型号 功能描述 生产厂家 企业 LOGO 操作

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

74HC191DB-T产品属性

  • 类型

    描述

  • 型号

    74HC191DB-T

  • 功能描述

    计数器 IC SYNC BIN U/D COUNTER

  • RoHS

  • 制造商

    NXP Semiconductors

  • 计数器类型

    Binary Counters

  • 逻辑系列

    74LV

  • 位数

    10

  • 工作电源电压

    1 V to 5.5 V

  • 工作温度范围

    - 40 C to + 125 C

  • 封装/箱体

    SOT-109

  • 封装

    Reel

更新时间:2025-11-23 15:40:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NEXPERIA/安世
25+
SOT109
860000
明嘉莱只做原装正品现货
恩XP
21+
TSSOP14
8080
只做原装,质量保证
PHSSEMICONDUCTOR
24+
NA
80000
只做自己库存 全新原装进口正品假一赔百 可开13%增
TOSHIBA
25+23+
SOP16
21522
绝对原装正品全新进口深圳现货
PHI
18+
3.9mm16
85600
保证进口原装可开17%增值税发票
PHI
三年内
1983
只做原装正品
PHI
2447
SOP16
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
HAR
DIP
908
原装正品
PHI
25+
封装
500000
源自原厂成本,高价回收工厂呆滞
112
24+
17+
0
SSOP-16

74HC191DB-T数据表相关新闻