位置：首页 > IC中文资料第628页 > SN74LS490
| 型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
SN74LS490 | DUALDECADECOUNTER TheSN54/74LS490containsapairofhigh-speed4-stageripplecounters.EachhalfoftheSN54/74LS490hasindividualClock,MasterResetandMasterSet(Preset9)inputs.Eachsectioncountsinthe8,4,2,1BCDcode. •DualVersionofSN54/74LS490 •IndividualAsynchronousClearandPresetto | MotorolaMotorola, Inc 摩托罗拉 |  |   |
SN74LS490 | DUAL4-BITDECADECOUNTERS 文件：141.13 Kbytes Page：8 Pages | TITexas Instruments 德州仪器美国德州仪器公司 |  | |
DUALDECADECOUNTER TheSN54/74LS490containsapairofhigh-speed4-stageripplecounters.EachhalfoftheSN54/74LS490hasindividualClock,MasterResetandMasterSet(Preset9)inputs.Eachsectioncountsinthe8,4,2,1BCDcode. •DualVersionofSN54/74LS490 •IndividualAsynchronousClearandPresetto | MotorolaMotorola, Inc 摩托罗拉 | | | |
DUALDECADECOUNTER TheSN54/74LS490containsapairofhigh-speed4-stageripplecounters.EachhalfoftheSN54/74LS490hasindividualClock,MasterResetandMasterSet(Preset9)inputs.Eachsectioncountsinthe8,4,2,1BCDcode. •DualVersionofSN54/74LS490 •IndividualAsynchronousClearandPresetto | MotorolaMotorola, Inc 摩托罗拉 | | | |
BCD-to-SevenSegmentDecoderDriver(withOpencollectoroutputs) ●Quadrupie2-InputPositiveNANDGates ●Quadruple2-InputPositiveNANDGates(withOpenCollectorOutput) (Continue....) | HitachiHitachi, Ltd. 日立公司 |  | | |
Ouadruple2-inputPositiveNANDGates 文件：6.85482 Mbytes Page：273 Pages | HitachiHitachi, Ltd. 日立公司 | | |
| 替换型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
|---|---|---|---|---|
Ouadruple 2-input Positive NAND Gates | HitachiHitachi, Ltd. 日立公司 | | | |
BCD-to-Seven Segment Decoder Driver(with Open collector outputs) | HitachiHitachi, Ltd. 日立公司 | | |
SN74LS490产品属性
- 类型
描述
- 型号
SN74LS490
- 制造商
Motorola Inc
- 制造商
Panasonic Industrial Company
- 功能描述
IC
- 制造商
Rochester Electronics LLC
| IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
23+ |
N/A |
59510 |
正品授权货源可靠 |
||||
TI |
26 |
公司优势库存 热卖中!! |
|||||
TI/德州仪器 |
21+ |
DIP |
1709 |
||||
TI/德州仪器 |
2315+ |
SOP-14 |
3689 |
优势代理渠道,原装现货,可全系列订货 |
|||
TI/德州仪器 |
23+ |
NA/ |
3748 |
原厂直销,现货供应,账期支持! |
|||
TI/德州仪器 |
22+ |
DIP |
12245 |
现货,原厂原装假一罚十! |
|||
MOTOROL |
23+ |
DIP16 |
8650 |
受权代理!全新原装现货特价热卖! |
|||
TI/德州仪器 |
22+ |
DIP |
20000 |
原装现货,实单支持 |
|||
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 |
DIP |
11200 |
原厂授权一级代理、全球订货优势渠道、可提供一站式BO |
SN74LS490芯片相关品牌
SN74LS490规格书下载地址
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