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MM74HCT245MTCX
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MM74HCT245MTCX

Overview

  • Category: Integrated Circuit
  • Use: Signal Level Shifter
  • Characteristics: High-Speed, CMOS Technology
  • Package: TSSOP-20
  • Essence: Bidirectional Transceiver
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 25 MHz
  • Number of Channels: 8
  • Logic Family: HCT

Pin Configuration

The MM74HCT245MTCX has a total of 20 pins arranged as follows:

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

Functional Features

  • Bidirectional data transfer between two different voltage levels
  • High-speed operation suitable for various applications
  • CMOS technology ensures low power consumption
  • Non-inverting outputs for minimal signal distortion
  • Schmitt-trigger inputs for improved noise immunity

Advantages and Disadvantages

Advantages: - Allows interfacing between systems with different voltage levels - Fast data transmission speeds up to 25 MHz - Low power consumption due to CMOS technology - Robust design with Schmitt-trigger inputs for noise immunity

Disadvantages: - Limited to a maximum supply voltage of 5.5V - Requires careful consideration of input/output voltage compatibility

Working Principles

The MM74HCT245MTCX is a bidirectional transceiver that facilitates the conversion of signals between two different voltage levels. It operates using CMOS technology, which ensures high-speed performance while consuming minimal power. The device features non-inverting outputs and Schmitt-trigger inputs, providing reliable and accurate signal transmission even in noisy environments.

Detailed Application Field Plans

The MM74HCT245MTCX finds applications in various fields where signal level shifting is required. Some potential application areas include:

  1. Microcontroller Interfacing: The IC enables communication between microcontrollers operating at different voltage levels.
  2. Industrial Automation: It can be used in industrial control systems to interface between different logic families or voltage domains.
  3. Communication Systems: The transceiver facilitates signal translation between different communication protocols or devices.
  4. Automotive Electronics: It can be employed in automotive applications to connect components operating at different voltage levels.
  5. Consumer Electronics: The IC can be utilized in devices such as smartphones, tablets, and gaming consoles to enable communication between different subsystems.

Detailed and Complete Alternative Models

  1. SN74HCT245N: Similar bidirectional transceiver with DIP-20 package.
  2. 74HC245: Non-inverting octal bus transceiver with a wider supply voltage range.
  3. CD74HCT245E: Octal bus transceiver with similar characteristics and a larger temperature range.

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

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Enumerați 10 întrebări și răspunsuri comune legate de aplicarea lui MM74HCT245MTCX în soluțiile tehnice

Sure! Here are 10 common questions and answers related to the application of MM74HCT245MTCX in technical solutions:

  1. Q: What is MM74HCT245MTCX? A: MM74HCT245MTCX is a high-speed octal bus transceiver that can be used for bidirectional level shifting between different voltage domains.

  2. Q: What is the operating voltage range of MM74HCT245MTCX? A: The operating voltage range of MM74HCT245MTCX is typically between 4.5V and 5.5V.

  3. Q: Can MM74HCT245MTCX handle both TTL and CMOS logic levels? A: Yes, MM74HCT245MTCX is compatible with both TTL and CMOS logic levels.

  4. Q: How many bidirectional channels does MM74HCT245MTCX have? A: MM74HCT245MTCX has 8 bidirectional channels, allowing for parallel data transfer.

  5. Q: What is the maximum data transfer rate supported by MM74HCT245MTCX? A: MM74HCT245MTCX can support data transfer rates up to 25 MHz.

  6. Q: Can MM74HCT245MTCX be used for level shifting between different voltage domains? A: Yes, MM74HCT245MTCX is commonly used for level shifting between different voltage domains, such as 3.3V and 5V.

  7. Q: Does MM74HCT245MTCX have any built-in protection features? A: Yes, MM74HCT245MTCX has built-in diode clamps on all inputs and outputs to protect against electrostatic discharge (ESD).

  8. Q: Can MM74HCT245MTCX be used in both parallel and serial communication systems? A: Yes, MM74HCT245MTCX can be used in both parallel and serial communication systems, depending on the application requirements.

  9. Q: What is the package type of MM74HCT245MTCX? A: MM74HCT245MTCX is available in a 20-pin TSSOP (Thin Shrink Small Outline Package) package.

  10. Q: Are there any specific application notes or reference designs available for MM74HCT245MTCX? A: Yes, the manufacturer provides application notes and reference designs that can help in understanding and implementing MM74HCT245MTCX in various technical solutions.

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