型号 功能描述 生产厂家 企业 LOGO 操作
M74HC191

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

DESCRIPTION The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

DESCRIPTION The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

DESCRIPTION The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

DESCRIPTION The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

DESCRIPTION The M54/74HC190/191 are high speed CMOS4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology. ■ HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V ■ LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C ■ HIGH NOISE IMMUNITY VNIH = VNIL = 28

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

文件:566.81 Kbytes Page:14 Pages

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

文件:566.81 Kbytes Page:14 Pages

STMICROELECTRONICS

意法半导体

封装/外壳:16-DIP(0.300",7.62mm) 包装:管件 描述:IC COUNTER UP/DN 4BIT SYNC 16DIP 集成电路(IC) 计数器,除法器

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

文件:566.81 Kbytes Page:14 Pages

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

文件:566.81 Kbytes Page:14 Pages

STMICROELECTRONICS

意法半导体

4 BIT SYNCHRONOUS UP/DOWN COUNTERS

文件:566.81 Kbytes Page:14 Pages

STMICROELECTRONICS

意法半导体

Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

Philips

飞利浦

Presettable synchronous 4-bit binary up/down counter

1. General description The 74HC191 is an asynchronously presettable 4-bit binary up/down counter. It contains four master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operation. Asynchronous parallel load capabil

NEXPERIA

安世

Presettable synchronous 4-bit binary up/down counter

1. General description The 74HC191 is an asynchronously presettable 4-bit binary up/down counter. It contains four master/slave flip-flops with internal gating and steering logic to provide asynchronous preset and synchronous count-up and count-down operation. Asynchronous parallel load capabil

NEXPERIA

安世

Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

Philips

飞利浦

Presettable synchronous 4-bit binary up/down counter

GENERAL DESCRIPTION The 74HC/HCT191 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT191 are asynchronously presettable 4-bit binary up/down counters. They contain four master/

Philips

飞利浦

M74HC191产品属性

  • 类型

    描述

  • 型号

    M74HC191

  • 制造商

    STMICROELECTRONICS

  • 制造商全称

    STMicroelectronics

  • 功能描述

    4 BIT SYNCHRONOUS UP/DOWN COUNTERS

更新时间:2025-10-27 23:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
ST/意法
24+
NA/
225
优势代理渠道,原装正品,可全系列订货开增值税票
ST
23+
NA
20000
全新原装假一赔十
STM
24+/25+
DIP-16
5800
原装正品现货库存价优
ST
23+
DIP16
6000
原装正品假一罚百!可开增票!
ST
22+
PDIP
12245
现货,原厂原装假一罚十!
ST/意法
24+
DIP-16
5800
只做原装,欢迎询价,量大价优
STMICROELECT
05+
原厂原装
5045
只做全新原装真实现货供应
24+
3000
公司现货
ST
25+
SO-16
3200
十年品牌!原装现货!!!
ST
NA
16355
一级代理 原装正品假一罚十价格优势长期供货

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