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5962-85016023A

CMOS Priority Interrupt Controller

Intersil 

®

Data Sheet

March 17, 2006

82C59A

FN2784.5

CMOS Priority Interrupt Controller

The Intersil 82C59A is a high performance CMOS Priority

Interrupt Controller manufactured using an advanced 2µm

CMOS process. The 82C59A is designed to relieve the

system CPU from the task of polling in a multilevel

priority system. The high speed and industry standard

configuration of the 82C59A make it compatible with

microprocessors such as 80C286, 80286, 80C86/88,

8086/88, 8080/85 and NSC800.

The 82C59A can handle up to eight vectored priority

interrupting sources and is cascadable to 64 without

additional circuitry. Individual interrupting sources can be

masked or prioritized to allow custom system configuration.

Two modes of operation make the 82C59A compatible with

both 8080/85 and 80C86/88/286 formats.

Static CMOS circuit design ensures low operating power.

The Intersil advanced CMOS process results in performance

equal to or greater than existing equivalent products at a

fraction of the power.

Features

• Pb-Free Plus Anneal Available (RoHS Compliant)

• 12.5MHz, 8MHz and 5MHz Versions Available

• High Speed, “No Wait-State” Operation with 12.5MHz

80C286 and 8MHz 80C86/88

• Pin Compatible with NMOS 8259A

• 80C86/88/286 and 8080/85/86/88/286 Compatible

• Eight-Level Priority Controller, Expandable to

64 Levels

• Programmable Interrupt Modes

• Individual Request Mask Capability

• Fully Static Design

• Fully TTL Compatible

• Low Power Operation

- ICCSB. . . . . . . . . . . . . . . . . . . . . . . . . . 10µA Maximum

- ICCOP . . . . . . . . . . . . . . . . . . . . . . 1mA/MHz Maximum

• Single 5V Power Supply

• Commercial, Industrial and Military Operating

Temperature Ranges Available

1

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

Copyright Intersil Americas Inc. 2002, 2005, 2006. All Rights Reserved

All other trademarks mentioned are the property of their respective owners.

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