The TC74VHC08AF is a high-speed CMOS quad 2-input AND gate fabricated with silicon gate CMOS technology. It achieves high-speed operation similar to equivalent bipolar Schottky TTL while maintaining CMOS low power dissipation. This device is well-suited for a variety of applications requiring AND logic functions.

Applications

• Logic gates in digital circuits
• Data processing
• Instrumentation
• Telecommunications
• Computers and peripherals

Features

• High-speed operation: tpd = 4.1 ns (typ.) at VCC = 5 V
• Low power dissipation: ICC = 2 μA (max.) at Ta = 25°C
• High noise immunity: VNIH = VNIL = 28 % VCC (min.)
• Output drive capability: 10 LSTTL loads
• Symmetrical output impedance: |IOH| = IOL = 8 mA (min.)
• Balanced propagation delays: tPLH ≈ tPHL
• Wide operating voltage range: VCC = 2 V to 5.5 V
• Pin and function compatible with 74LS08

Benefits

• Increased system speed due to fast propagation delays.
• Reduced power consumption, leading to energy efficiency and longer battery life in portable devices.
• Improved noise margin for reliable operation in noisy environments.
• Direct compatibility with TTL logic levels simplifies integration into existing systems.
• Simplified design due to balanced propagation delays.
• Flexible power supply options.

Additional Details

The TC74VHC08AF is supplied in a 14-lead small outline integrated circuit (SOIC) package. It operates over a wide temperature range, typically -40°C to 85°C. The input and output pins are designed to be robust and can withstand electrostatic discharge (ESD) events. The device utilizes CMOS technology which contributes to its low power consumption and high noise immunity, making it suitable for a variety of logic applications.