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型号 功能描述 生产厂家 企业 LOGO 操作
DM74LS191N

Synchronous 4-Bit Up/Down Counter with Mode Control

General Description The DM74LS191 circuit is a synchronous, reversible, up/down counter. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change simultaneously when so instructed by the steering logic. This mode of operation eliminates the out

FAIRCHILD

仙童半导体

DM74LS191N

Synchronous 4-Bit Up/Down Counters with Mode Control

文件:174.74 Kbytes Page:8 Pages

NSC

国半

DM74LS191N

封装/外壳:16-DIP(0.300",7.62mm) 包装:管件 描述:IC COUNTER BINARY UP/DOWN 16-DIP 集成电路(IC) 计数器,除法器

ONSEMI

安森美半导体

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54/74LS190 is a synchronous UP/DOWN BCD Decade (8421) Counter and the SN54/74LS191 is a synchronous UP/DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH transit

MOTOROLA

摩托罗拉

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54/74LS190 is a synchronous UP/DOWN BCD Decade (8421) Counter and the SN54/74LS191 is a synchronous UP/DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH transit

MOTOROLA

摩托罗拉

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件:512.63 Kbytes Page:14 Pages

TI

德州仪器

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件:512.63 Kbytes Page:14 Pages

TI

德州仪器

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

文件:512.63 Kbytes Page:14 Pages

TI

德州仪器

替换型号 功能描述 生产厂家 企业 LOGO 操作

Synchronous Up/Down 4-bit Binary Counters(single clock line)

HITACHIHitachi Semiconductor

日立日立公司

Ouadruple 2-input Positive NAND Gates

HITACHIHitachi Semiconductor

日立日立公司

Synchronous Up / Down 4-bit Binary Counter (single clock line)

RENESAS

瑞萨

Synchronous Up / Down 4-bit Binary Counter (single clock line)

RENESAS

瑞萨

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

TI

德州仪器

PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

MOTOROLA

摩托罗拉

SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL

TI

德州仪器

更新时间:2026-7-23 23:00:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
onsemi
25+
16-PDIP
7734
样件支持,可原厂排单订货!
onsemi
25+
16-PDIP
7786
正规渠道,免费送样。支持账期,BOM一站式配齐
FSC
23+
NA
20000
全新原装假一赔十
Fairchild/ON
22+
16PDIP
9000
原厂渠道,现货配单
NSC
24+/25+
144
原装正品现货库存价优
FAIR
2015+
DIP
19889
一级代理原装现货,特价热卖!
FSC
23+
DIP
12800
##公司主营品牌长期供应100%原装现货可含税提供技术
FSC
24+
DIP
2000
只做原装正品现货 欢迎来电查询15919825718
NSC
25+
原装原封
8888
专做原装正品,假一罚百!
FAIRCHILD/仙童
26+
DIP
8635
一级代理优势现货,全新正品直营店

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