74C922 encoder equivalent, 16-key encoder 20-key encoder.
s 50 kΩ maximum switch on resistance s On or off chip clock s On-chip row pull-up devices s 2 key roll-over s Keybounce elimination with single capacitor s Last key regis.
Synchronous Handshake (MM74C922) Synchronous Data Entry Onto Bus (MM74C922)
The keyboard may be synchronously scanned b.
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