CDP1871A Datasheet CMOS Keyboard Encoder

Manufacturer: GE

CDP1871A cmos keyboard encoder by GE - Datasheet Preview

Datasheet Details

Part number	CDP1871A
Manufacturer	GE
File Size	497.00 KB
Description	CMOS Keyboard Encoder
Datasheet	CDP1871A Datasheet

Overview

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ CMOS Peripherals CDP1871A,CDP1871AC ~VDD , " t SliiFT J 38 1 CONTROL 4 37t--- ALPHA 3'5f-- DEBOUNCE 06-- 6 " 33 .............

DA f--32f-- BUS 7 31 BUS (; 3O~BUS" 29>-- BUS 4 2Bf-- BlJS 3 ::3::'-"'E"" 26 - BBUUSS2!

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 (SPST mechanical contact switches).
Shift, control, and alpha lock inputs.
RC-controlled debounce circuitry.
Single 4 to 10.5 V supply (COPIB71A); 4 to 6.5 V (COPIB71AC).
N-key lockout The RCA-CDP1871A is a keyboard encoder designed to directly interface betwe.

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