74LCX08TTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Low Voltage, High-Speed CMOS Technology
• Package: TSSOP-14
• Essence: Quad 2-Input AND Gate
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• High-Level Input Voltage: 2V to Vcc + 0.3V
• Low-Level Input Voltage: -0.3V to 0.8V
• High-Level Output Current: -24mA
• Low-Level Output Current: 24mA
• Propagation Delay Time: 2.5ns (max) at 3.3V
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The 74LCX08TTR has a TSSOP-14 package with the following pin configuration:

1. A1 - Input A1
2. B1 - Input B1
3. Y1 - Output Y1
4. A2 - Input A2
5. B2 - Input B2
6. Y2 - Output Y2
7. GND - Ground
8. Y3 - Output Y3
9. B3 - Input B3
10. A3 - Input A3
11. Y4 - Output Y4
12. B4 - Input B4
13. A4 - Input A4
14. VCC - Power Supply

Functional Features

• Quad 2-Input AND Gate: The 74LCX08TTR is designed to perform logical AND operations on two input signals.
• Low Voltage Operation: It operates within a supply voltage range of 1.65V to 3.6V, making it suitable for low-power applications.
• High-Speed CMOS Technology: The IC utilizes high-speed CMOS technology, enabling fast switching and propagation delays.
• Schmitt Trigger Inputs: The inputs are equipped with Schmitt trigger circuitry, ensuring reliable operation even in the presence of noise.
• Balanced Propagation Delays: The gate provides balanced propagation delays between inputs, allowing synchronous operation in complex logic circuits.

Advantages and Disadvantages

Advantages: - Low voltage operation reduces power consumption. - High-speed CMOS technology enables fast signal processing. - Schmitt trigger inputs enhance noise immunity. - Balanced propagation delays facilitate synchronous operation.

Disadvantages: - Limited supply voltage range restricts compatibility with higher voltage systems. - TSSOP package may require careful handling during assembly.

Working Principles

The 74LCX08TTR is based on complementary metal-oxide-semiconductor (CMOS) technology. It consists of four independent 2-input AND gates. Each gate performs a logical AND operation on its two input signals and produces an output signal. The Schmitt trigger inputs ensure reliable operation by providing hysteresis and noise immunity. The balanced propagation delays allow synchronous operation in complex logic circuits.

Detailed Application Field Plans

The 74LCX08TTR can be used in various applications that require logical AND operations, such as:

1. Digital Signal Processing: It can be utilized in digital filters, audio processing, and image/video compression algorithms.
2. Microcontrollers and Microprocessors: The IC can be integrated into microcontroller or microprocessor-based systems for general-purpose logic operations.
3. Communication Systems: It finds application in communication systems for data encoding/decoding, error detection/correction, and protocol implementation.
4. Industrial Automation: It can be employed in control systems, PLCs (Programmable Logic Controllers), and robotics for logical decision-making.

Detailed and Complete Alternative Models

• 74HC08: Similar quad 2-input AND gate, operates at higher voltage levels (2V to 6V).
• 74LS08: Quad 2-input AND gate with TTL (Transistor-Transistor Logic) technology, compatible with 5V systems.
• CD4081: CMOS quad 2-input AND gate, operates at a wider supply voltage range (3V to 18V).

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