74LCXH16244MTD

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics:
  • Low-voltage operation
  • High-speed performance
  • Bidirectional voltage translation
  • Wide operating voltage range
• 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 Range: 1.65V to 3.6V
• Input Voltage Range (A Port): 0V to VCC_A
• Input Voltage Range (B Port): 0V to VCC_B
• Output Voltage Range (A/B Ports): 0V to VCCA/VCCB
• Maximum Propagation Delay: 2.5ns
• Maximum Operating Frequency: 100MHz

Detailed Pin Configuration

The 74LCXH16244MTD has a total of 48 pins, which are divided into two ports: A and B. Each port consists of 24 pins. The pin configuration is as follows:

Port A: - A1 to A12: Data Input/Output Pins - A13: Output Enable (OE) Pin - A14: Direction Control (DIR) Pin - A15: Voltage Supply (VCC_A) Pin - A16: Ground (GND) Pin

Port B: - B1 to B12: Data Input/Output Pins - B13: Output Enable (OE) Pin - B14: Direction Control (DIR) Pin - B15: Voltage Supply (VCC_B) Pin - B16: Ground (GND) Pin

Functional Features

• Bidirectional Voltage Translation: Allows for seamless communication between devices operating at different voltage levels.
• High-Speed Performance: Provides fast data transmission with a maximum propagation delay of 2.5ns.
• Wide Operating Voltage Range: Supports voltage translation between 1.65V and 3.6V, making it compatible with various logic families.
• Output Enable (OE) Pin: Enables or disables the outputs, allowing for easy control of data flow.
• Direction Control (DIR) Pin: Determines the direction of data transmission, facilitating bidirectional communication.

Advantages and Disadvantages

Advantages: - Efficient voltage level translation between different logic families. - High-speed operation suitable for time-critical applications. - Compact TSSOP package allows for space-saving integration. - Wide operating voltage range enhances compatibility.

Disadvantages: - Limited to bidirectional voltage translation; not suitable for unidirectional applications. - Requires careful consideration of voltage compatibility to avoid potential damage.

Working Principles

The 74LCXH16244MTD utilizes a combination of CMOS and BiCMOS technologies to achieve efficient voltage level translation. It employs a voltage divider network and level-shifting circuitry to convert signals between different voltage domains. The OE and DIR pins control the direction and enable/disable the outputs, respectively.

Detailed Application Field Plans

The 74LCXH16244MTD finds applications in various fields where voltage translation is required. Some specific application areas include: - Microcontroller interfacing with different voltage peripherals - Communication systems involving multiple voltage domains - Data acquisition systems with mixed voltage sensors - Battery-powered devices requiring low-voltage operation

Detailed and Complete Alternative Models

• SN74LVC1T45: Unidirectional voltage level translator with similar characteristics but limited to a single channel.
• TXB0108: Bidirectional voltage-level translator with eight channels, supporting higher voltage ranges.
• PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator with automatic direction sensing.

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

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