| 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德州仪器 |
22+ |
24000 |
原装正品现货,实单可谈,量大价优 |
||||
TI |
23+ |
DIP |
8650 |
受权代理!全新原装现货特价热卖! |
|||
FSC |
23+ |
NA |
8000 |
全新原装假一赔十 |
|||
TI |
24+ |
DIP |
30617 |
TI一级代理商原装进口现货 |
|||
MOTOROLA/摩托罗拉 |
QQ咨询 |
DIP-16 |
826 |
全新原装 研究所指定供货商 |
|||
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 |
80 |
百分百原装正品 真实公司现货库存 本公司只做原装 可 |
|||
TI |
25+ |
DIP |
30000 |
代理全新原装现货,价格优势 |
|||
TI |
2015+ |
SOP/DIP |
19889 |
一级代理原装现货,特价热卖! |
|||
TI/德州仪器 |
22+ |
CDIP |
12245 |
现货,原厂原装假一罚十! |
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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