| 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 | |
| 替换型号 | 功能描述 | 生产厂家 企业 | LOGO | 操作 |
|---|---|---|---|---|
Ouadruple 2-input Positive NAND Gates | HitachiHitachi Semiconductor 日立日立公司 | Hitachi | | |
BCD-to-Seven Segment Decoder Driver(with Open collector outputs) | HitachiHitachi Semiconductor 日立日立公司 | Hitachi | | |
DUAL 4-BIT DECADE COUNTERS | TI 德州仪器 | TI | | |
DUAL DECADE COUNTER | Motorola 摩托罗拉 | Motorola | |
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
HITACHI/日立 |
24+ |
NA/ |
31 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
HITACHI |
2016+ |
DIP14 |
9000 |
只做原装,假一罚十,公司可开17%增值税发票! |
|||
HIT |
05+ |
DIP16 |
4 |
一级代理,专注军工、汽车、医疗、工业、新能源、电力 |
|||
HIT |
24+ |
SMD |
20000 |
一级代理原装现货假一罚十 |
|||
HIT |
24+ |
DIP |
100 |
只做原装正品现货 欢迎来电查询15919825718 |
|||
HIT |
98+ |
DIP |
3480 |
原装现货海量库存欢迎咨询 |
|||
HIT |
22+ |
DIP |
5000 |
只做原装鄙视假货15118075546 |
|||
HITACHI |
2450+ |
DIP14 |
9850 |
只做原装正品现货或订货假一赔十! |
|||
HIT |
DIP |
68500 |
一级代理 原装正品假一罚十价格优势长期供货 |
||||
HITACHI/日立 |
22+ |
DIP-14 |
8000 |
原装正品支持实单 |
M74LS490P规格书下载地址
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2020-12-14
DdatasheetPDF页码索引
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