SN74LVT162244AZRDR

Product Overview

• Category: Integrated Circuit
• Use: Logic Level Translator
• Characteristics: Low Voltage, High-Speed, 16-Bit Buffer/Driver with 3-State Outputs
• Package: 48-pin BGA (Ball Grid Array)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Input Current: ±50mA
• Maximum Output Current: ±32mA
• Propagation Delay: 2.5ns (Max) at 3.3V
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVT162244AZRDR has a total of 48 pins, which are divided into four groups:

• Group A (pins 1-12): Inputs (A1-A12) and Outputs (Y1-Y12)
• Group B (pins 13-24): Inputs (A13-A24) and Outputs (Y13-Y24)
• Group C (pins 25-36): Inputs (G1-G12) and Outputs (Y25-Y36)
• Group D (pins 37-48): Inputs (G13-G24) and Outputs (Y37-Y48)

Functional Features

• Bidirectional voltage translation between two independent voltage domains
• Supports both push-pull and open-drain output configurations
• 3-state outputs allow multiple devices to share a common bus
• Provides automatic direction control based on the voltage level of the control inputs (G1-G24)
• Low power consumption and high-speed operation

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - 3-state outputs facilitate bus sharing among multiple devices - Automatic direction control simplifies system design

Disadvantages: - Limited number of input/output channels (48 in total) - Requires careful consideration of voltage levels to avoid signal distortion - Relatively small package size may pose challenges for manual soldering

Working Principles

The SN74LVT162244AZRDR is designed to translate logic levels between two different voltage domains. It uses a combination of CMOS and BiCMOS technologies to achieve low power consumption and high-speed operation. The device automatically detects the voltage level of the control inputs (G1-G24) to determine the direction of data flow.

When the control inputs are at a high voltage level, the device acts as a buffer, allowing data to pass from the A inputs to the Y outputs. Conversely, when the control inputs are at a low voltage level, the device functions as a driver, enabling data transmission from the Y inputs to the A outputs.

Detailed Application Field Plans

The SN74LVT162244AZRDR is commonly used in various applications that require logic level translation between different voltage domains. Some typical application fields include:

1. Microcontroller interfacing: Allows communication between microcontrollers operating at different voltage levels.
2. Memory modules: Facilitates data transfer between memory chips with varying voltage requirements.
3. Communication interfaces: Enables compatibility between devices using different logic voltage standards, such as TTL and CMOS.
4. Industrial automation: Supports bidirectional data exchange between control systems and peripheral devices.

Detailed and Complete Alternative Models

1. SN74LVC162244A: Similar to SN74LVT162244AZRDR but operates at a lower voltage range (1.2V to 3.6V).
2. SN74LVTH162244: Offers similar functionality with lower power consumption and higher output drive strength.
3. SN74AVC162244: Provides voltage translation capability with enhanced ESD protection features.

These alternative models offer similar logic level translation capabilities but may have different specifications, package options, or additional features depending on the specific requirements of the application.

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