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 13:26:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
HAR
24+
SOP
9200
大批量供应优势库存热卖
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
恩XP
25+
原装
32360
NXP/恩智浦全新特价74HC191D即刻询购立享优惠#长期有货
PHI
2023+
DIP16
6895
原厂全新正品旗舰店优势现货
ST
25+
SOP3.9
16900
原装,请咨询
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
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!
恩XP
2016+
SOP16
3000
只做原装,假一罚十,公司可开17%增值税发票!
NEXPERIA/安世
2223+
TSSOP-16
26800
只做原装正品假一赔十为客户做到零风险

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