DUMC UM8259A Features • iAPX86, iAPX88 compatible • MCS-80®, MCS-85® compatible • 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 General 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 ...

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