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型号 功能描述 生产厂家 企业 LOGO 操作
DM74LS190N

Synchronous 4-Bit Up/Down Counters with Mode Control

文件:174.74 Kbytes Page:8 Pages

NSC

国半

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

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

替换型号 功能描述 生产厂家 企业 LOGO 操作

Synchronous Up/Down Decade 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 Decade Counter (signal clock line)

RENESAS

瑞萨

Synchronous Up / Down Decade Counter (signal 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:2026-5-19 22:59:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
25+
-
18746
样件支持,可原厂排单订货!
TI
25+
-
18798
正规渠道,免费送样。支持账期,BOM一站式配齐
NSC
26+
SOT23-5
890000
一级总代理商原厂原装大批量现货 一站式服务
TI
24+
DIP-16
250
METHODEELECT
23+
65480
26+
N/A
67000
一级代理-主营优势-实惠价格-不悔选择
Rochester
25+
电联咨询
7800
公司现货,提供拆样技术支持

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