位置：首页 > IC中文资料第7771页 > DN74LS490
| 型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
BCD-to-Seven Segment Decoder Driver(with Open collector outputs) ● Quadrupie 2-Input Positive NAND Gates ● Quadruple 2-Input Positive NAND Gates (with Open Collector Output) (Continue....) | HITACHIHitachi Semiconductor 日立日立公司 |   | ||
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 | | ||
Ouadruple 2-input Positive NAND Gates 文件：6.85482 Mbytes Page：273 Pages | HITACHIHitachi Semiconductor 日立日立公司 | | ||
DUAL 4-BIT DECADE COUNTERS 文件：141.13 Kbytes Page：8 Pages | TI 德州仪器 | |
DN74LS490产品属性
- 类型
描述
- 型号
DN74LS490
- 功能描述
Asynchronous Up Counter
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
HIT |
23+ |
DIP |
62398 |
##公司主营品牌长期供应100%原装现货可含税提供技术 |
|||
HITACH |
25+ |
DIP |
3200 |
全新原装、诚信经营、公司现货销售 |
|||
HIT |
98+ |
DIP |
3480 |
原装现货海量库存欢迎咨询 |
|||
HIT |
23+ |
DIP/14/磁 |
7000 |
绝对全新原装!100%保质量特价!请放心订购! |
|||
HIT |
2023+ |
DIP |
5800 |
进口原装,现货热卖 |
|||
2023+ |
DIP |
3000 |
进口原装现货 |
||||
RENESAS |
24+ |
DIP14 |
36500 |
原装现货/放心购买 |
|||
RENESAS/瑞萨 |
24+ |
DIP |
60000 |
全新原装现货 |
|||
HIT |
24+ |
DIP |
6430 |
原装现货/欢迎来电咨询 |
|||
HIT |
22+ |
DIP |
5000 |
只做原装鄙视假货15118075546 |
DN74LS490芯片相关品牌
DN74LS490规格书下载地址
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DN74LS490数据表相关新闻
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DdatasheetPDF页码索引
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