The GD74HC02 is a high-speed CMOS quad 2-input NOR gate fabricated with silicon gate CMOS technology. It achieves speeds similar to comparable LSTTL while maintaining the low power dissipation of standard CMOS integrated circuits. This device is well-suited for a variety of digital logic applications where low power consumption and high speed are required.

Applications:

• Logic circuits
• Digital electronics projects
• Signal processing
• Data transmission
• Microcontroller systems

Features:

• High Speed: tpd = 8ns (typ.) at VCC = 5V
• Low Power Dissipation: ICC = 1μA (max.) at TA = 25°C
• High Noise Immunity: VNIH = VNIL = 28 % VCC
• Output Drive Capability: 10 LSTTL Loads
• Symmetrical Output Impedance: |IOH| = IOL = 4 mA (min.)
• Balanced Propagation Delays: tPLH ≈ tPHL
• Wide Operating Voltage Range: VCC = 2V to 6V
• Pin and Function Compatible with 74LS02

Benefits:

• Reduced power consumption extends battery life in portable devices.
• High-speed operation ensures compatibility with fast digital systems.
• High noise immunity provides reliable operation in noisy environments.
• Wide operating voltage range allows for flexible integration into various systems.
• Direct replacement for older 74LS series devices simplifies upgrades.

Additional Details:

The GD74HC02 is available in various packages, including DIP and SOIC. It operates over a wide temperature range, making it suitable for industrial and commercial applications. The input protection circuitry ensures that the device can withstand electrostatic discharge (ESD) events. The device's low input current and high output drive capability make it suitable for interfacing with other CMOS and TTL devices.