Encyclopedia Entry: 74VCX162245MTD

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Signal Level Shifter
• Characteristics: High-speed, low-voltage, bidirectional buffer/level shifter
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transferring digital signals between devices operating at different voltage levels
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Logic Family: VCX
• Number of Channels: 16
• Input Voltage Range: 1.2V to 3.6V
• Output Voltage Range: 1.2V to 3.6V
• Propagation Delay: 2.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74VCX162245MTD IC has a total of 48 pins, divided into two groups of 24 pins each. The pin configuration is as follows:

• Group A (pins 1-24):

  • VCCB
  • B1
  • B2
  • ...
  • B22
  • B23
  • GND

• Group B (pins 25-48):

  • VCCA
  • A1
  • A2
  • ...
  • A22
  • A23
  • GND

Functional Features

• Bidirectional level shifting: Allows for seamless transfer of digital signals between devices operating at different voltage levels.
• High-speed operation: The 74VCX162245MTD can handle high-frequency signals with minimal propagation delay.
• Low-voltage compatibility: Supports voltage levels as low as 1.2V, making it suitable for modern low-power devices.
• ESD protection: Provides Electrostatic Discharge (ESD) protection to safeguard against potential damage.

Advantages and Disadvantages

Advantages: - Efficient signal level shifting between different voltage domains. - High-speed operation enables fast data transfer. - Low-voltage compatibility makes it suitable for a wide range of applications. - ESD protection ensures device reliability.

Disadvantages: - Limited number of channels (16). - Requires careful consideration of voltage compatibility to avoid damage.

Working Principles

The 74VCX162245MTD is designed to shift digital signals between devices operating at different voltage levels. It utilizes a bidirectional buffer architecture, allowing seamless communication between the input and output sides. The IC employs advanced CMOS technology to achieve high-speed operation with minimal propagation delay. By providing level shifting capabilities, it enables devices with incompatible voltage levels to communicate effectively.

Detailed Application Field Plans

The 74VCX162245MTD finds application in various fields where digital signal level shifting is required. Some common application areas include:

1. Microcontrollers and Peripherals: Facilitating communication between microcontrollers and peripheral devices operating at different voltage levels.
2. Communication Systems: Enabling signal translation between different voltage domains in communication systems, such as UART, SPI, or I2C interfaces.
3. Data Acquisition Systems: Allowing interfacing between sensors, analog-to-digital converters, and microcontrollers with varying voltage requirements.
4. Industrial Automation: Supporting voltage level conversion in industrial automation systems, where different components may operate at distinct voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit dual-supply bus transceiver with voltage level shifting 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 configurable voltage levels.

These alternative models offer similar functionality to the 74VCX162245MTD and can be considered based on specific application requirements.

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