quad 2-Data Selectors/Multiplexers

General Description These Schottky-clamped high-performance multiplexers feature 3-STATE outputs that can interface directly with data lines of bus-organized systems. With all but one of the common outputs disabled (at a high impedance state), the low impedance of the single enabled output will d

Fairchild

仙童半导体

Quadruple 2-line-to-1-line Data Selectors/Multiplexers(with non inverted 3-state outputs)

HitachiHitachi Semiconductor

日立日立公司

TRI-STATE Quad 2-Data Selectors/Multiplexers

文件:163.7 Kbytes Page:8 Pages

NSC

国半

QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS

文件:661.04 Kbytes Page:16 Pages

TI

德州仪器

SN74LS257BM产品属性

  • 类型

    描述

  • 型号

    SN74LS257BM

  • 制造商

    Rochester Electronics LLC

  • 功能描述

    - Bulk

更新时间:2025-12-29 9:49:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HIT
25+23+
DIP
30403
绝对原装正品全新进口深圳现货
FSC
02+
DIP16
12
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TI
24+
DIP16
30000
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FUJ
24+
DIP
78
只做原装正品现货 欢迎来电查询15919825718
N/A
25+
SOP16
54648
百分百原装现货 实单必成 欢迎询价
TI
2021+
DIP16
7600
原装现货,欢迎询价
M
24+
SOP16
20000
全新原厂原装,进口正品现货,正规渠道可含税!!
Signetics
25+
28
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HARRIS/哈里斯
23+
SOP16
3000
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FSC
24+
DIP16
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增

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