Encyclopedia Entry: 74AVCB164245VRE4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Signal Buffer/Level Shifter
• Characteristics: High-speed, low-power, bidirectional voltage translation
• Package: 48-pin Very Thin Quad Flat No-Lead (VQFN)
• Essence: Facilitates seamless communication between devices operating at different voltage levels
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Levels: 1.2V to VCCA or 3.6V, whichever is lower
• Output Voltage Levels: 1.2V to VCCB or 3.6V, whichever is lower
• Maximum Data Rate: 400 Mbps
• Number of Channels: 16
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74AVCB164245VRE4 IC has a total of 48 pins, which are assigned as follows:

• Pins 1-8: Channel A Data Inputs/Outputs (D[7:0])
• Pins 9-16: Channel B Data Inputs/Outputs (D[15:8])
• Pins 17-24: Channel A Enable Inputs (OE[7:0])
• Pins 25-32: Channel B Enable Inputs (OE[15:8])
• Pins 33-40: Channel A Voltage Supply (VCCA)
• Pins 41-48: Channel B Voltage Supply (VCCB)

Functional Features

• Bidirectional voltage translation between two independent voltage domains (Channel A and Channel B)
• Automatic direction control based on the voltage level of each channel
• High-speed data transmission with minimal propagation delay
• Low power consumption for energy-efficient operation
• ESD protection on all inputs and outputs for enhanced reliability

Advantages and Disadvantages

Advantages: - Enables seamless communication between devices operating at different voltage levels - Supports high-speed data transmission up to 400 Mbps - Low power consumption makes it suitable for battery-powered applications - Provides ESD protection for improved reliability

Disadvantages: - Limited to 16 channels, which may not be sufficient for complex systems requiring more connections - Requires careful consideration of voltage level compatibility to avoid signal degradation or damage

Working Principles

The 74AVCB164245VRE4 is a bidirectional voltage translator designed to facilitate communication between devices operating at different voltage levels. It automatically detects the voltage level of each channel (A and B) and adjusts the direction of data flow accordingly. The IC utilizes internal circuitry to ensure fast and reliable voltage translation while minimizing signal distortion and propagation delay.

Detailed Application Field Plans

The 74AVCB164245VRE4 IC finds application in various scenarios where voltage translation is required. Some common application fields include:

1. Mixed Voltage Systems: Used in systems where different components operate at distinct voltage levels, such as microcontrollers, sensors, and memory modules.
2. Interface Conversion: Facilitates communication between devices with incompatible voltage levels, enabling seamless integration of components from different manufacturers.
3. Level Shifting: Allows interfacing between legacy systems and newer technologies that operate at different voltage standards.
4. Bus Communication: Enables voltage translation in bus-based communication protocols like I2C, SPI, or UART, where multiple devices need to communicate at different voltage levels.

Detailed and Complete Alternative Models

1. SN74AVCB164245GR - Similar functionality and specifications, available in a different package (56-pin TSSOP).
2. 74LVC164245A - Low-voltage CMOS version with comparable features, suitable for applications requiring lower voltage levels.
3. TXB0108PWR - 8-channel bidirectional voltage translator with a smaller footprint, ideal for space-constrained designs.

(Note: The above alternative models are provided as examples and may not cover the entire range of available alternatives.)

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