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型号 功能描述 生产厂家 企业 LOGO 操作
7490A

The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter.

DESCRIPTION — The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter. It can be connected to operate with a conventional BCD output pattern or it can be connected to provide a 50% duty cycle

ETCList of Unclassifed Manufacturers

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7490A

Decade and Binary Counters

TI

德州仪器

Decade and Binary Counters

General Description The DM7490A monolithic counter contains four master-slave flip-flops and additional gating to provide a divide-by-two counter and a three-stage binary counter for which the count cycle length is divide-by-five. The counter has a gated zero reset and also has gated setto-nine

Fairchild

仙童半导体

Decade and Binary Counters

文件:133.7 Kbytes Page:10 Pages

NSC

国半

Package Contains a Divide-by-Two and a Divide-by-Five Counter

文件:410.83 Kbytes Page:1 Pages

ETCList of Unclassifed Manufacturers

未分类制造商

Package Contains a Divide-by-Two and a Divide-by-Five Counter

文件:410.83 Kbytes Page:1 Pages

ETCList of Unclassifed Manufacturers

未分类制造商

The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter.

DESCRIPTION — The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter. It can be connected to operate with a conventional BCD output pattern or it can be connected to provide a 50 duty cycle outpu

ETCList of Unclassifed Manufacturers

未分类制造商

The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter.

DESCRIPTION — The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter. It can be connected to operate with a conventional BCD output pattern or it can be connected to provide a 50 duty cycle outpu

ETCList of Unclassifed Manufacturers

未分类制造商

The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter.

DESCRIPTION — The ’90 is a 4-stage ripple counter containing a high speed flip-flop acting as a divide-by-two and three flip-flops connected as a divideby- five counter. It can be connected to operate with a conventional BCD output pattern or it can be connected to provide a 50 duty cycle outpu

ETCList of Unclassifed Manufacturers

未分类制造商

替换型号 功能描述 生产厂家 企业 LOGO 操作

Package Contains a Divide-by-Two and a Divide-by-Five Counter

ETCList of Unclassifed Manufacturers

未分类制造商

Package Contains a Divide-by-Two and a Divide-by-Five Counter

ETCList of Unclassifed Manufacturers

未分类制造商

Decade and Binary Counters

NSC

国半

Decade and Binary Counters

Fairchild

仙童半导体

TTL HD74/HD74S Series

HitachiHitachi Semiconductor

日立日立公司

DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS

TI

德州仪器

DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS

TI

德州仪器

DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS

TI

德州仪器

DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS

TI

德州仪器

DECADE, DIVIDE-BY-TWELVE AND BINARY COUNTERS

TI

德州仪器

更新时间:2026-1-2 9:14:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TE/泰科
2407+
30098
全新原装!仓库现货,大胆开价!
TE
150
TE
21+
标准封装
100
保证原装正品,需要请联系张小姐13544103396
TYCO
23+
NA
142
专做原装正品,假一罚百!
24+
30
TE/泰科
2508+
/
275591
一级代理,原装现货
7490PC
25+
1
1
Mill-Max Manufacturing Corp.
23+
原厂封装
18149
只做原装只有原装现货实报
TE/泰科
24+
12954
原厂现货渠道
TE
55
全新原装 货期两周

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