型号 功能描述 生产厂家 企业 LOGO 操作

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

DUAL 4-BIT DECADE COUNTERS

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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:2025-12-29 22:50:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
FSC
23+
NA
8000
全新原装假一赔十
TI
92+
DIP
31
一级代理,专注军工、汽车、医疗、工业、新能源、电力
TI(德州仪器)
2021+
8000
原装现货,欢迎询价
TI
23+
NA
3680
专业电子元器件供应链正迈科技特价代理特价,原装元器件供应,支持开发样品
TI
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
TI
25+
模块
18000
原厂直接发货进口原装
TI/德州仪器
22+
CDIP
12245
现货,原厂原装假一罚十!
MOTOROLA/摩托罗拉
QQ咨询
DIP-16
826
全新原装 研究所指定供货商
TI
25+
DIP
3000
全新原装、诚信经营、公司现货销售!
TI
25+
DIP
30000
代理全新原装现货,价格优势

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