TC74AC257F Overview
They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. Each is posed of four independent 2-channel multiplexers with mon SELECT and OUTPUT ENABLE ( OE ). The TC74AC257 is a non-inverting multiplexer, while the TC74AC258 is an inverting.
TC74AC257F Key Features
- High speed: tpd = 3.6 ns (typ.) at VCC = 5 V
- Low power dissipation: ICC = 8 μA (max) at Ta = 25°C
- High noise immunity: VNIH = VNIL = 28% VCC (min)
- Symmetrical output impedance: |IOH| = IOL = 24 mA (min)
- Balanced propagation delays: tpLH ∼- tpHL
- Wide operating voltage range: VCC (opr) = 2 to 5.5 V
- Pin and function patible with 74F257/258