型号 功能描述 生产厂家 企业 LOGO 操作
74HCT191DB

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

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

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:2026-3-2 9:49:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
PHI
23+
SOP3.9MM
50000
全新原装正品现货,支持订货
恩XP
24+
TSSOP-5
10000
十年沉淀唯有原装
PHI
2026+
SOIC-16
65428
百分百原装现货 实单必成
恩XP
22+
16DIP
9000
原厂渠道,现货配单
恩XP
22+
TSSOP-5
20000
原装 品质保证
恩XP
25+
电联咨询
7800
公司现货,提供拆样技术支持
HAR
23+
SMD
5000
原厂授权代理,海外优势订货渠道。可提供大量库存,详
Nexperia USA Inc.
24+25+
16500
全新原厂原装现货!受权代理!可送样可提供技术支持!
恩XP
23+
SOP16
10
全新原装正品现货,支持订货
HAR
24+/25+
1570
原装正品现货库存价优

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