ICs OR Gate Manufacturer: TI Part: HC32 Markings: 27K G4, CC 19 12-Bit Asynchronous Binary Counter Manufacturer: TI Part: HC4040 Markings: 26K G4, ALPO Comparator Manufacturer: Maxim Part: MAX934 Markings: CSE 2242 AND Gate Part: HC08 Markings: 2CK G4, AFH7 Hex Inverter (Schmitt Trigger) Part: HC14