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型号 功能描述 生产厂家 企业 LOGO 操作
DM74LS257B

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

DM74LS257B

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

文件:413.55 Kbytes Page:10 Pages

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

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

TRI-STATE Quad 2-Data Selectors/Multiplexers

文件:163.7 Kbytes Page:8 Pages

NSC

国半

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

DM74LS257B产品属性

  • 类型

    描述

  • 电路:

    4 x 2:1

  • 独立电路:

    1

  • 电流 - 输出高,低:

    2.6mA,24mA

  • 电压源:

    单电源

  • 电压 - 电源:

    4.75 V ~ 5.25 V

  • 工作温度:

    0°C ~ 70°C

  • 安装类型:

    通孔

  • 封装/外壳:

    16-DIP(0.300\,7.62mm)

  • 供应商器件封装:

    16-PDIP

更新时间:2026-5-15 15:16:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
FAIRCHILD/仙童
24+
DIP16
9600
原装现货,优势供应,支持实单!
onsemi(安森美)
25+
-
22360
样件支持,可原厂排单订货!
onsemi(安森美)
25+
-
22412
正规渠道,免费送样。支持账期,BOM一站式配齐
NS
22+
DIP-16
8000
原装正品支持实单
DM74LS257BN
25+
1301
1301
FSC
1728+
DIP
7500
只做原装进口,假一罚十
NS/国半
25+
NA
880000
明嘉莱只做原装正品现货
ON Semiconductor
23+
16-DIP
7300
专注配单,只做原装进口现货
FSC
25+
DIP
8000
只有原装
FAIRCHILD/仙童
1021+
DIP16
820
一级代理,专注军工、汽车、医疗、工业、新能源、电力

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