BUY LD8259A https://www.utsource.net/itm/p/523960.html

Description: LD8259A is a Programmable Interrupt Controller (PIC) manufactured by Intel. It is a 28-pin Ceramic Dual In-line Package (CDIP). Features: 8-level priority interrupt structure Fully programmable interrupt vector locations Fully programmable interrupt masking Edge or level triggered interrupt inputs Non-maskable interrupt input Programmable interrupt control word Programmable interrupt acknowledge Programmable interrupt vector Programmable interrupt priority Applications: The LD8259A is used in applications that require a programmable interrupt controller. It is used in embedded systems, industrial control systems, and computer systems. It is also used in applications that require a high level of interrupt control. (For reference only)