CDP1871AC Description
DA f--32f-- BUS 7 31 BUS (; 3O~BUS" 29>-- BUS 4 2Bf-- BlJS 3 ::3::'-"'E"" 26 - BBUUSS2! 0 19 22 C52 20 21 e5i TOP VIEW TERMINAL ASSIGNMENT CMOS Keyboard Encoder.
CDP1871AC Key Features
- Directly interfaces with COP1BOO-series microprocessors
- Low power dissipation
- 3-state outputs
- Scans and generates code for 53 key ASCII keyboard plus 32 HEX keys
- Shift, control, and alpha lock inputs
- RC-controlled debounce circuitry
- N-key lockout