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型号 功能描述 生产厂家 企业 LOGO 操作
DM74LS257

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

DM74LS257

TRI-STATE Quad 2-Data Selectors/Multiplexers

文件:163.7 Kbytes Page:8 Pages

NSC

国半

DM74LS257

TRI-STATE Quad 2-Data Selectors/Multiplexers

TI

德州仪器

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

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

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

TRI-STATE(RM) Quad 2-Data Selectors/Multiplexers

文件:413.55 Kbytes Page:10 Pages

TI

德州仪器

TRI-STATE Quad 2-Data Selectors/Multiplexers

文件:163.7 Kbytes Page:8 Pages

NSC

国半

TRI-STATE Quad 2-Data Selectors/Multiplexers

文件:163.7 Kbytes Page:8 Pages

NSC

国半

封装/外壳:16-DIP(0.300",7.62mm) 包装:管件 描述:IC MULTIPLEXER 4 X 2:1 16DIP 集成电路(IC) 信号开关,多路复用器,解码器

ONSEMI

安森美半导体

IC SELECTOR/MUX QUAD 2INP 16-DIP

ONSEMI

安森美半导体

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

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

MOTOROLA

摩托罗拉

QUAD 2-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS

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

MOTOROLA

摩托罗拉

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

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(with non inverted 3-state outputs)

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

DM74LS257产品属性

  • 类型

    描述

  • 型号

    DM74LS257

  • 功能描述

    编码器、解码器、复用器和解复用器 3-STATE Data Sel/Mul

  • 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:2026-3-17 17:44:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NAT
24+/25+
71
原装正品现货库存价优
DM74LS257N
25+
14
14
NAT
2015+
SOP
19889
一级代理原装现货,特价热卖!
NS
22+
DIP-16
5000
只做原装鄙视假货15118075546
FSC
24+
DIP
5000
全新原装正品,现货销售
NSC
23+
原装原封
8888
专做原装正品,假一罚百!
NS/国半
25+
NA
880000
明嘉莱只做原装正品现货
原厂
25+
2500
百分百原装正品 真实公司现货库存 本公司只做原装 可
FAIRCHILD
24+
DIP
5000
仙童授权代理原装进口现货
NS
22+
DIP-16
8000
原装正品支持实单

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