型号 | 功能描述 | 生产厂家&企业 | LOGO | 操作 |
---|---|---|---|---|
16,20-KeyEncoder GeneralDescription TheseCMOSkeyencodersprovideallthenecessarylogictofullyencodeanarrayofSPSTswitches.Thekeyboardscancanbeimplementedbyeitheranexternalclockorexternalcapacitor.Theseencodersalsohaveon-chippullupdeviceswhichpermitswitcheswithupto50kXon | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | |||
16-KeyEncoder20-KeyEncoder GeneralDescription TheMM74C922andMM74C923CMOSkeyencodersprovideallthenecessarylogictofullyencodeanarrayofSPSTswitches.Thekeyboardscancanbeimplementedbyeitheranexternalclockorexternalcapacitor.Theseencodersalsohaveon-chippull-updeviceswhichpermitswitches | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | |||
16,20-KeyEncoder GeneralDescription TheseCMOSkeyencodersprovideallthenecessarylogictofullyencodeanarrayofSPSTswitches.Thekeyboardscancanbeimplementedbyeitheranexternalclockorexternalcapacitor.Theseencodersalsohaveon-chippullupdeviceswhichpermitswitcheswithupto50kXon | NSCNational Semiconductor (TI) 美国国家半导体美国国家半导体公司 | |||
16-KeyEncoder20-KeyEncoder GeneralDescription TheMM74C922andMM74C923CMOSkeyencodersprovideallthenecessarylogictofullyencodeanarrayofSPSTswitches.Thekeyboardscancanbeimplementedbyeitheranexternalclockorexternalcapacitor.Theseencodersalsohaveon-chippull-updeviceswhichpermitswitches | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 | |||
16-KeyEncoder20-KeyEncoder GeneralDescription TheMM74C922andMM74C923CMOSkeyencodersprovideallthenecessarylogictofullyencodeanarrayofSPSTswitches.Thekeyboardscancanbeimplementedbyeitheranexternalclockorexternalcapacitor.Theseencodersalsohaveon-chippull-updeviceswhichpermitswitches | FairchildFairchild Semiconductor 仙童半导体飞兆/仙童半导体公司 |
IC供应商 | 芯片型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
HGSEMI(华冠) |
23+ |
SOP-20W |
3600 |
编码器,一级代理 |
|||
NS |
21+ |
DIP |
55 |
原装现货假一赔十 |
|||
NS/National Semiconductor Corp |
21+ |
DIP |
55 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
HGSEMI(华冠) |
2021+ |
DIP-20 |
606 |
||||
HG/HX |
23+ |
NA/ |
500 |
优势代理渠道,原装正品,可全系列订货开增值税票 |
|||
HGSEMI(华冠) |
22+ |
DIP-20 |
9852 |
只做原装正品现货,或订货假一赔十! |
|||
FAIRCHILD/仙童 |
24+ |
SOP |
860000 |
明嘉莱只做原装正品现货 |
|||
FSC |
22+23+ |
DIP20 |
35582 |
绝对原装正品全新进口深圳现货 |
|||
HGSEMI华冠 |
23+ |
DIP-20 |
22820 |
原装正品,支持实单 |
|||
NS |
23+ |
SOP |
3200 |
全新原装、诚信经营、公司现货销售 |
NM74C923N规格书下载地址
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DdatasheetPDF页码索引
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