SN74AVC32T245ZKER

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifting and Voltage Translation
• Characteristics:
  • Bidirectional voltage translation between different logic levels
  • Supports mixed-mode signal operation on each port
  • Low power consumption
  • High-speed operation
• Package: 56-pin VQFN package
• Essence: This IC enables the translation of digital signals between different voltage levels, allowing compatibility between devices operating at different logic levels.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (VREF): 0V to VCCA or 0V to VCCB
• Output Voltage Range (A Port): 0V to VCCA
• Output Voltage Range (B Port): 0V to VCCB
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 4pF
• Output Capacitance: 6pF
• Propagation Delay: 2.5ns (Max)
• Rise/Fall Time: 0.8ns (Typ)

Detailed Pin Configuration

The SN74AVC32T245ZKER has a total of 56 pins, which are divided into two ports: Port A and Port B. Each port consists of 16 bidirectional I/O pins and 4 control pins. The pin configuration is as follows:

• Port A:
  • Pins 1-16: Bidirectional I/O pins (A1-A16)
  • Pins 17-20: Control pins (OE1, OE2, DIR, and VCCA)
• Port B:
  • Pins 21-36: Bidirectional I/O pins (B1-B16)
  • Pins 37-40: Control pins (OE3, OE4, DIR, and VCCB)

Functional Features

• Bidirectional Voltage Translation: The SN74AVC32T245ZKER allows for bidirectional voltage translation between different logic levels, enabling seamless communication between devices operating at different voltage levels.
• Mixed-Mode Signal Operation: Each port supports mixed-mode signal operation, allowing the simultaneous use of different voltage levels on the same port.
• Low Power Consumption: The IC is designed to minimize power consumption, making it suitable for battery-powered applications.
• High-Speed Operation: With a propagation delay of only 2.5ns, the IC ensures fast and efficient voltage translation.

Advantages and Disadvantages

Advantages: - Enables compatibility between devices with different logic levels - Supports mixed-mode signal operation - Low power consumption - High-speed operation

Disadvantages: - Limited number of I/O pins (16 per port) - Requires careful consideration of voltage level compatibility

Working Principles

The SN74AVC32T245ZKER utilizes a combination of MOSFETs and control circuitry to achieve bidirectional voltage translation. The control pins (OE1, OE2, OE3, OE4, and DIR) are used to control the direction of data flow and enable/disable the I/O pins. The IC operates by monitoring the input voltage levels and translating them to the appropriate output voltage levels based on the selected direction.

Detailed Application Field Plans

The SN74AVC32T245ZKER is widely used in various applications that require level shifting and voltage translation. Some of the common application fields include:

1. Communication Systems: The IC facilitates communication between devices operating at different logic levels, making it suitable for use in protocols such as UART, SPI, and I2C.
2. Industrial Automation: It is used in industrial control systems to interface between different voltage domains, ensuring compatibility and reliable data transfer.
3. Consumer Electronics: The IC finds applications in devices such as smartphones, tablets, and gaming consoles, where it enables communication between components operating at different voltage levels.
4. Automotive Electronics: It is utilized in automotive systems to enable voltage translation between various subsystems, ensuring seamless operation and compatibility.

Detailed and Complete Alternative Models

1. SN74AVC32T245ZKERG4
2. SN74AVC32T245ZKFR
3. SN74AVC32T245ZKFRE4
4. SN74AVC32T245ZKFRG4
5. SN74AVC32T245ZKRG4

These alternative models offer similar functionality and characteristics to the SN74AVC32T245ZKER, providing options for different package types or additional features based on specific application requirements.

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