Quantity   Component name
10 × 74LS191 (4 Bit Counter) 4 Bit Counter
3 × AT28C64A 8k EEPROM
3 × 74LS257 4 Bit Multiplier / Data Selector
2 × 74LS373 8 Bit Register
1 × HM62256 32k x 8 Static RAM (SRAM)