TEXAS INSTRUMENTS SN74HC20N Dual 4-Input NAND Gate, 14-Pin DIP

The TEXAS INSTRUMENTS SN74HC20N is a dual 4-input positive-NAND gate that contains two independent circuits. This logic device performs the Boolean function Y = (A • B • C • D) or Y = A + B + C + D in positive logic, making it a versatile building block for digital electronic designs.

This integrated circuit offers low power consumption with a maximum ICC of only 20µA, alongside a fast propagation delay of 11ns. It delivers an output drive of ±4mA at 5V, ensuring reliable performance in a wide range of applications. The device features a maximum low input current of 1µA and can drive up to 10 LSTTL loads, providing excellent fan-out for interfacing with other TTL logic families.

Key Specifications

• Logic Function: NAND Gate
• Number of Elements: Dual (2 independent gates)
• Number of Inputs per Gate: 4
• Number of Pins: 14
• Logic Case Style: DIP (Dual In-Line Package)
• Product Range: 74HC20
• Logic IC Family: 74HC
• Supply Voltage Range: 2V to 6V
• Schmitt Trigger Input: No
• Output Current: 5.2mA
• Operating Temperature Range: -40°C to +85°C

This 74HC series gate is designed for high-speed CMOS logic applications, offering a balanced combination of speed and power efficiency. Its dual-gate configuration provides space-saving benefits on PCBs by consolidating two logic functions into a single 14-pin package. The device is suitable for industrial temperature ranges, ensuring dependable operation in demanding environments.

Applications

Ideal for use in a variety of digital systems, including control circuits, signal processing, and general-purpose logic implementations.