Encyclopedia Entry: 74LVTH16244ADGGRG4

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 16-bit buffer/line driver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: LVTH
• Number of Bits: 16
• Input Voltage Range: 1.2V to 3.6V
• Output Voltage Range: 1.65V to 5.5V
• Propagation Delay: 3.8ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74LVTH16244ADGGRG4 IC has a total of 48 pins. The pin configuration is as follows:

• Pins 1 to 24: A1 to A24 (Inputs/Outputs for Port A)
• Pins 25 to 48: B1 to B24 (Inputs/Outputs for Port B)

Functional Features

• Provides bidirectional voltage level translation between two independent voltage domains
• Supports high-speed data transmission with minimal propagation delay
• Offers 3-state outputs for easy bus sharing and interfacing
• Features ESD protection on all inputs and outputs for enhanced reliability
• Low power consumption and wide operating voltage range make it suitable for various applications

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Wide input/output voltage range allows compatibility with different systems - ESD protection ensures robustness against electrostatic discharge - 3-state outputs facilitate bus sharing and interfacing

Disadvantages: - Limited number of bits (16) may not be suitable for applications requiring larger data buses - TSSOP package may require careful handling during assembly to prevent damage

Working Principles

The 74LVTH16244ADGGRG4 is a logic level translator that operates by converting signals between two voltage domains. It uses a combination of input buffers, output drivers, and control circuitry to achieve bidirectional voltage translation. The IC detects the voltage levels of the input signals and translates them to the corresponding voltage levels in the output domain. This allows seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LVTH16244ADGGRG4 IC finds application in various fields where voltage level translation is required. Some specific application areas include:

1. Microcontroller Interfacing: The IC can be used to interface microcontrollers operating at different voltage levels, enabling communication between different systems.
2. Mixed Voltage Systems: It is suitable for systems that utilize components with different voltage requirements, such as mixed-voltage FPGA designs or multi-voltage sensor networks.
3. Communication Interfaces: The IC can be employed in serial communication interfaces like UART, SPI, or I2C, where voltage level translation is necessary to ensure compatibility between devices.
4. Industrial Automation: It can be utilized in industrial automation systems to bridge the gap between sensors/actuators operating at different voltage levels.

Detailed and Complete Alternative Models

1. SN74LVC4245A: 8-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs.
2. TXB0108: 8-bit bidirectional voltage-level translator with automatic direction sensing and integrated pull-up resistors.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with automatic direction sensing.

These alternative models offer similar functionality and can be considered as alternatives to the 74LVTH16244ADGGRG4 based on specific application requirements.

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