74LCX16500MTDX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, 16-bit bidirectional level shifter
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The 74LCX16500MTDX is a versatile logic level shifter designed to convert signals between different voltage levels in digital systems.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Number of Bits: 16
• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 200MHz
• Propagation Delay: 2.5ns (typical)
• Input/Output Capacitance: 4pF (typical)

Detailed Pin Configuration

The 74LCX16500MTDX has a total of 48 pins, which are divided into four groups:

• Group A (pins 1-12): Data Inputs (D0-D11)
• Group B (pins 13-24): Data Outputs (Q0-Q11)
• Group C (pins 25-36): Enable Inputs (G1, G2)
• Group D (pins 37-48): Voltage Supply and Ground (VCC, GND)

Functional Features

• Bidirectional Level Shifting: The IC can shift signals bidirectionally between two voltage domains, allowing seamless communication between devices operating at different voltage levels.
• High-Speed Operation: With a maximum operating frequency of 200MHz, the 74LCX16500MTDX enables fast data transfer in high-performance digital systems.
• Low-Voltage Operation: The IC supports low-voltage operation, making it suitable for use in battery-powered devices and other low-power applications.
• ESD Protection: The device incorporates built-in electrostatic discharge (ESD) protection, safeguarding the circuit against damage from static electricity.

Advantages and Disadvantages

Advantages: - Versatile level shifting capabilities - High-speed operation - Low-voltage compatibility - ESD protection

Disadvantages: - Limited to 16-bit data width - Requires external enable signals for bidirectional operation

Working Principles

The 74LCX16500MTDX utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional level shifting. It employs a voltage translation technique that allows signals to be shifted between two voltage domains while maintaining signal integrity and minimizing propagation delay.

Detailed Application Field Plans

The 74LCX16500MTDX is commonly used in various digital systems where there is a need to interface components operating at different voltage levels. Some typical application fields include:

1. Microcontroller Interfacing: The IC can be used to connect microcontrollers operating at different voltage levels, enabling communication between them.
2. Memory Interfaces: It can be employed in memory modules to facilitate data transfer between memory devices operating at different voltage domains.
3. Communication Systems: The IC finds applications in communication systems, such as UART (Universal Asynchronous Receiver-Transmitter) interfaces, where voltage level conversion is required.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-bit level shifter with similar characteristics and package.
2. TXB0108PWR: Eight-bit bidirectional level shifter with higher data width capability.
3. PCA9306DCUR: Dual bidirectional level shifter with integrated I2C bus voltage-level translation.

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

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