74LCX162244MTDX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, bidirectional translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Logic level translation between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 100MHz
• Number of Channels: 16
• Input/Output Type: Bidirectional

Detailed Pin Configuration

The 74LCX162244MTDX has a total of 48 pins, which are distributed as follows:

• Pins 1 to 8: Channel A Data Inputs/Outputs (D1 to D8)
• Pins 9 to 16: Channel B Data Inputs/Outputs (D9 to D16)
• Pins 17 to 24: Channel C Data Inputs/Outputs (D17 to D24)
• Pins 25 to 32: Channel D Data Inputs/Outputs (D25 to D32)
• Pins 33 to 40: Channel E Data Inputs/Outputs (D33 to D40)
• Pins 41 to 48: Channel F Data Inputs/Outputs (D41 to D48)

Functional Features

• Bidirectional Translation: Allows for seamless translation of logic levels between different voltage domains.
• High-Speed Operation: Supports data rates up to 100MHz, making it suitable for high-performance applications.
• Low-Voltage Operation: Works with supply voltages as low as 1.65V, enabling compatibility with low-power systems.
• Schmitt Trigger Inputs: Provides hysteresis to improve noise immunity and signal integrity.
• ESD Protection: Incorporates built-in protection against electrostatic discharge, enhancing reliability.

Advantages and Disadvantages

Advantages: - Efficient Logic Level Translation: Enables communication between devices operating at different voltage levels. - High-Speed Performance: Supports fast data transfer rates, ensuring smooth operation in time-critical applications. - Low Power Consumption: Works with low supply voltages, reducing power consumption in portable and battery-powered devices. - Compact Package: The TSSOP package offers a small footprint, making it suitable for space-constrained designs.

Disadvantages: - Limited Voltage Range: The 74LCX162244MTDX is designed for translation between specific voltage ranges (1.65V to 3.6V), which may not cover all possible scenarios. - Sensitivity to Overvoltage: Exceeding the specified voltage range can lead to device failure or malfunction.

Working Principles

The 74LCX162244MTDX utilizes a combination of MOSFETs and level-shifting circuits to achieve logic level translation. When an input signal from one voltage domain is applied, the IC translates it to the corresponding voltage level in the target domain. This bidirectional translation allows seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74LCX162244MTDX finds applications in various fields, including:

1. Microcontrollers and Processors: Facilitates communication between microcontrollers and peripheral devices operating at different voltage levels.
2. Communication Systems: Enables level translation between different interfaces, such as UART, SPI, and I2C, ensuring compatibility between devices.
3. Industrial Automation: Allows for interfacing between control systems and sensors/actuators with varying voltage requirements.
4. Consumer Electronics: Supports voltage translation in devices like smartphones, tablets, and gaming consoles, where multiple voltage domains coexist.

Detailed and Complete Alternative Models

1. SN74LVC1T45: Single-bit level translator with a wide voltage range (1.65V to 5.5V) and compact SOT-23 package.
2. TXB0108: Eight-channel bidirectional level shifter with automatic direction sensing, supporting voltage translation between 1.2V and 3.6V.
3. PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with an adjustable voltage range from 1.2V to 5.5V.

These alternative models offer similar functionality but may have different specifications and package options.

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