SN74LVTH245ARGYR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Level Shifter and Bus Transceiver
• Characteristics: High-speed, low-voltage, and low-power consumption
• Package: 48-pin VQFN package
• Essence: Bi-directional voltage level translator
• Packaging/Quantity: Tape and reel packaging, available in quantities of 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
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 2.5ns (Max)
• Output Drive Capability: ±12mA
• ESD Protection: Human Body Model > 2000V

Detailed Pin Configuration

The SN74LVTH245ARGYR has a total of 48 pins, which are distributed as follows:

• Pins 1 to 24: A-side data bus (inputs/outputs)
• Pins 25 to 48: B-side data bus (inputs/outputs)
• Pin 25: OE (Output Enable) pin
• Pin 26: DIR (Direction Control) pin
• Pins 27 to 48: GND (Ground)
• Pins 1 to 24: VCC (Power Supply)

Functional Features

• Bi-directional voltage level translation between two different voltage domains.
• Allows bidirectional communication between devices operating at different voltage levels.
• Supports both 3.3V and 2.5V logic families.
• Provides automatic direction control based on the DIR pin.
• Enables or disables the outputs using the OE pin.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Low-voltage operation reduces power consumption. - Bi-directional capability simplifies system design. - Wide supply voltage range enhances compatibility.

Disadvantages: - Limited output drive capability may not be suitable for high-current applications. - Requires careful consideration of voltage level compatibility between input and output domains.

Working Principles

The SN74LVTH245ARGYR is a bidirectional level shifter that translates signals between two different voltage domains. It uses a combination of CMOS and TTL logic to achieve high-speed operation while consuming low power. The direction of data flow is controlled by the DIR pin, and the OE pin enables or disables the outputs. The device operates within a specified supply voltage range and provides ESD protection to ensure reliability.

Detailed Application Field Plans

The SN74LVTH245ARGYR is commonly used in various applications, including:

1. Communication Systems: Facilitates signal translation between different voltage levels in communication interfaces such as UART, SPI, and I2C.
2. Embedded Systems: Enables communication between microcontrollers operating at different voltage levels.
3. Industrial Automation: Allows interfacing between control systems and sensors/actuators with varying voltage requirements.
4. Automotive Electronics: Supports voltage level translation in automotive communication protocols like CAN and LIN.
5. Consumer Electronics: Used in devices requiring level shifting, such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC245A: Similar functionality but operates at a lower voltage range (1.65V to 3.6V).
2. SN74AVC4T245: Four-channel level shifter with bi-directional translation capability.
3. TXB0108: Eight-channel voltage level translator with automatic direction control.

These alternative models offer similar features and can be considered based on specific application requirements.

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