Texas Instruments
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SN74ABT823NSR
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SN74ABT823NSR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power, bidirectional voltage translation
  • Package: 20-pin small-outline integrated circuit (SOIC)
  • Essence: Translates signals between different voltage levels in digital systems
  • Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • Input Voltage Range: 0 V to VCC
  • Output Voltage Range: 0 V to VCC
  • Maximum Operating Frequency: 100 MHz
  • Propagation Delay Time: 4.1 ns
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ABT823NSR has a total of 20 pins. The pin configuration is as follows:

  1. OE1 (Output Enable 1)
  2. A1 (Input/Output A1)
  3. B1 (Input/Output B1)
  4. GND (Ground)
  5. B2 (Input/Output B2)
  6. A2 (Input/Output A2)
  7. OE2 (Output Enable 2)
  8. VCC (Supply Voltage)
  9. B3 (Input/Output B3)
  10. A3 (Input/Output A3)
  11. B4 (Input/Output B4)
  12. A4 (Input/Output A4)
  13. B5 (Input/Output B5)
  14. A5 (Input/Output A5)
  15. B6 (Input/Output B6)
  16. A6 (Input/Output A6)
  17. B7 (Input/Output B7)
  18. A7 (Input/Output A7)
  19. B8 (Input/Output B8)
  20. A8 (Input/Output A8)

Functional Features

  • Bidirectional voltage translation between two different voltage levels
  • High-speed operation with low propagation delay time
  • Supports voltage level translation from 2 V to 5.5 V
  • Output enable control for each direction of translation
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient signal translation in digital systems - Wide supply voltage range enables compatibility with various devices - ESD protection ensures reliability and durability

Disadvantages: - Limited to bidirectional voltage translation, not suitable for unidirectional applications - Propagation delay time may affect timing-sensitive systems

Working Principles

The SN74ABT823NSR is designed to translate signals between two different voltage levels in digital systems. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage translation. The input signals are received on the A1-A8 and B1-B8 pins, and the translated output signals are available on the same pins. The OE1 and OE2 pins control the output enable function for each direction of translation.

Detailed Application Field Plans

The SN74ABT823NSR can be used in various applications that require voltage level translation, such as:

  1. Microcontrollers interfacing with different logic families
  2. Communication systems involving multiple voltage domains
  3. Data acquisition systems with mixed voltage interfaces
  4. Industrial automation and control systems
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. SN74LVC4245APWR: Octal Bus Transceiver with 3-State Outputs
  2. SN74HCT125N: Quadruple Bus Buffer Gates with 3-State Outputs
  3. SN74LVCH245APW: Octal Bus Transceiver with 3-State Outputs
  4. SN74LVC1T45DBVR: Single Bit Dual-Supply Bus Transceiver

These alternative models offer similar functionality and can be considered as alternatives to the SN74ABT823NSR based on specific application requirements.

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Перелічіть 10 типових запитань і відповідей, пов’язаних із застосуванням SN74ABT823NSR у технічних рішеннях

Sure! Here are 10 common questions and answers related to the application of SN74ABT823NSR:

  1. Q: What is SN74ABT823NSR? A: SN74ABT823NSR is a specific type of integrated circuit (IC) that functions as an octal buffer/line driver with 3-state outputs.

  2. Q: What is the purpose of SN74ABT823NSR? A: The purpose of SN74ABT823NSR is to provide buffering and line driving capabilities for digital signals in various technical solutions.

  3. Q: What voltage levels does SN74ABT823NSR support? A: SN74ABT823NSR supports a wide range of voltage levels, typically between 2V and 5.5V.

  4. Q: How many inputs and outputs does SN74ABT823NSR have? A: SN74ABT823NSR has 8 inputs and 8 outputs, making it an octal buffer/line driver.

  5. Q: Can SN74ABT823NSR handle bidirectional communication? A: No, SN74ABT823NSR is a unidirectional buffer/line driver, meaning it can only drive signals in one direction.

  6. Q: What is the maximum output current of SN74ABT823NSR? A: SN74ABT823NSR can source or sink up to 32mA of current per output pin.

  7. Q: Is SN74ABT823NSR compatible with TTL logic levels? A: Yes, SN74ABT823NSR is designed to be compatible with both TTL and CMOS logic levels.

  8. Q: Can SN74ABT823NSR be used in high-speed applications? A: Yes, SN74ABT823NSR is capable of operating at high speeds, with typical propagation delays in the nanosecond range.

  9. Q: Does SN74ABT823NSR have any built-in protection features? A: Yes, SN74ABT823NSR has built-in ESD (electrostatic discharge) protection to safeguard against static electricity damage.

  10. Q: What are some common applications for SN74ABT823NSR? A: SN74ABT823NSR can be used in various technical solutions, such as data communication systems, memory interfaces, bus drivers, and address decoding circuits.

Please note that these answers are general and may vary depending on specific use cases and requirements.