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:2025-11-4 23:00:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
Nexperia(安世)
24+
SSOP16208mil
1676
只做原装,提供一站式配单服务,代工代料。BOM配单
Nexperia(安世)
24+
SSOP16208mil
2245
原装现货,免费供样,技术支持,原厂对接
NEXPERIA/安世
25+
SOT338-1
600000
NEXPERIA/安世全新特价74HC191DB即刻询购立享优惠#长期有排单订
NEXPERIA/安世
24+
原厂原封可拆样
65258
百分百原装现货,实单必成
PHIL
24+/25+
9
原装正品现货库存价优
HAR
24+
SOP
9200
大批量供应优势库存热卖
112
24+
17+
0
SSOP-16
PHI
05+
PDIP
1000
自己公司全新库存绝对有货
24+
5000
公司存货
TOSHIBA/东芝
23+
SOP16
3000
一级代理原厂VIP渠道,专注军工、汽车、医疗、工业、

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