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MM74HC245AMTCX
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MM74HC245AMTCX

Product Overview

  • Category: Integrated Circuit
  • Use: Signal Level Shifter
  • Characteristics: High-Speed, Octal Bus Transceiver
  • Package: TSSOP-20
  • Essence: The MM74HC245AMTCX is a high-performance octal bus transceiver designed for signal level shifting in various digital applications.
  • Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

The MM74HC245AMTCX has the following specifications:

  • Supply Voltage Range: 2V to 6V
  • High-Level Input Voltage: 2V
  • Low-Level Input Voltage: 0.8V
  • High-Level Output Voltage: VCC - 0.1V
  • Low-Level Output Voltage: 0.1V
  • Maximum Input Current: ±1µA
  • Maximum Output Current: ±6mA
  • Propagation Delay Time: 9ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MM74HC245AMTCX has a TSSOP-20 package with the following pin configuration:

__ __ A1 -| 1 20 |- VCC A2 -| 2 19 |- OE# B1 -| 3 18 |- B7 B2 -| 4 17 |- B6 A3 -| 5 16 |- B5 A4 -| 6 15 |- B4 A5 -| 7 14 |- B3 A6 -| 8 13 |- B2 A7 -| 9 12 |- B1 GND -|10 11 |- A8 ----------

Functional Features

  • Octal bidirectional bus interface
  • Non-inverting outputs
  • 3-state outputs for bus isolation
  • High-speed operation
  • Compatible with CMOS and TTL logic levels
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Compatibility with both CMOS and TTL logic levels provides flexibility in system design. - ESD protection ensures reliability in harsh environments.

Disadvantages: - Limited output current may restrict use in certain high-current applications. - The TSSOP-20 package may require careful handling during assembly.

Working Principles

The MM74HC245AMTCX operates as an octal bus transceiver, facilitating bidirectional data transfer between two buses. It features non-inverting outputs and 3-state outputs for bus isolation. The device is designed to operate at high speeds and is compatible with both CMOS and TTL logic levels. ESD protection is implemented on all inputs and outputs to ensure reliable performance.

Detailed Application Field Plans

The MM74HC245AMTCX can be used in various digital systems that require signal level shifting and bidirectional data transfer. Some potential application fields include:

  1. Microcontroller interfacing
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Alternative Models

Here are some alternative models that offer similar functionality to the MM74HC245AMTCX:

  1. SN74HCT245N by Texas Instruments
  2. CD74HCT245E by ON Semiconductor
  3. 74HCT245D by NXP Semiconductors
  4. MC74HCT245ADTR2G by Microchip Technology

These alternatives provide comparable features and can be considered as substitutes based on specific application requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق MM74HC245AMTCX في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of MM74HC245AMTCX in technical solutions:

  1. Question: What is MM74HC245AMTCX?
    Answer: MM74HC245AMTCX is a high-speed octal bus transceiver with 3-state outputs, commonly used for level shifting and signal buffering in digital systems.

  2. Question: What is the operating voltage range of MM74HC245AMTCX?
    Answer: The operating voltage range of MM74HC245AMTCX is typically between 2V and 6V.

  3. Question: How many bidirectional data lines can MM74HC245AMTCX handle?
    Answer: MM74HC245AMTCX can handle 8 bidirectional data lines.

  4. Question: Can MM74HC245AMTCX be used for voltage level translation?
    Answer: Yes, MM74HC245AMTCX is commonly used for voltage level translation between different logic levels.

  5. Question: What is the maximum data transfer rate supported by MM74HC245AMTCX?
    Answer: MM74HC245AMTCX supports high-speed data transfer rates up to 100 MHz.

  6. Question: Does MM74HC245AMTCX have internal pull-up or pull-down resistors?
    Answer: No, MM74HC245AMTCX does not have internal pull-up or pull-down resistors. External resistors may be required for specific applications.

  7. Question: Can MM74HC245AMTCX be used for bi-directional communication between two microcontrollers?
    Answer: Yes, MM74HC245AMTCX can be used to enable bi-directional communication between two microcontrollers or any other digital devices.

  8. Question: What is the power supply current consumption of MM74HC245AMTCX?
    Answer: The power supply current consumption of MM74HC245AMTCX is typically very low, making it suitable for low-power applications.

  9. Question: Can MM74HC245AMTCX handle voltage spikes or noise on the input lines?
    Answer: MM74HC245AMTCX has built-in protection against voltage spikes and noise, ensuring reliable operation in noisy environments.

  10. Question: Is MM74HC245AMTCX available in different package options?
    Answer: Yes, MM74HC245AMTCX is available in various package options, including SOIC, TSSOP, and QFN, to suit different application requirements.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for MM74HC245AMTCX.