| 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 文件：141.13 Kbytes Page：8 Pages | 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 | |
| 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 |
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! |
|||
TI |
17+ |
DIP |
6200 |
100%原装正品现货 |
|||
TI |
23+ |
DIP陶瓷 |
5000 |
原装正品,假一罚十 |
|||
A |
24+ |
b |
5 |
||||
最新 |
2000 |
原装正品现货 |
|||||
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 |
|||
TI |
24+ |
DIP |
30617 |
TI一级代理商原装进口现货 |
|||
TI |
92+ |
DIP |
31 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
|||
TI |
25+ |
DIP |
80 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
SN54LS490芯片相关品牌
SN54LS490规格书下载地址
SN54LS490参数引脚图相关
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