INTERSIL IS82C55AZ I/O Expander, 8bit, 8 MHz, CMOS, 4.5 V, 5.5 V, LCC
CMOS Programmable Peripheral Interface 44-Pin PLCC Tube
IC I/O EXPANDER 24B 44PLCC
CMOS Programmable Peripheral Interface
Interface - I/O Expanders W/ANNEAL PERIPH PRG- I/O 5V 5MHZ 44PLCC
CMOS Serial Controller Interface
IC OSC PROG TIMER 8MHZ 28PLCC
CMOS Programmable Interval Timer
IC PERIPH UART/BRG 16MHZ 28-PLCC
IC OSC PROG TIMER 10MHZ 28PLCC
IC CTRLR INTERRUPT 8MHZ 28-PLCC
Interrupt Controller 5V 28-Pin PLCC Tube