SN74LVTH16501DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, 18-bit universal bus transceiver
• Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in digital systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.7V 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: 4.5ns (Max)
• Output Current: ±12mA
• ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The SN74LVTH16501DLR has a total of 56 pins, which are divided into various functional groups:

1. VCC: Positive power supply pin
2. GND: Ground pin
3. OE#: Output Enable pin (active low)
4. DIR: Direction control pin
5. A1-A18: Data input/output pins
6. B1-B18: Data input/output pins
7. Y1-Y18: Data output/input pins

Functional Features

• Bidirectional voltage translation between 2.7V and 3.6V systems
• Supports both push-pull and open-drain outputs
• 3-state outputs for bus-oriented applications
• Provides direction control for data flow management
• Low power consumption
• High-speed operation

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Fast propagation delay time enables high-speed data transmission - 3-state outputs facilitate bus sharing and reduce conflicts

Disadvantages: - Limited to voltage translation between 2.7V and 3.6V systems - Not suitable for applications requiring translation between different voltage ranges

Working Principles

The SN74LVTH16501DLR utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. It employs level-shifting techniques to ensure proper signal transfer between systems operating at different voltage levels. The direction control pin (DIR) determines the data flow direction, while the output enable pin (OE#) enables or disables the outputs.

Detailed Application Field Plans

The SN74LVTH16501DLR is commonly used in various digital systems where voltage translation is required. Some application fields include:

1. Microcontrollers: Facilitates communication between microcontrollers operating at different voltage levels.
2. Communication Interfaces: Enables signal translation between different voltage domains in UART, SPI, I2C, and other serial communication interfaces.
3. Memory Systems: Allows interfacing between memory modules with varying voltage requirements.
4. Industrial Automation: Used in PLCs (Programmable Logic Controllers) and industrial control systems for voltage level conversion.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit Bidirectional Voltage-Level Translator
2. PCA9306DCTR: Dual Bidirectional I2C-Bus and SMBus Voltage-Level Translator
3. SN74LVC1T45DBVR: Single Bit Dual Supply Bus Transceiver

These alternative models offer similar functionality and can be considered as alternatives to the SN74LVTH16501DLR based on specific application requirements.

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