Encyclopedia Entry: 74ALVTH16244DLRG4

Product 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: This IC is designed to provide voltage level translation between different logic levels in digital systems.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Logic Family: ALVTH
• Number of Channels: 16
• Input Voltage Range (Vcc): 1.2V - 3.6V
• Output Voltage Range (Vcc): 1.2V - 3.6V
• Propagation Delay Time: 2.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ALVTH16244DLRG4 IC has a total of 48 pins arranged as follows:

Pin 1: GND Pin 2: A1 Pin 3: Y1 Pin 4: B1 Pin 5: G1 ... Pin 46: VCC Pin 47: Y16 Pin 48: B16

Functional Features

• Provides bidirectional voltage level translation for up to 16 channels.
• Supports high-speed data transmission with low propagation delay.
• Compatible with various logic families such as TTL, CMOS, and LVCMOS.
• Offers output enable control for each channel, allowing selective operation.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Wide input and output voltage range allows compatibility with different logic levels. - Low-voltage operation reduces power consumption. - Output enable control enhances flexibility in system design.

Disadvantages: - Limited number of channels (16) may not be sufficient for complex systems requiring more translation paths. - The TSSOP package may require careful handling during assembly due to its small size.

Working Principles

The 74ALVTH16244DLRG4 utilizes a combination of MOSFETs and CMOS technology to achieve voltage level translation. It employs a voltage divider network and level-shifting circuitry to convert signals between different logic levels. The IC operates by monitoring the input voltage levels and adjusting the output voltage accordingly, ensuring proper signal integrity and compatibility between different parts of a digital system.

Detailed Application Field Plans

The 74ALVTH16244DLRG4 is commonly used in various applications that require voltage level translation, including: - Microprocessor and microcontroller interfaces - Memory modules - Communication systems - Industrial automation - Consumer electronics

Detailed Alternative Models

• 74LVC16244A: Similar 16-bit buffer/line driver with lower voltage operation (1.65V - 3.6V).
• SN74LVCH16244A: Equivalent 16-bit buffer/line driver from Texas Instruments.
• MC74VHC1G07: Single-channel buffer with open-drain outputs.

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