Interrupt Controller 5V 28-Pin CDIP
Interrupt Controller 5V 28-Pin CDIP Tube
Interrupt Controller, CMOS, CDIP28
IS82C55 Series 24 I/O Pin 2.5 mA Drive CMOS Programmable Peripheral Interface
PERIPH PRG-I/O 5V 8MHZ 44PLCC IND
CMOS Programmable Peripheral Interface
