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:2025-11-3 15:05:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
NEXPERIA/安世
2447
SOT338-1
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货
PHI
05+
PDIP
1000
自己公司全新库存绝对有货
HAR
24+
SOP
9200
大批量供应优势库存热卖
Nexperia USA Inc.
25+
16-SSOP(0.209 5.30mm 宽)
9350
独立分销商 公司只做原装 诚心经营 免费试样正品保证
恩XP
22+
16SSOP
9000
原厂渠道,现货配单
PHIL
24+/25+
9
原装正品现货库存价优
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、
112
24+
17+
0
SSOP-16
NEXPERIA/安世
24+
原厂原封可拆样
65258
百分百原装现货,实单必成
Nexperia USA Inc.
24+
16-SSOP
56200
一级代理/放心采购

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