8-Bit Microcontroller, 4.2MHz, OTPROM, 22 I/O, ADC, PDIP28
8-Bit MCU, 4.2MHz, OTPROM, 22 I/O, 256B RAM, ADC, DIP-28
28-Pin Commercial SRAM IC, 5V, 100ns Access Time, 32K x 8-Bit, DIP-28
Interrupt Controller, 8086; 8088; MCS-80; MCS-85 Compatible, NMOS, PDIP28, DIP-28
Software compatible Programmable Interrupt Controller
