The TC74HCU04AFN, manufactured by Toshiba Semiconductor and Storage, is a high-speed CMOS hex inverter featuring unbuffered outputs. This component is part of the HC series, known for its reliability and performance in various digital logic applications. The unbuffered outputs are particularly useful in applications requiring sharp signal transitions and minimal propagation delays.

Applications

• Square wave oscillators
• Clock signal generation
• Logic signal inversion
• Line drivers
• Simple logic gates

Features

• High-speed operation: Typical propagation delay time of 7 ns at VCC = 5V.
• Low power consumption: ICC = 1 μA (max) at Ta = 25°C.
• Wide operating voltage range: VCC = 2 V to 6 V.
• High noise immunity: VNIH = VNIL = 28 % VCC (min).
• Output drive capability: 10 LSTTL loads.
• Symmetrical output impedance: |IOH| = IOL = 4 mA (min).
• Operating temperature range: -40 to 85°C.
• Unbuffered outputs for fast switching.

Benefits

• Fast signal processing due to the minimal propagation delay.
• Extended battery life in portable devices because of the low power consumption.
• Stable operation in noisy environments thanks to high noise immunity.
• Easy integration with LSTTL logic circuits.
• Improved signal integrity due to symmetrical output impedance.
• Versatile usage with a wide range of supply voltages.
• Dependable performance in extreme temperature conditions.

Additional Details

The TC74HCU04AFN comes in a DIP14 (Dual In-line Package) package. Its unbuffered output configuration ensures rapid switching, which is crucial in time-sensitive applications. The device's input protection circuit prevents damage from static discharge. Due to its CMOS structure, it has a high input impedance, reducing the load on preceding stages.

The symmetrical output drive capability ensures that it can source or sink current equally, simplifying interfacing with other components in the circuit. The wide operating temperature range makes it suitable for use in industrial and automotive applications.