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型号 功能描述 生产厂家 企业 LOGO 操作
74AC257B

QUAD 2 CHANNEL MULTIPLEXER 3-STATE

DESCRIPTION The AC257 is an advanced high-speed CMOS QUAD 2 CHANNEL MULTIPLEXER (3-STATE) fabricated with sub-micron silicon gate and double-layer metal wiring C2MOS technology. It is ideal for low power applications mantaining high speed operation similar to equivalent Bipolar Schottky TTL. ■ H

STMICROELECTRONICS

意法半导体

Quad 2?묲nput Multiplexer with 3?뭆tate Outputs

Quad 2−Input Multiplexer with 3−State Outputs The MC74AC257/74ACT257 is a quad 2−input multiplexer 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 (noninverted) form. The outputs may be

ONSEMI

安森美半导体

Quad 2?묲nput Multiplexer with 3?뭆tate Outputs

Quad 2−Input Multiplexer with 3−State Outputs The MC74AC257/74ACT257 is a quad 2−input multiplexer 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 (noninverted) form. The outputs may be

ONSEMI

安森美半导体

Quad 2?묲nput Multiplexer with 3?뭆tate Outputs

Quad 2−Input Multiplexer with 3−State Outputs The MC74AC257/74ACT257 is a quad 2−input multiplexer 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 (noninverted) form. The outputs may be

ONSEMI

安森美半导体

Quad 2?묲nput Multiplexer with 3?뭆tate Outputs

Quad 2−Input Multiplexer with 3−State Outputs The MC74AC257/74ACT257 is a quad 2−input multiplexer 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 (noninverted) form. The outputs may be

ONSEMI

安森美半导体

Quad 2?묲nput Multiplexer with 3?뭆tate Outputs

Quad 2−Input Multiplexer with 3−State Outputs The MC74AC257/74ACT257 is a quad 2−input multiplexer 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 (noninverted) form. The outputs may be

ONSEMI

安森美半导体

74AC257B产品属性

  • 类型

    描述

  • 型号

    74AC257B

  • 功能描述

    编码器、解码器、复用器和解复用器 Quad 2-Ch Multiplexr

  • RoHS

  • 制造商

    Micrel

  • 产品

    Multiplexers

  • 逻辑系列

    CMOS

  • 线路数量(输入/输出)

    2/12

  • 传播延迟时间

    350 ps, 400 ps

  • 电源电压-最大

    2.625 V, 3.6 V

  • 电源电压-最小

    2.375 V, 3 V

  • 最大工作温度

    + 85 C

  • 安装风格

    SMD/SMT

  • 封装/箱体

    QFN-44

  • 封装

    Tray

更新时间:2026-5-20 19:05:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ON
10+
SOT223
333
一级代理,专注军工、汽车、医疗、工业、新能源、电力
TI/德州仪器
25+
TSSOP20
20000
原装
TI
24+
SMD
20000
一级代理原装现货假一罚十
ON
23+
SOT223
333
正规渠道,只有原装!
TI/德州仪器
2450+
SOP
9850
只做原厂原装正品现货或订货假一赔十!
TI/德州仪器
23+
TSOP
5000
原厂授权代理,海外优势订货渠道。可提供大量库存,详
NSC
23+
SMD-SSOP20
9856
原装正品,假一罚百!
TI
25+
TSSOP20
66
百分百原装正品 真实公司现货库存 本公司只做原装 可
NSC
26+
SO-8
9823
代理全系列销售,全新原装正品,价格优势,长期供应,量大可订
TI/德州仪器
22+
SSOP
12245
现货,原厂原装假一罚十!

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