INS8259
Description
The INS8259 is a Programmable Interrupt Controller chip contained in a standard 28-pin dual-in-Iine package_ The chip, which is fabricated using N-channel silicon gate technology, functions as a versatile interrupt management device in a microcomputer system. Each INS8259 resolves interrupt requests from up to eight different sources.
Key Features
- Performs Priority Control of up to Eight Interrupt Levels
- Can be Expanded to Handle up to 64 Levels Through Cascading
- Four Programmable Operating Modes
- Programmable Interrupt Vectors, Allowing Service Routines to be Located Anywhere in Memory
- Interrupt Request Inputs Can be Individually Masked
- TRI-STATE@ TTL Drive Capability for Bidirectional Data and Control Buses
- Single + 5 Volt Power Supply
- 28-Pin Dual-in-Line Package
- MICROBUSTM* Compatible INS8080 Family C~U Group to MICROBUS Configuration .r READY