Quantity   Component name
1 × 6303R or similar 40pin DIP 6303, not the later 48/64pin versions
2 × 74HC573 8bit latch
1 × 74HC00 Quad NAND
1 × 74HC688 8bit comparator
6 × 4K7 resistor
1 × 10K resistor
5 × 0.1µF decoupling capacitor
1 × 40 pin angled connector (RC2014 style)
1 × Misc jumpers/headers