SN74LVC1G139DCTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Single 2-input NAND Schmitt-trigger gate
• Package: SOT-23-5
• Essence: High-speed CMOS technology
• Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: -0.5V to VCC + 0.5V
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100 MHz
• Propagation Delay: 3.8 ns (typical)
• Low Power Consumption: 10µA (maximum)

Detailed Pin Configuration

The SN74LVC1G139DCTR has a total of 5 pins:

1. GND (Ground): Connected to the ground reference voltage.
2. A (Input): First input pin for the NAND gate.
3. B (Input): Second input pin for the NAND gate.
4. Y (Output): Output pin for the NAND gate.
5. VCC (Power): Connected to the positive supply voltage.

Functional Features

• Schmitt-trigger Inputs: Provides hysteresis for improved noise immunity.
• Wide Supply Voltage Range: Can operate from 1.65V to 5.5V, making it compatible with various systems.
• High-Speed Operation: Capable of operating at frequencies up to 100 MHz.
• Low Power Consumption: Consumes only 10µA of current, making it suitable for battery-powered applications.
• Small Package Size: The SOT-23-5 package allows for space-efficient circuit designs.

Advantages and Disadvantages

Advantages: - Improved Noise Immunity: The Schmitt-trigger inputs enhance the circuit's ability to tolerate noise. - Versatile Voltage Compatibility: The wide supply voltage range allows for use in different systems. - Compact Design: The small package size enables integration into space-constrained applications.

Disadvantages: - Limited Functionality: Being a single 2-input NAND gate, it has a specific function and may not be suitable for all logic requirements. - Propagation Delay: The propagation delay of 3.8 ns may limit its use in high-speed applications.

Working Principles

The SN74LVC1G139DCTR is a single 2-input NAND gate that utilizes high-speed CMOS technology. It operates by taking two input signals (A and B) and producing an inverted output signal (Y). The Schmitt-trigger inputs provide hysteresis, ensuring stable operation even in the presence of noise or signal fluctuations.

Detailed Application Field Plans

The SN74LVC1G139DCTR can be used in various applications, including but not limited to:

1. Digital Logic Circuits: It can be employed as a building block for constructing more complex logic functions.
2. Signal Conditioning: The Schmitt-trigger inputs make it suitable for processing analog signals with varying amplitudes.
3. Oscillators and Clock Generators: It can be utilized to generate clock signals or as part of oscillator circuits.

Detailed and Complete Alternative Models

1. SN74LVC1G00DBVR: Single 2-input NAND gate in SOT-23-5 package.
2. SN74LVC1G08DCKR: Single 2-input AND gate in SC-70-5 package.
3. SN74LVC1G86DCKR: Single 2-input XOR gate in SC-70-5 package.
4. SN74LVC1G125DCKR: Single bus buffer gate with 3-state output in SC-70-5 package.

These alternative models offer similar functionality and can be used as substitutes for the SN74LVC1G139DCTR in various applications.

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