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IP82C59A - CMOS Priority Interrupt Controller

Datasheet Summary

Description

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.

Features

  • 12.5MHz, 8MHz and 5MHz Versions Available - 12.5MHz Operation.
  • . . . . 82C59A-12 - 8MHz Operation.
  • . . . 82C59A - 5MHz Operation.
  • . . 82C59A-5.
  • 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.

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Datasheet Details

Part number IP82C59A
Manufacturer Intersil Corporation
File Size 152.11 KB
Description CMOS Priority Interrupt Controller
Datasheet download datasheet IP82C59A Datasheet
Additional preview pages of the IP82C59A datasheet.

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Full PDF Text Transcription

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82C59A March 1997 CMOS Priority Interrupt Controller Description 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.
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