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型号 功能描述 生产厂家 企业 LOGO 操作

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54/74LS190 is a synchronous UP/DOWN BCD Decade (8421) Counter and the SN54/74LS191 is a synchronous UP/DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH transit

MOTOROLA

摩托罗拉

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54/74LS190 is a synchronous UP/DOWN BCD Decade (8421) Counter and the SN54/74LS191 is a synchronous UP/DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH transit

MOTOROLA

摩托罗拉

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件:512.63 Kbytes Page:14 Pages

TI

德州仪器

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件:512.63 Kbytes Page:14 Pages

TI

德州仪器

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件:512.63 Kbytes Page:14 Pages

TI

德州仪器

替换型号 功能描述 生产厂家 企业 LOGO 操作

Synchronous 4-Bit Up/Down Counter with Mode Control

FAIRCHILD

仙童半导体

Synchronous 4-Bit Up/Down Counters with Mode Control

NSC

国半

Ouadruple 2-input Positive NAND Gates

HITACHIHitachi Semiconductor

日立日立公司

Synchronous Up / Down 4-bit Binary Counter (single clock line)

RENESAS

瑞萨

Synchronous Up/Down 4-bit Binary Counters(single clock line)

HITACHIHitachi Semiconductor

日立日立公司

Synchronous Up / Down 4-bit Binary Counter (single clock line)

RENESAS

瑞萨

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

TI

德州仪器

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

MOTOROLA

摩托罗拉

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

TI

德州仪器

74LS191PC产品属性

  • 类型

    描述

  • 型号

    74LS191PC

  • 制造商

    FAIR

  • 功能描述

    Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP

  • 制造商

    Freescale Semiconductor

  • 功能描述

    Counter, Up/Down, 4 Bit Binary, 16 Pin, Plastic, DIP

  • 制造商

    Texas Instruments

更新时间:2026-3-17 18:07:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI/德州仪器
24+
SOIC-16_150mil
6000
全新原装深圳仓库现货有单必成
TI/德州仪器
24+
SOP16
8708
只供应原装正品 欢迎询价
TI/德州仪器
23+
SOIC-16_150mil
12700
买原装认准中赛美
TI/德州仪器
25+
SOIC-16_150mil
4987
强势库存!绝对原装公司现货!
TI/德州仪器
2223+
SOP16
26800
只做原装正品假一赔十为客户做到零风险
TI/德州仪器
25+
SOP
25000
代理原装现货,假一赔十
TI
2016+
SOP16
2325
只做原装,假一罚十,公司可开17%增值税发票!
TI
25+
SOIC14
4500
全新原装、诚信经营、公司现货销售!
Texas Instruments
24+25+
16500
全新原厂原装现货!受权代理!可送样可提供技术支持!
Texas Instruments
23+
16-SOIC
5000
只做原装,假一赔十

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