CDP1871 - CMOS Keyboard Encoder

Intersil Corporation

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Datasheet Details

Part number: CDP1871
Manufacturer: Intersil Corporation
File Size: 56.79 KB
Datasheet: CDP1871_IntersilCorporation.pdf
Description: CMOS Keyboard Encoder

CDP1871 Product details

Description

The CDP1871A is a keyboard encoder designed to directly interface between a CDP1800-series microprocessor and a mechanical keyboard array, providing up to 53 ASCII coded keys and 32 HEX coded keys, as shown in the system diagram (Figure 1).

Features

Directly Interfaces with CDP1800-Series Microprocessor.
Low Power Dissipation.
Three-State Outputs.
Scans and Generates Code for 53 Key ASCII Keyboard Plus 32 HEX Keys (SPST Mechanical Contact Switches).
Shift, Control, and Alpha Lock Input.
RC-Controlled Debounce Circuitry.
Single Supply 4V to 10.5V.
. . . (CDP1871A) 4V to 6.5V.
. . . (CDP1871AC).
N-Key Lockout Ordering Information PACKAG.

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CMOS Keyboard Encoder Intersil Corporation

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