| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
HD74HC490 | Dual 4-bit Decade Counters Description This circuit contains eight master-slave flip-flops and additional gating to implement two individual 4-bit decade counters. Each decade counter has individual clock, clear and set-to-9 inputs. BCD count sequences of any length up to divide-by-100 may be implemented with a single HD74 | HitachiHitachi Semiconductor 日立日立公司 |   | |
HD74HC490 | Dual 4-bit Decade Counters Description This circuit contains eight master-slave flip-flops and additional gating to implement two individual 4-bit decade counters. Each decade counter has individual clock, clear and set-to-9 inputs. BCD count sequences of any length up to divide-by-100 may be implemented with a single HD74 | RENESAS 瑞萨 | | |
HD74HC490 | Standard IC>General-Purpose Logics>HD74HC Series | RENESAS 瑞萨 | |
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
HIMAX |
24+ |
QFN |
13718 |
只做原装 公司现货库存 |
|||
HITACHI |
2025+ |
SOP14 |
3565 |
全新原厂原装产品、公司现货销售 |
|||
24+ |
DIP |
50 |
|||||
HIT |
1922+ |
SOP14 |
6598 |
原装进口现货库存专业工厂研究所配单供货 |
|||
HIT |
25+ |
SOP-14 |
3200 |
全新原装、诚信经营、公司现货销售 |
|||
HIT |
20+ |
SOP14 |
2960 |
诚信交易大量库存现货 |
|||
HIT |
24+ |
SOP |
37500 |
原装正品现货,价格有优势! |
|||
HIT |
93+ |
SOP14 |
1380 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
|||
HIT |
96+ |
SOP-14 |
100 |
原装现货海量库存欢迎咨询 |
|||
HITACHI/日立 |
25+ |
SOP20 |
92 |
就找我吧!--邀您体验愉快问购元件! |
HD74HC490芯片相关品牌
HD74HC490规格书下载地址
HD74HC490参数引脚图相关
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2019-8-24
DdatasheetPDF页码索引
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