Texas Instruments
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SN74ABTH245N
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SN74ABTH245N

Product Overview

Category

SN74ABTH245N belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for level shifting and bus transceiver applications.

Characteristics

  • High-speed, low-power CMOS technology
  • 8-bit bidirectional voltage-level translator
  • Compatible with TTL, LVTTL, and LVCMOS logic levels
  • Non-inverting outputs
  • 3-state outputs for bus-oriented applications
  • Schmitt-trigger inputs for noise immunity
  • Available in various package options

Package

SN74ABTH245N is available in a standard 20-pin plastic dual in-line package (PDIP).

Essence

The essence of SN74ABTH245N lies in its ability to provide bidirectional voltage-level translation between different logic levels.

Packaging/Quantity

SN74ABTH245N is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

  • Supply Voltage: 2.3V 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 Propagation Delay: 4.5ns
  • Maximum Output Current: ±12mA

Detailed Pin Configuration

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

Functional Features

  • Bidirectional voltage-level translation
  • Non-inverting outputs for direct signal propagation
  • 3-state outputs for bus-oriented applications
  • Schmitt-trigger inputs for improved noise immunity
  • Wide operating voltage range for compatibility with various logic levels

Advantages and Disadvantages

Advantages

  • High-speed operation
  • Low power consumption
  • Compatibility with TTL, LVTTL, and LVCMOS logic levels
  • Noise-immune design

Disadvantages

  • Limited number of input/output channels (8-bit)

Working Principles

SN74ABTH245N operates by receiving data from one set of pins (A1-A8) and transmitting it to another set of pins (B1-B8) or vice versa. The direction of data transmission is controlled by the DIR pin. The OE pin enables or disables the output drivers. The IC utilizes CMOS technology to achieve high-speed and low-power operation.

Detailed Application Field Plans

SN74ABTH245N finds applications in various fields, including but not limited to: - Microcontroller interfacing - Level shifting between different logic families - Bus transceiver systems - Data communication networks - Industrial automation

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to SN74ABTH245N are: - SN74LVC245A - SN74LVCH245A - SN74HCT245 - SN74ACT245

These alternative models offer comparable features and can be used as substitutes depending on specific requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de SN74ABTH245N dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of SN74ABTH245N:

  1. Q: What is SN74ABTH245N? A: SN74ABTH245N is a bidirectional octal bus transceiver with 3-state outputs, commonly used in digital systems.

  2. Q: What is the voltage range supported by SN74ABTH245N? A: SN74ABTH245N supports a voltage range of 4.5V to 5.5V.

  3. Q: How many data lines can SN74ABTH245N handle? A: SN74ABTH245N can handle 8 data lines, as it is an octal transceiver.

  4. Q: Can SN74ABTH245N be used for level shifting between different voltage domains? A: Yes, SN74ABTH245N can be used for level shifting between different voltage domains, as long as the voltage range is within its supported range.

  5. Q: Does SN74ABTH245N have any built-in protection features? A: Yes, SN74ABTH245N has built-in ESD (Electrostatic Discharge) protection on all inputs and outputs.

  6. Q: What is the maximum data transfer rate supported by SN74ABTH245N? A: SN74ABTH245N supports a maximum data transfer rate of 200 Mbps.

  7. Q: Can SN74ABTH245N be used in both parallel and serial communication systems? A: Yes, SN74ABTH245N can be used in both parallel and serial communication systems, depending on the application requirements.

  8. Q: Is SN74ABTH245N compatible with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels? A: Yes, SN74ABTH245N is compatible with both TTL and CMOS logic levels.

  9. Q: Can SN74ABTH245N be used for bidirectional communication between microcontrollers and peripherals? A: Yes, SN74ABTH245N can be used for bidirectional communication between microcontrollers and peripherals, as it supports both input and output data lines.

  10. Q: Are there any specific application notes or reference designs available for SN74ABTH245N? A: Yes, Texas Instruments provides application notes and reference designs for SN74ABTH245N, which can be found in the product datasheet or on their website.

Please note that these answers are general and may vary depending on the specific requirements and use cases of your technical solution.