Encyclopedia Entry: 74AVCAH164245VRG4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Signal Buffer/Driver
• Characteristics: High-speed, low-power, voltage-level translation
• Package: 48-pin Very Thin Quad Flat No-Lead (VQFN)
• Essence: The 74AVCAH164245VRG4 is a voltage-level translator IC designed to provide bidirectional level shifting between two different voltage domains.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (A Port): 0V to VCCA + 0.5V
• Input Voltage Range (B Port): 0V to VCCB + 0.5V
• Output Voltage Range (A/B Ports): 0V to VCCA/VCCB
• Maximum Data Rate: 400 Mbps
• Propagation Delay: 2.8 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74AVCAH164245VRG4 has a total of 48 pins, divided into two ports (A and B) with 24 pins each. The pin configuration is as follows:

• Port A Pins (A1-A24): These pins are used for input/output signals in the A voltage domain.
• Port B Pins (B1-B24): These pins are used for input/output signals in the B voltage domain.
• VCCA (Pin 25): Power supply pin for the A voltage domain.
• VCCB (Pin 48): Power supply pin for the B voltage domain.
• GND (Pins 26, 47): Ground pins.

Functional Features

• Bidirectional voltage-level translation between two voltage domains.
• Supports high-speed data transmission up to 400 Mbps.
• Low power consumption for energy-efficient operation.
• Provides automatic direction control based on the input signal.
• Supports hot insertion and removal without causing bus contention.

Advantages and Disadvantages

Advantages: - Enables seamless communication between different voltage domains. - High-speed performance allows for efficient data transfer. - Low power consumption helps in reducing overall system energy usage. - Automatic direction control simplifies system design.

Disadvantages: - Limited to voltage-level translation and does not provide other functionalities. - May require additional components for voltage regulation and protection.

Working Principles

The 74AVCAH164245VRG4 utilizes a combination of level-shifting circuitry and bidirectional buffers to achieve voltage-level translation. The direction of translation is automatically determined based on the input signal. When an input signal is detected on one side, the IC translates it to the corresponding voltage level on the other side. This enables seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74AVCAH164245VRG4 finds applications in various fields where voltage-level translation is required. Some of the common application areas include:

1. Embedded Systems: Used in microcontroller-based systems to interface with peripherals operating at different voltage levels.
2. Communication Interfaces: Facilitates level shifting between different communication protocols, such as UART, SPI, I2C, etc.
3. Industrial Automation: Enables communication between sensors, actuators, and control units operating at different voltage domains.
4. Consumer Electronics: Used in devices like smartphones, tablets, and gaming consoles to interface with external peripherals.
5. Automotive Electronics: Facilitates voltage-level translation in automotive systems, such as infotainment systems and control modules.

Detailed and Complete Alternative Models

1. SN74AVCAH164245GRG4: Similar voltage-level translator IC with the same pin configuration and characteristics.
2. 74LVC245A: Octal bus transceiver with similar bidirectional level-shifting capabilities but different pin configuration.
3. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction control and smaller package size.

(Note: This entry has a total of 527 words)