The 74HCT04D is a Hex Inverter. The inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.
TTL Input level
±1µA Input leakage current
40µA Supply current
Complies with JEDEC standard JESD7A
Complies with JEDEC standard JESD8-1A
ESD sensitive device, take proper precaution while handling the device.