TC74ACT257F Key Features
- High speed: tpd = 5.8 ns (typ.) at VCC = 5 V
- Low power dissipation: ICC = 8 μA (max) at Ta = 25°C
- patible with TTL outputs: VIL = 0.8 V (max)
- Symmetrical output impedance: |IOH| = IOL = 24 mA (min)
- Balanced propagation delays: tpLH ∼- tpHL
- Pin and function patible with 74F257