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CDP1871 Datasheet - Intersil Corporation

CDP1871 - CMOS Keyboard Encoder

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).

The keyboard may consist of simple single-pole single-throw

CDP1871 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-

CDP1871_IntersilCorporation.pdf

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Datasheet Details

Part number:

CDP1871

Manufacturer:

Intersil Corporation

File Size:

56.79 KB

Description:

Cmos keyboard encoder.

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