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74HC191D

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/

文件:108.17 Kbytes 页数:14 Pages

PHI

飞利浦

PHI

74HC191D

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

文件:296.75 Kbytes 页数:18 Pages

NEXPERIANexperia B.V. All rights reserved

安世安世半导体(中国)有限公司

74HC191DB

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/

文件:108.17 Kbytes 页数:14 Pages

PHI

飞利浦

PHI

74HC191D

Presettable synchronous 4-bit binary up/down counter

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 capability permits the counter to b • Complies with JEDEC standard no. 7A\n• CMOS input levels\n• Synchronous reversible counting\n• Asynchronous parallel load\n• Count enable control for synchronous expansion\n• Single up/down control input\n• ESD protection:• HBM JESD22-A114F exceeds 2000 V\n• MM JESD22-A115-A exceeds 200 V\n\n• Spe;

Nexperia

安世

74HC191DB

Presettable synchronous 4-bit binary up/down counter

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 capability permits the counter to b • Complies with JEDEC standard no. 7A\n• CMOS input levels\n• Synchronous reversible counting\n• Asynchronous parallel load\n• Count enable control for synchronous expansion\n• Single up/down control input\n• ESD protection:• HBM JESD22-A114F exceeds 2000 V\n• MM JESD22-A115-A exceeds 200 V\n\n• Spe;

Nexperia

安世

74HC191D,653

Package:16-SOIC(0.154",3.90mm 宽);包装:管件 类别:集成电路(IC) 计数器,除法器 描述:IC 4BIT BINAR UP/DN COUNT 16SOIC

NEXPERIANexperia B.V. All rights reserved

安世安世半导体(中国)有限公司

74HC191DB,112

Package:16-SSOP(0.209",5.30mm 宽);包装:管件 类别:集成电路(IC) 计数器,除法器 描述:IC SYNC 4BIT BINARY UP/DN 16SSOP

NEXPERIANexperia B.V. All rights reserved

安世安世半导体(中国)有限公司

74HC191DB,118

Package:16-SSOP(0.209",5.30mm 宽);包装:管件 类别:集成电路(IC) 计数器,除法器 描述:IC 4BIT BINAR UP/DN COUNT 16SSOP

NEXPERIANexperia B.V. All rights reserved

安世安世半导体(中国)有限公司

技术参数

  • VCC (V):

    2.0 - 6.0

  • Output drive capability (mA):

    ± 5.2

  • Logic switching levels:

    CMOS

  • tpd (ns):

    22

  • Power dissipation considerations:

    low

  • Tamb (°C):

    -40~125

  • Rth(j-a) (K/W):

    67

  • Ψth(j-top) (K/W):

    1.0

  • Rth(j-c) (K/W):

    24

  • Package name:

    SO16

供应商型号品牌批号封装库存备注价格
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
询价
PHI
2021+
SOP16
9000
原装现货,随时欢迎询价
询价
Nexperia
24+
SOIC-16
5000
进口原装 价格优势
询价
恩XP
24+
500
询价
恩XP
2016+
SOP16
3000
只做原装,假一罚十,公司可开17%增值税发票!
询价
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!
询价
ph
24+
N/A
6980
原装现货,可开13%税票
询价
PHIL
24+/25+
188
原装正品现货库存价优
询价
PHI
25+
3.9mm
2987
只售原装自家现货!诚信经营!欢迎来电!
询价
PHI
23+
SMD-SO16
9856
原装正品,假一罚百!
询价
更多74HC191D供应商 更新时间2025-10-7 14:14:00