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

54LS490DM产品属性

  • 类型

    描述

  • 型号

    54LS490DM

  • 功能描述

    Asynchronous Up Counter

更新时间:2026-3-11 17:36:02
IC供应商 芯片型号 品牌 批号 封装 库存 备注 价格
TI
25+
DIP
30000
代理全新原装现货,价格优势
TI(德州仪器)
2021+
8000
原装现货,欢迎询价
TI/德州仪器
24+
DIP
1500
只供应原装正品 欢迎询价
TI
24+
DIP
30617
TI一级代理商原装进口现货
TI
2015+
SOP/DIP
19889
一级代理原装现货,特价热卖!
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
25+
DIP
3000
全新原装、诚信经营、公司现货销售!
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+
14-CDIP
18746
样件支持,可原厂排单订货!
TI
25+
14-CDIP
18798
正规渠道,免费送样。支持账期,BOM一站式配齐

54LS490DM数据表相关新闻