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74ALVCH16245DLG4
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Encyclopedia Entry: 74ALVCH16245DLG4

Product Overview

Category

The 74ALVCH16245DLG4 belongs to the category of integrated circuits (ICs) and specifically falls under the family of bus transceivers.

Use

This IC is primarily used for bidirectional data communication between two buses with different voltage levels. It acts as a buffer, allowing seamless data transfer between these buses.

Characteristics

  • Bidirectional data flow
  • Supports voltage level translation
  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Robust ESD protection

Package

The 74ALVCH16245DLG4 is available in a dual in-line package (DIP) or a surface mount package (SMD). The package type is 48-pin TSSOP (Thin Shrink Small Outline Package).

Essence

The essence of this IC lies in its ability to facilitate efficient and reliable data transfer between buses operating at different voltage levels.

Packaging/Quantity

The 74ALVCH16245DLG4 is typically packaged in reels or tubes, containing a quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: -0.5V to VCC + 0.5V
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to 85°C
  • Maximum Data Rate: 400 Mbps

Detailed Pin Configuration

The 74ALVCH16245DLG4 has a total of 48 pins, which are assigned specific functions. Here is a detailed pin configuration:

(Pin Number - Pin Name - Function) 1 - OE\ - Output Enable Input 2-25 - A1-A24 - Data Bus A Inputs/Outputs 26 - GND - Ground 27-48 - B1-B22 - Data Bus B Inputs/Outputs 49 - VCC - Supply Voltage

Functional Features

  • Bidirectional data transfer between buses A and B
  • Automatic direction control based on the OE\ (Output Enable) input
  • Voltage level translation between different voltage domains
  • High-speed operation for efficient data transfer
  • ESD protection to safeguard against electrostatic discharge

Advantages and Disadvantages

Advantages

  • Enables seamless communication between buses with different voltage levels
  • Supports high-speed data transfer
  • Low power consumption enhances energy efficiency
  • Wide operating voltage range allows compatibility with various systems
  • Robust ESD protection ensures reliability in harsh environments

Disadvantages

  • Limited number of data lines (24 in this case)
  • Requires careful consideration of voltage compatibility between buses

Working Principles

The 74ALVCH16245DLG4 operates by receiving data from one bus (A) and transmitting it to another bus (B), or vice versa. The direction of data flow is controlled by the OE\ input. When OE\ is low, the IC is enabled, allowing bidirectional data transfer. When OE\ is high, the IC is disabled, effectively isolating the two buses.

Voltage level translation is achieved through internal circuitry that adapts the input/output voltage levels of each bus to ensure compatibility between them.

Detailed Application Field Plans

The 74ALVCH16245DLG4 finds applications in various fields where bidirectional data communication between buses with different voltage levels is required. Some specific application areas include:

  1. Industrial Automation: Facilitating communication between different subsystems operating at varying voltage levels.
  2. Automotive Electronics: Enabling data exchange between different vehicle systems with distinct voltage requirements.
  3. Telecommunications: Supporting data transmission between network equipment operating at different voltage domains.
  4. Consumer Electronics: Integrating multiple devices with varying voltage levels, such as smartphones, tablets, and peripherals.

Detailed and Complete Alternative Models

  1. 74ALVC16245A: Similar bidirectional bus transceiver IC with a smaller package size (24-pin TSSOP).
  2. SN74LVC16245A: Equivalent IC from Texas Instruments with comparable specifications and pin configuration.
  3. MC74VHC245: Alternative bus transceiver IC with higher voltage compatibility and wider operating temperature range.

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

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi 74ALVCH16245DLG4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of 74ALVCH16245DLG4 in technical solutions:

  1. Q: What is the function of the 74ALVCH16245DLG4? A: The 74ALVCH16245DLG4 is a 16-bit bus transceiver with 3-state outputs, designed for low-voltage applications.

  2. Q: What is the operating voltage range of the 74ALVCH16245DLG4? A: The operating voltage range of the 74ALVCH16245DLG4 is typically between 1.65V and 3.6V.

  3. Q: Can the 74ALVCH16245DLG4 be used as a level shifter? A: Yes, the 74ALVCH16245DLG4 can be used as a level shifter to convert signals between different voltage levels.

  4. Q: How many channels does the 74ALVCH16245DLG4 have? A: The 74ALVCH16245DLG4 has 16 bidirectional channels.

  5. Q: What is the maximum data rate supported by the 74ALVCH16245DLG4? A: The 74ALVCH16245DLG4 supports a maximum data rate of up to 400 Mbps.

  6. Q: Can the 74ALVCH16245DLG4 be used in high-speed applications? A: Yes, the 74ALVCH16245DLG4 is suitable for high-speed applications due to its fast propagation delay and transition times.

  7. Q: Does the 74ALVCH16245DLG4 have built-in ESD protection? A: Yes, the 74ALVCH16245DLG4 has built-in ESD protection to safeguard against electrostatic discharge.

  8. Q: Can the 74ALVCH16245DLG4 be used in both parallel and serial communication systems? A: Yes, the 74ALVCH16245DLG4 can be used in both parallel and serial communication systems, depending on the application requirements.

  9. Q: What is the power supply current consumption of the 74ALVCH16245DLG4? A: The power supply current consumption of the 74ALVCH16245DLG4 is typically low, making it suitable for power-sensitive applications.

  10. Q: Is the 74ALVCH16245DLG4 compatible with other logic families? A: Yes, the 74ALVCH16245DLG4 is compatible with a wide range of logic families, including TTL, CMOS, and LVCMOS.

Please note that these answers are general and may vary based on specific datasheet specifications and application requirements.