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:2025-12-29 18:37:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
恩XP
22+
16DIP
9000
原厂渠道,现货配单
PHIL
24+/25+
188
原装正品现货库存价优
Nexperia(安世)
2021+
SSOP-16
499
ST
25+
SOP3.9
16900
原装,请咨询
ti
25+
500000
行业低价,代理渠道
TI
23+24
9860
原厂原包装。终端BOM表可配单。可开13%增值税
Nexperia
23+
SOIC-16
20000
PHI
DIP
25635
一级代理 原装正品假一罚十价格优势长期供货
NEXPERIA/安世
2022+
50
6600
只做原装,假一罚十,长期供货。
恩XP
24+
N/A
25843
公司原厂原装现货假一罚十!特价出售!强势库存!

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