型号 功能描述 生产厂家 企业 LOGO 操作
SN54LS490

DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • Dual Version of SN54/74LS490 • Individual Asynchronous Clear and Preset to

Motorola

摩托罗拉

SN54LS490

DUAL 4-BIT DECADE COUNTERS

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TI

德州仪器

SN54LS490

DUAL 4-BIT DECADE COUNTERS

TI

德州仪器

DUAL DECADE COUNTER

The SN54/74LS490 contains a pair of high-speed 4-stage ripple counters. Each half of the SN54/74LS490 has individual Clock, Master Reset and Master Set (Preset 9) inputs. Each section counts in the 8, 4, 2, 1 BCD code. • Dual Version of SN54/74LS490 • Individual Asynchronous Clear and Preset to

Motorola

摩托罗拉

更新时间:2025-11-4 20:04:00
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI/TEXAS
NEW
DIP陶瓷
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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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92+
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31
一级代理,专注军工、汽车、医疗、工业、新能源、电力
TI
25+
DIP
3000
全新原装、诚信经营、公司现货销售!
TI
24+
DIP
30617
TI一级代理商原装进口现货
TI
23+
DIP
30000
代理全新原装现货,价格优势
TI
25+
模块
18000
原厂直接发货进口原装
最新
2000
原装正品现货
TI
DIP
320
正品原装--自家现货-实单可谈
TI
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
MOTOROLA/摩托罗拉
QQ咨询
DIP-16
826
全新原装 研究所指定供货商

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