| Manufacturer | Part Number | Description |
|---|---|---|
IK Semiconductor |
IN74HCT04A | Hex Inverter |
| ETC Unknown Manufacturer | IN74HCT04AN | Hex Inverter High-Performance Silicon-Gate CMOS |
| ETC Unknown Manufacturer | IN74HCT04A | Hex Inverter High-Performance Silicon-Gate CMOS |
| ETC Unknown Manufacturer | IN74HCT04AD | Hex Inverter High-Performance Silicon-Gate CMOS |