SN74LVTH16244ADGGR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit buffer/driver with 3-state outputs
• Package: TSSOP-48
• 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 Operating Frequency: 200MHz
• Number of Channels: 16
• Output Drive Capability: ±12mA
• Propagation Delay: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVTH16244ADGGR has a total of 48 pins arranged as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input/Output)
• Pin 3: Y1 (Output)
• Pin 4: A2 (Input/Output)
• Pin 5: Y2 (Output)
• ...
• Pin 48: VCC (Power Supply)

Functional Features

• Logic Level Translation: The SN74LVTH16244ADGGR is designed to translate logic levels between different voltage domains, allowing communication between devices operating at different voltage levels.
• High-Speed Operation: With a maximum operating frequency of 200MHz, this IC enables fast data transfer between different voltage domains.
• 3-State Outputs: The 16-bit buffer/driver features 3-state outputs, which allow multiple devices to share a common bus without interfering with each other.

Advantages and Disadvantages

Advantages: - Wide Supply Voltage Range: The SN74LVTH16244ADGGR can operate with a supply voltage as low as 1.65V, making it suitable for low-power applications. - High-Speed Performance: With a maximum operating frequency of 200MHz, this IC ensures efficient data transfer in high-speed systems. - 3-State Outputs: The 3-state outputs enable bus sharing and prevent bus contention issues.

Disadvantages: - Limited Output Drive Capability: The output drive capability of ±12mA may not be sufficient for driving heavily loaded circuits. - Temperature Limitations: The operating temperature range of -40°C to +85°C may restrict its use in extreme temperature environments.

Working Principles

The SN74LVTH16244ADGGR operates by receiving input signals from one voltage domain and translating them to the corresponding logic levels of another voltage domain. It utilizes a combination of MOSFETs and CMOS technology to achieve high-speed operation and low-voltage compatibility. The 3-state outputs allow the device to be connected to a shared bus, enabling bidirectional communication between devices operating at different voltage levels.

Detailed Application Field Plans

The SN74LVTH16244ADGGR is commonly used in various applications, including:

1. Microcontroller Interfacing: It facilitates communication between microcontrollers operating at different voltage levels, allowing seamless integration of multiple devices.
2. Level Shifting: It enables voltage level translation in mixed-signal systems, ensuring compatibility between digital and analog components.
3. Bus Communication: The 3-state outputs make it suitable for connecting multiple devices to a shared bus, such as in memory interfaces or communication protocols like I2C or SPI.

Detailed and Complete Alternative Models

1. SN74LVC16244A: Similar to SN74LVTH16244ADGGR but operates at a lower voltage range (1.2V to 3.6V).
2. SN74LVTH16245A: 16-bit buffer/driver with direction control, allowing bidirectional communication between voltage domains.
3. SN74AVC4T774: 4-bit level translator with integrated voltage detection and automatic direction control.

These alternative models offer similar functionality but may have different specifications or additional features to suit specific application requirements.

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