UM8259A Description
The UM8259A Programmable Interrupt Controller handles up to eight vectored priority interrupts for the CPU, It is cascadable for up to 64 vectored priority interrupts without additional circuitry, Packaged in a 28-pin DIP, it uses NMOS technology and requires a single +5V supply. Circuitry is static, requiring no clock input. The UM8259A is designed to minimize the software and real time overhead in handling...
UM8259A Key Features
- iAPX86, iAPX88 patible
- MCS-80®, MCS-85® patible
- Eight-level priority controller
- Expandable to 64 levels ,. Programmable interrupt modes
- Individual request mask capability
- Single +5V supply (no clocks)
- 28-pin dual-in-line package
- Available in EXPRESS
- Standard temperature range
- Extended temperature range