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74C922

National Semiconductor
Part Number 74C922
Manufacturer National Semiconductor
Title 16/ 20-Key Encoder
Description These CMOS key encoders provide all the necessary logic to fully encode an array of SPST switches The keyboard scan can be implemented by either a...
Features Y Y Y Y Y Y Y Y Y 50 kX maximum switch on resistance On or off chip clock On-chip row pull-up devices 2 key roll-over Keybounce elimination with single capacitor Last key register at outputs TRI-STATE outpust LPTTL compatible Wide supply range Low p...

Datasheet PDF File 74C922 Datasheet 218.37KB

74C922   74C922   74C922  




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