| 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 |
|---|---|---|---|---|---|---|---|
24+ |
3000 |
自己现货 |
|||||
TexasInstruments |
18+ |
ICDGTLPWRCTRLR48VQFN |
6800 |
公司原装现货/欢迎来电咨询! |
|||
TI |
23+ |
48VQFN |
3200 |
公司只做原装，可来电咨询 |
|||
TI |
三年内 |
1983 |
只做原装正品 |
||||
TI/德州仪器 |
2447 |
TSSOP |
100500 |
一级代理专营品牌!原装正品,优势现货,长期排单到货 |
|||
SI-EN |
22+ |
SMD |
20000 |
公司只有原装 品质保障 |
|||
SI-EN |
20+ |
SMD |
32970 |
原装优势主营型号-可开原型号增税票 |
|||
TI |
2511 |
48VQFN |
3200 |
电子元器件采购降本 30%!原厂直采,砍掉中间差价 |
|||
TI |
11+ |
48VQFN |
750 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
|||
EUTECH/SI-EN |
23+ |
N/A |
50000 |
全新原装正品现货,支持订货 |
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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