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 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

文件:141.13 Kbytes Page:8 Pages

TI

德州仪器

更新时间:2026-3-11 15:46:01
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI/TEXAS
26+
DIP陶瓷
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
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/德州仪器
22+
CDIP
12245
现货,原厂原装假一罚十!
TI
23+
DIP陶瓷
5000
原装正品,假一罚十
TI
23+
DIP
50000
全新原装正品现货,支持订货
A
24+
b
5
TI
25+
14-CDIP
18746
样件支持,可原厂排单订货!
TI
25+
DIP
3000
全新原装、诚信经营、公司现货销售!
TI
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
TI/德州仪器
2447
DIP
100500
一级代理专营品牌!原装正品,优势现货,长期排单到货

54LS490/BEA数据表相关新闻