型号 功能描述 生产厂家 企业 LOGO 操作
HD74LS257P

Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs)

This multiplexer features three-state outputs that can interface directly with and drive 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 drive the bus line to a high or low logic le

RENESAS

瑞萨

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

替换型号 功能描述 生产厂家 企业 LOGO 操作

LOW POWER SCHOTTKY

ONSEMI

安森美半导体

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

TI

德州仪器

3-STATE Quad 2-Data Selectors/Multiplexers

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

NSC

国半

3-STATE Quad 2-Data Selectors/Multiplexers

FAIRCHILD

仙童半导体

TRI-STATE Quad 2-Data Selectors/Multiplexers

NSC

国半

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

HITACHIHitachi Semiconductor

日立日立公司

Ouadruple 2-input Positive NAND Gates

HITACHIHitachi Semiconductor

日立日立公司

Quadruple 2-line-to-1-line Data Selectors / Multiplexers (with not inverted 3-state outputs)

RENESAS

瑞萨

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

TI

德州仪器

LOW POWER SCHOTTKY

ONSEMI

安森美半导体

LOW POWER SCHOTTKY

ONSEMI

安森美半导体

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

TI

德州仪器

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

TI

德州仪器

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

MOTOROLA

摩托罗拉

HD74LS257P产品属性

  • 类型

    描述

  • 型号

    HD74LS257P

  • 制造商

    HITACHI

  • 制造商

    Mitsubishi Electric

更新时间:2026-1-28 11:46:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HITACHI
2023+
DIP16
3000
进口原装现货
Renesas
21+
标准封装
267
进口原装,订货渠道!
HITACHI
04+
DIP
15
原装
HITACHI
2450+
DIP
8850
只做原装正品假一赔十为客户做到零风险!!
HITACHI/日立
23+
DIP16
8000
只做原装现货
HIT
23+
DIP
62657
##公司主营品牌长期供应100%原装现货可含税提供技术
HITACHI/日立
23+
DIP
50000
全新原装正品现货,支持订货
HIT
NA
8560
一级代理 原装正品假一罚十价格优势长期供货
24+
DIP
18
HITACHI
23+
NA
1286
专做原装正品,假一罚百!

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