位置：首页 > IC中文资料 > SNJ54LS490AJ
| 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 | |
| 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) |
2021+ |
8000 |
原装现货，欢迎询价 |
||||
MOTOROLA/摩托罗拉 |
QQ咨询 |
DIP-16 |
826 |
全新原装 研究所指定供货商 |
|||
TI |
DIP |
320 |
正品原装--自家现货-实单可谈 |
||||
TI/德州仪器 |
24+ |
DIP |
1500 |
只供应原装正品 欢迎询价 |
|||
MOT |
8450 |
DIP |
39 |
普通 |
|||
A |
24+ |
b |
5 |
||||
TI |
25+ |
DIP |
9453 |
||||
TI/德州仪器 |
23+ |
CDIP |
50000 |
全新原装正品现货,支持订货 |
|||
23+ |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
|||||
TI |
24+ |
DIP |
30617 |
TI一级代理商原装进口现货 |
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DdatasheetPDF页码索引
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