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型号 功能描述 生产厂家 企业 LOGO 操作

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 4-Bit Up/Down Counter with Mode Control

FAIRCHILD

仙童半导体

Synchronous 4-Bit Up/Down Counters with Mode Control

NSC

国半

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 Counters(single clock line)

HITACHIHitachi Semiconductor

日立日立公司

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:2026-7-22 23:00:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
25+
PDIP-16
21000
正规渠道,免费送样。支持账期,BOM一站式配齐
TI(德州仪器)
25+
SO16208mil
2886
原装现货,免费供样,技术支持,原厂对接
TI
25+
DIP-16
66880
原装正品,欢迎询价
TI
22+
16SO
9000
原厂渠道,现货配单
3
2450+
DIP16
9850
只做原厂原装正品现货或订货假一赔十!
TEXAS
26+
DIP16P
6868
原装现货,可开13%税票
TI
2018+
26976
代理原装现货/特价热卖!
TI(德州仪器)
25+
PDIP-16
499
全新原装
TI
23+
NA
20000
TI/TEXAS
26+
DIP-16
8931
代理全系列销售, 全新原装正品,价格优势,长期供应,量大可订

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