The TC74VHC21FN is a high-speed CMOS dual 4-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 designed for use in a wide range of applications requiring AND gate functionality.
Applications:
- High-speed logic circuits
- Data processing
- Instrumentation
- Computer systems
- Control systems
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 74HC21
Benefits:
- Provides efficient AND gate logic functionality.
- Reduces power consumption, making it suitable for battery-powered devices.
- Ensures reliable operation in noisy environments due to its high noise immunity.
- Facilitates easy integration with other logic devices due to its output drive capability.
- Simplifies circuit design with its symmetrical output impedance.
- Offers flexibility in power supply selection with its wide operating voltage range.
Additional Details:
The TC74VHC21FN comes in a SOP14 package. Its operating temperature range is -40°C to +85°C. The input voltage is compatible with standard CMOS logic levels. It features ESD protection exceeding 2000V (HBM) and 200V (MM).