74HC14 is a Hex Schmitt Trigger Inverter IC from the 74HC (High-Speed CMOS) logic family.
Supply voltage (VCC): −0.5 V to +7 V
Input voltage: −0.5 V to VCC + 0.5 V
Output current (per pin): ±25 mA
Power dissipation: ~500 mW (DIP package, typical)
Storage temperature: −65°C to +150°C