Encyclopedia Entry: 74VCX162601MTDX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, bidirectional translation between different logic levels
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage level shifting and signal translation
• Packaging/Quantity: Available in reels of 2500 units

Specifications

The 74VCX162601MTDX is a logic level translator IC designed for high-speed bidirectional voltage level shifting. It operates at low voltages, making it suitable for use in various digital systems. The key specifications of this IC are as follows:

• Supply Voltage Range: 1.2V to 3.6V
• Logic Voltage Levels: Compatible with both 1.8V and 3.3V systems
• Number of Channels: 20 channels
• Propagation Delay: Typically 2.5 ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74VCX162601MTDX features a 56-pin TSSOP package. The pin configuration is as follows:

Pin 1: VCCA Pin 2: A1 Pin 3: A2 ... Pin 55: B19 Pin 56: VCCB

Functional Features

• Bidirectional Translation: The IC allows for seamless translation of signals between two different logic voltage levels.
• High-Speed Operation: With a propagation delay of only 2.5 ns, it ensures fast and efficient signal translation.
• Low-Voltage Compatibility: Supports both 1.8V and 3.3V logic voltage levels, enabling compatibility with a wide range of systems.
• Noise Immunity: The IC incorporates noise filtering techniques, ensuring reliable signal translation even in noisy environments.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient signal translation in time-critical applications. - Wide supply voltage range allows compatibility with various digital systems. - Bidirectional translation simplifies the design of systems with mixed logic voltage levels.

Disadvantages: - Limited number of channels may restrict its use in complex systems with a large number of signals. - Requires careful consideration of voltage level compatibility to avoid potential signal integrity issues.

Working Principles

The 74VCX162601MTDX utilizes a combination of MOSFET-based level shifting circuits to achieve bidirectional voltage translation. It employs a voltage divider network and level-shifting transistors to ensure proper signal translation between different logic voltage levels. The IC's internal circuitry is designed to minimize propagation delay and maintain signal integrity during translation.

Detailed Application Field Plans

The 74VCX162601MTDX finds application in various digital systems where voltage level translation is required. Some common application fields include:

1. Mixed Voltage Systems: Enables seamless communication between microcontrollers operating at different logic voltage levels.
2. Interface Translation: Facilitates communication between devices with incompatible logic voltage levels, such as sensors and microprocessors.
3. Battery-Powered Devices: Suitable for low-power applications where efficient voltage level translation is essential.
4. Communication Protocols: Used in systems employing different logic voltage standards, such as UART, I2C, or SPI interfaces.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with voltage level translation capabilities.
2. TXB0108PWR: Eight-channel bi-directional voltage-level translator with automatic direction sensing.
3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator with automatic direction sensing.

These alternative models offer similar functionality and can be considered as alternatives to the 74VCX162601MTDX based on specific application requirements.

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