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MM74HC165MX
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MM74HC165MX

Product Overview

  • Category: Integrated Circuit
  • Use: Shift Register
  • Characteristics: High-Speed, Serial-In Parallel-Out (SIPO), 8-bit
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Data storage and transfer device
  • Packaging/Quantity: Tape and Reel, 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
  • Maximum Clock Frequency: 25 MHz
  • Maximum Data Transfer Rate: 25 Mbps

Pin Configuration

The MM74HC165MX has a total of 16 pins. The pin configuration is as follows:

  1. SER (Serial Data Input)
  2. QH' (Serial Data Output)
  3. QH (Serial Data Output)
  4. DS (Serial Data Input)
  5. SH/LD (Shift/Load Input)
  6. CLK (Clock Input)
  7. GND (Ground)
  8. QG (Parallel Data Output)
  9. QF (Parallel Data Output)
  10. QE (Parallel Data Output)
  11. QD (Parallel Data Output)
  12. QC (Parallel Data Output)
  13. QB (Parallel Data Output)
  14. QA (Parallel Data Output)
  15. VCC (Supply Voltage)
  16. MR (Master Reset)

Functional Features

  • Serial-in parallel-out (SIPO) operation
  • High-speed data transfer
  • Cascadable for larger shift register applications
  • Asynchronous master reset
  • Schmitt-trigger inputs for noise immunity
  • Wide supply voltage range for flexibility

Advantages

  • Fast and efficient data transfer
  • Easy integration into digital systems
  • Cascadable for expanding the number of inputs
  • Noise immunity due to Schmitt-trigger inputs
  • Wide supply voltage range allows compatibility with various systems

Disadvantages

  • Limited number of parallel outputs (8 bits)
  • Requires external clock signal for operation
  • Not suitable for applications requiring higher data transfer rates

Working Principles

The MM74HC165MX is a shift register that allows serial data input and parallel data output. It operates by shifting the input data bit-by-bit into the register and then latching it onto the parallel outputs. The clock input controls the shifting of data, while the shift/load input determines whether the data is shifted or loaded into the register.

Detailed Application Field Plans

The MM74HC165MX can be used in various applications, including:

  1. Data acquisition systems
  2. Serial-to-parallel conversion
  3. Parallel data storage and retrieval
  4. Digital communication systems
  5. Industrial automation
  6. Robotics
  7. LED matrix control

Alternative Models

  1. SN74HC165N: DIP (Dual Inline Package) version of the MM74HC165MX
  2. CD74HC165E: PDIP (Plastic Dual Inline Package) version of the MM74HC165MX
  3. 74HCT165: High-Speed CMOS version of the MM74HC165MX

These alternative models offer similar functionality and can be used as replacements for the MM74HC165MX depending on specific requirements.

In conclusion, the MM74HC165MX is a high-speed, 8-bit shift register integrated circuit. It offers efficient serial-in parallel-out operation, noise immunity, and wide supply voltage range. With its compact SOIC package, it is suitable for various applications in digital systems, data acquisition, and communication.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät MM74HC165MX :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of MM74HC165MX in technical solutions:

  1. Q: What is MM74HC165MX? A: MM74HC165MX is a 8-bit parallel-in/serial-out shift register that can be used for various digital applications.

  2. Q: What is the purpose of using MM74HC165MX in a technical solution? A: MM74HC165MX can be used to expand the number of input pins available on a microcontroller or other digital devices.

  3. Q: How many input pins can MM74HC165MX handle? A: MM74HC165MX has 8 input pins, allowing you to connect up to 8 different input signals.

  4. Q: Can MM74HC165MX be cascaded to handle more than 8 input signals? A: Yes, multiple MM74HC165MX chips can be cascaded together to handle a larger number of input signals.

  5. Q: How does MM74HC165MX work? A: MM74HC165MX works by shifting the input data serially into its internal registers and then providing a parallel output of the shifted data.

  6. Q: What is the maximum clock frequency supported by MM74HC165MX? A: MM74HC165MX can support clock frequencies up to 25 MHz.

  7. Q: Can MM74HC165MX be used with both 3.3V and 5V systems? A: Yes, MM74HC165MX is compatible with both 3.3V and 5V systems, making it versatile for various applications.

  8. Q: Does MM74HC165MX have any built-in debounce circuitry? A: No, MM74HC165MX does not have built-in debounce circuitry. External debouncing may be required for noisy input signals.

  9. Q: Can MM74HC165MX be used in both digital and analog applications? A: No, MM74HC165MX is specifically designed for digital applications and should not be used in analog circuits.

  10. Q: Are there any specific precautions to consider when using MM74HC165MX? A: It is important to ensure that the power supply voltage and logic levels are within the specified limits to prevent damage to the chip. Additionally, proper decoupling capacitors should be used to minimize noise and stabilize the power supply.

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