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

更新时间:2025-12-26 13:14:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
23+24
9860
原厂原包装。终端BOM表可配单。可开13%增值税
恩XP
2016+
SOP16
3000
只做原装,假一罚十,公司可开17%增值税发票!
Nexperia
24+
SOIC-16
5000
全新原装正品,现货销售
恩XP
21+
TSSOP14
8080
只做原装,质量保证
PHI
DIP
25635
一级代理 原装正品假一罚十价格优势长期供货
ST
25+
SOP3.9
16900
原装,请咨询
恩XP
24+
SO16
907
只做原装,提供一站式配单服务,代工代料。BOM配单
Nexperia(安世)
2021+
SSOP-16
499
TOSHIBA
2023+
SOP-16
50000
原装现货
恩XP
24+
SOP-16
1998
只做原装只有原装

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