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SN74LS490N中文资料
SN74LS490N数据手册规格书PDF详情
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 9 for Each Counter
• Count Frequency — Typically 65 MHz
• Input Clamp Diodes Limit High-Speed Termination Effects
SN74LS490N产品属性
- 类型
描述
- 型号
SN74LS490N
- 制造商
Motorola Inc
- 制造商
Panasonic Industrial Company
- 功能描述
IC
- 制造商
Rochester Electronics LLC
更新时间：2025-10-12 10:16:00
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
MOTOROLA |
22+ |
DIP16 |
5000 |
原装现货库存.价格优势 |
|||
MOTOROL |
23+ |
DIP16 |
8650 |
受权代理!全新原装现货特价热卖! |
|||
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/德州仪器 |
21+ |
DIP |
1709 |
||||
TI/德州仪器 |
23+ |
DIP |
50000 |
全新原装正品现货,支持订货 |
|||
TI/德州仪器 |
22+ |
DIP |
12245 |
现货,原厂原装假一罚十! |
|||
TI |
DIP |
9500 |
一级代理 原装正品假一罚十价格优势长期供货 |
||||
TI/德州仪器 |
24+ |
NA/ |
3748 |
原厂直销,现货供应,账期支持! |
|||
ADI |
23+ |
DIP |
8000 |
只做原装现货 |
|||
ADI |
23+ |
DIP |
7000 |
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SN74LS490N 芯片相关型号
Datasheet数据表PDF页码索引
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