SN74HC08 Quad 2-Input AND Gate ?C SOIC-14 | Texas Instruments

Texas Instruments SN74HC08 ?C Quad 2-Input AND Gate for Logic Operations

En SN74HC08 is a high-speed CMOS logic gate from Fabricante de CI, featuring four independent 2-input AND gates. Each gate performs the Boolean function Y = A ? B, making it a fundamental component in logic circuits, decision making, and control applications. The SN74HC08 is an essential part of any embedded or digital system where logical conjunction is required.

This device operates from a wide voltage range of 2V to 6V, offering flexibility in interfacing with multiple logic levels. With Schmitt-trigger inputs and low power CMOS technology, it combines fast signal processing with energy efficiency, making it suitable for battery-powered and industrial systems alike.

Key Electrical Characteristics and Specifications

Parámetro	Valor	Unidad
Logic Function	Quad 2-Input AND Gate	–
Number of Gates	4	–
Tensión de alimentación	2 to 6	V
Propagation Delay (at 5V)	10	ns
High-Level Input Voltage (Min)	3.15 (at 4.5V Vcc)	V
Low-Level Input Voltage (Max)	1.35 (at 4.5V Vcc)	V
Output Drive	??4 mA	–
Paquete	SOIC-14	–

Advantages Over Competing Logic Gates

• CMOS Technology: Ensures high-speed logic processing with minimal power draw, suitable for compact and mobile electronics.
• Noise Rejection: Built-in hysteresis and defined input thresholds provide clean switching in noisy environments.
• Voltage Flexibility: Compatible with both 3.3V and 5V systems, simplifying integration across multiple platforms.
• Amplia gama de temperaturas: Reliable operation from ?40??C to +85??C for industrial and consumer applications.

Aplicaciones típicas

• Logic control circuits and arithmetic functions
• Signal enable or gating functions in embedded devices
• Control logic in timing and sequencing systems
• Sensor interfacing and validation logic
• Basic digital function development in educational projects

Preguntas más frecuentes (FAQ)

What is the primary use of the SN74HC08?

It performs logical AND operations between two digital inputs, outputting a high signal only when both inputs are high. It is commonly used in control and decision-making circuits.

Can SN74HC08 operate at 3.3V?

Yes, the SN74HC08 operates reliably across a voltage range from 2V to 6V, making it fully compatible with 3.3V logic systems.

Does the device include Schmitt-trigger inputs?

Yes, the inputs are designed with noise margins and hysteresis-like behavior, ensuring that input transitions occur cleanly even in the presence of signal noise.

Is the SN74HC08 suitable for battery-powered devices?

Yes. It uses CMOS technology, which ensures very low quiescent current and efficient performance, suitable for portable electronics and power-conscious systems.

What packaging options are available?

The SN74HC08 is available in industry-standard SOIC-14 and other configurations, offering flexibility for surface mount or through-hole applications.