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SN74HCT245ANSR

SN74HCT245ANSR

Product Overview

Category

SN74HCT245ANSR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a bidirectional octal bus transceiver.

Characteristics

  • High-speed CMOS technology
  • 8-bit wide bidirectional voltage-level translation
  • Non-inverting outputs for easy interface with different logic levels
  • Low power consumption
  • Schmitt-trigger inputs for noise immunity
  • Wide operating voltage range: 2V to 6V
  • ESD protection exceeds 2000V per MIL-STD-883C, Method 3015.2

Package

SN74HCT245ANSR is available in a small-outline integrated circuit (SOIC) package.

Essence

The essence of SN74HCT245ANSR lies in its ability to provide voltage-level translation and bidirectional data transfer between two buses with different voltage levels.

Packaging/Quantity

SN74HCT245ANSR is typically packaged in reels and comes in quantities of 2500 units per reel.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 13 ns (max)
  • Output Current: ±6 mA

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. GND (Ground)
  9. B4 (Data Input/Output)
  10. A4 (Data Input/Output)
  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. VCC (Supply Voltage)

Functional Features

  • Bidirectional data transfer between two buses with different voltage levels
  • Non-inverting outputs for easy interface with different logic levels
  • Output enable control for disabling the outputs
  • Schmitt-trigger inputs for improved noise immunity
  • Wide operating voltage range allows compatibility with various systems

Advantages and Disadvantages

Advantages

  • High-speed CMOS technology ensures fast data transfer
  • Low power consumption makes it suitable for battery-powered devices
  • ESD protection exceeds industry standards, ensuring robustness
  • Wide operating voltage range provides flexibility in system design

Disadvantages

  • Propagation delay time may limit its use in applications requiring very high-speed data transfer
  • Limited output current may restrict its use in driving heavy loads

Working Principles

SN74HCT245ANSR works by receiving data from one bus and transmitting it to another bus bidirectionally. The direction of data transfer is controlled by the OE pin. When OE is low, the device is enabled, and data can flow in both directions. When OE is high, the outputs are disabled, and the device enters a high-impedance state.

The non-inverting outputs ensure that the data is not inverted during transmission, making it compatible with different logic levels. The Schmitt-trigger inputs provide noise immunity, allowing reliable operation even in noisy environments.

Detailed Application Field Plans

SN74HCT245ANSR finds applications in various fields, including:

  1. Microcontroller interfacing
  2. Level shifting between different voltage domains
  3. Data communication systems
  4. Industrial automation
  5. Automotive electronics
  6. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74HCT245N: DIP package, 20 units per tube
  2. SN74HCT245D: SOIC package, 2500 units per reel
  3. SN74HCT245PW: TSSOP package, 2000 units per reel
  4. SN74HCT245PWR: TSSOP package, 2500 units per reel
  5. SN74HCT245DBR: SSOP package, 2500 units per reel

These alternative models provide similar functionality to SN74HCT245ANSR but may differ in package type, quantity per reel, or other minor specifications.

In conclusion, SN74HCT245ANSR is a versatile integrated circuit that enables bidirectional data transfer between buses with different voltage levels. Its high-speed CMOS technology, low power consumption, and wide operating voltage range make it suitable for various applications in different fields.

Texniki həllərdə SN74HCT245ANSR tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

Sure! Here are 10 common questions and answers related to the application of SN74HCT245ANSR:

  1. Q: What is the SN74HCT245ANSR? A: The SN74HCT245ANSR is a high-speed octal bus transceiver with 3-state outputs. It can be used for bidirectional level shifting and voltage translation in various technical solutions.

  2. Q: What is the operating voltage range of SN74HCT245ANSR? A: The operating voltage range of SN74HCT245ANSR is typically between 4.5V and 5.5V.

  3. Q: How many channels does the SN74HCT245ANSR have? A: The SN74HCT245ANSR has 8 channels, allowing bidirectional data transfer on each channel.

  4. Q: What is the maximum data transfer rate supported by SN74HCT245ANSR? A: The SN74HCT245ANSR supports a maximum data transfer rate of up to 25 MHz.

  5. Q: Can I use the SN74HCT245ANSR for level shifting between different voltage domains? A: Yes, the SN74HCT245ANSR can be used for level shifting between different voltage domains, as long as the voltage levels are within its operating range.

  6. Q: Does the SN74HCT245ANSR support 3-state outputs? A: Yes, the SN74HCT245ANSR has 3-state outputs, which means it can effectively isolate the bus lines when not actively driving them.

  7. Q: Can I use the SN74HCT245ANSR for bi-directional communication? A: Yes, the SN74HCT245ANSR is designed for bidirectional data transfer, making it suitable for bi-directional communication.

  8. Q: What is the power supply current required by SN74HCT245ANSR? A: The power supply current required by SN74HCT245ANSR depends on the operating conditions and load, but typically ranges from a few milliamperes to tens of milliamperes.

  9. Q: Can I use the SN74HCT245ANSR in automotive applications? A: Yes, the SN74HCT245ANSR is qualified for automotive applications and can be used in automotive systems.

  10. Q: Are there any specific precautions to consider when using SN74HCT245ANSR? A: It is important to ensure that the voltage levels and operating conditions are within the specified limits. Additionally, proper decoupling capacitors should be used to minimize noise and ensure stable operation.

Please note that these answers are general and may vary depending on the specific requirements and datasheet of the SN74HCT245ANSR.