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SN74ALVTH16821GR
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SN74ALVTH16821GR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-voltage, 18-bit bus transceiver
  • Package: 56-pin TSSOP (Thin Shrink Small Outline Package)
  • Essence: Translates signals between different voltage levels in electronic systems
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 2.5ns (max)
  • Output Drive Strength: ±24mA
  • ESD Protection: >2000V (Human Body Model)

Detailed Pin Configuration

The SN74ALVTH16821GR has a total of 56 pins. The pin configuration is as follows:

  1. OE1 (Output Enable Input 1)
  2. A1-A18 (Data Inputs/Outputs)
  3. GND (Ground)
  4. B1-B18 (Data Inputs/Outputs)
  5. VCC (Power Supply)
  6. OE2 (Output Enable Input 2)

...

Functional Features

  • Bidirectional voltage level translation between two independent buses
  • Supports both 3.3V and 2.5V systems
  • Provides non-inverting translation with 3-state outputs
  • Allows direct interfacing between different logic families

Advantages

  • High-speed operation allows for efficient data transfer
  • Low-voltage operation reduces power consumption
  • Wide supply voltage range enables compatibility with various systems
  • 3-state outputs provide flexibility in bus sharing applications

Disadvantages

  • Limited to 18-bit bus translation, may not be suitable for larger systems
  • Requires careful consideration of input and output voltage levels to avoid signal distortion

Working Principles

The SN74ALVTH16821GR utilizes a combination of CMOS and BiCMOS technologies to achieve bidirectional voltage level translation. It employs a voltage divider network and level-shifting circuitry to ensure proper signal translation between different voltage domains.

Detailed Application Field Plans

The SN74ALVTH16821GR is commonly used in various applications where voltage level translation is required. Some specific application fields include:

  1. Microcontrollers interfacing with different peripheral devices
  2. Communication systems involving multiple voltage domains
  3. Data acquisition systems with mixed-voltage sensors
  4. Industrial automation and control systems

Detailed and Complete Alternative Models

  1. SN74LVC1T45DBVR - Single-Bit Dual-Supply Bus Transceiver
  2. SN74AVC4T245PW - Quad-Bit Level Shifter and Translator
  3. SN74LVCH16244ADGGR - 16-Bit Buffer/Driver with 3-State Outputs

These alternative models offer similar functionality and can be considered as alternatives to the SN74ALVTH16821GR based on specific requirements and system constraints.

In conclusion, the SN74ALVTH16821GR is a high-speed, low-voltage logic level translator IC that enables bidirectional voltage level translation between different electronic systems. Its wide supply voltage range, efficient operation, and flexibility make it suitable for various applications in different industries.

Maglista ng 10 karaniwang tanong at sagot na nauugnay sa aplikasyon ng SN74ALVTH16821GR sa mga teknikal na solusyon

Sure! Here are 10 common questions and answers related to the application of SN74ALVTH16821GR:

1. What is SN74ALVTH16821GR? SN74ALVTH16821GR is a high-performance, low-voltage, 20-bit universal bus driver with 3-state outputs. It is commonly used in digital systems for driving data buses.

2. What is the operating voltage range of SN74ALVTH16821GR? SN74ALVTH16821GR operates at a voltage range of 1.65V to 3.6V, making it suitable for low-power applications.

3. How many bits can SN74ALVTH16821GR drive? SN74ALVTH16821GR can drive up to 20 bits, making it ideal for applications requiring a large number of data lines.

4. What is the maximum output current of SN74ALVTH16821GR? The maximum output current per channel of SN74ALVTH16821GR is typically 12mA, ensuring reliable signal transmission.

5. Can SN74ALVTH16821GR be used for bidirectional communication? Yes, SN74ALVTH16821GR supports bidirectional communication as it has separate input and output ports for each bit.

6. Does SN74ALVTH16821GR have built-in ESD protection? Yes, SN74ALVTH16821GR has built-in ESD protection, which helps safeguard the device from electrostatic discharge events.

7. What is the propagation delay of SN74ALVTH16821GR? The propagation delay of SN74ALVTH16821GR is typically around 2.8ns, ensuring fast and efficient data transmission.

8. Can SN74ALVTH16821GR be cascaded to drive more than 20 bits? Yes, multiple SN74ALVTH16821GR devices can be cascaded together to drive more than 20 bits in a digital system.

9. Is SN74ALVTH16821GR compatible with other logic families? SN74ALVTH16821GR is designed to be compatible with both TTL and CMOS logic families, making it versatile for various applications.

10. What are the typical applications of SN74ALVTH16821GR? SN74ALVTH16821GR is commonly used in applications such as data storage systems, networking equipment, industrial automation, and telecommunications, where high-speed and low-voltage operation is required.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.