Encyclopedia Entry: 74HCT2G02GD,125

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-Speed, Low-Power, Dual 2-Input NOR Gate
• Package: SOT353 (SC-88A)
• Essence: The 74HCT2G02GD,125 is a dual 2-input NOR gate that operates at high speed while consuming low power. It is commonly used in digital logic circuits to perform logical NOR operations.
• Packaging/Quantity: Available in tape and reel packaging with 3000 units per reel.

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +125°C
• Propagation Delay: 6 ns (typical) at 4.5V supply voltage
• Quiescent Current: 1 µA (typical) at 5.5V supply voltage

Detailed Pin Configuration

The 74HCT2G02GD,125 has a total of 5 pins: 1. Pin 1: Input A 2. Pin 2: Input B 3. Pin 3: Ground (GND) 4. Pin 4: Output Y 5. Pin 5: Supply Voltage (VCC)

Functional Features

• Dual 2-input NOR gate with Schmitt-trigger inputs
• High-speed operation allows for efficient processing of logic signals
• Low-power consumption makes it suitable for battery-powered devices
• Schmitt-trigger inputs provide hysteresis, ensuring noise immunity and stable operation

Advantages

• High-speed performance enables rapid signal processing in digital circuits
• Low-power consumption prolongs battery life in portable devices
• Schmitt-trigger inputs enhance noise immunity, ensuring reliable operation even in noisy environments

Disadvantages

• Limited number of inputs (only two) may restrict the complexity of logic operations that can be performed
• SOT353 package may require specialized equipment for soldering and handling

Working Principles

The 74HCT2G02GD,125 is based on CMOS (Complementary Metal-Oxide-Semiconductor) technology. It utilizes transistors to implement the logical NOR function. When both input A and input B are low (logic 0), the output Y is high (logic 1). In all other cases, the output Y is low (logic 0).

Detailed Application Field Plans

The 74HCT2G02GD,125 finds applications in various digital systems and electronic devices, including: - Microcontrollers and microprocessors - Communication systems - Industrial automation - Consumer electronics - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can perform similar functions to the 74HCT2G02GD,125 include: - 74HC02: Quad 2-input NOR gate - 74LS02: Quad 2-input NOR gate (TTL logic family) - CD4001: Quad 2-input NOR gate (CMOS logic family)

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