Z80-(PQFP-44) Microcomputer System

Example Z80 microcomputer system is designed with QFP44 Z80 CPU. There are 62256 RAM and 28256 EEPROM in the system.
RAM is added to the card. The EEPROM module is attached with RAM with header pins.
IQRQ, MREQ, RD, WR, RESET, CLK, +5V, GND outputs are connected to the J1 8-pin header.