Quantity   Component name
3 × 74HCT393 Dual 4-bit counters
2 × 74HCT00 Quad 2-input NAND
1 × 74HCT10 Triple 3-input NAND
2 × 74HCT20 Dual 4-input NAND
1 × 74HCT04 Hex inverter
3 × 1N4148 Diodes
1 × 2K2 Resistor
1 × 25.175 MHz clock generator