74HC74 is a Dual D-Type Positive-Edge-Triggered Flip-Flop IC from the 74HC (High-Speed CMOS) logic family. It contains two independent D flip-flops in a single package.D flip-flop (Data or Delay flip-flop) is a bistable multivibrator used to store 1 bit of data.
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)
Storage temperature: −65°C to +150°C·