ON Semiconductor
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MM74HC165SJX
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MM74HC165SJX

Product Overview

  • Category: Integrated Circuit
  • Use: Shift Register
  • Characteristics: Serial-In, Parallel-Out, 8-bit, High-Speed
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: The MM74HC165SJX is a high-speed 8-bit shift register that can be used to convert serial input data into parallel output data.
  • Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

  • Supply Voltage: 2V to 6V
  • Operating Temperature Range: -40°C to +85°C
  • Input Voltage Levels: High: 2V to Vcc, Low: GND to 0.8Vcc
  • Output Voltage Levels: High: Vcc - 0.5V, Low: 0.5V
  • Maximum Clock Frequency: 80 MHz
  • Number of Inputs: 1 (Serial Data Input)
  • Number of Outputs: 8 (Parallel Data Output)

Pin Configuration

The MM74HC165SJX has a total of 16 pins arranged as follows:

+---+--+---+ Q7 |1 +--+ 16| Vcc Q6 |2 15| Q0 Q5 |3 14| DS (Serial Data Input) Q4 |4 13| SH/LD (Shift/Load Input) Q3 |5 12| CLK (Clock Input) Q2 |6 11| MR (Master Reset Input) Q1 |7 10| OE (Output Enable Input) GND |8 9| Q0' +--------+

Functional Features

  • Serial-in, parallel-out shift register operation
  • High-speed data transfer with a maximum clock frequency of 80 MHz
  • Output enable control for easy data access
  • Master reset input for clearing the register
  • Shift/load input for selecting between shift and load modes

Advantages and Disadvantages

Advantages

  • High-speed operation allows for quick data processing.
  • Compact SOIC package saves board space.
  • Versatile functionality with options for shifting or loading data.

Disadvantages

  • Limited number of inputs and outputs (1 input, 8 outputs).
  • Requires an external clock signal for operation.

Working Principles

The MM74HC165SJX is designed to convert serial input data into parallel output data. It operates as a shift register, where data is shifted in bit by bit through the serial input (DS) and then simultaneously latched onto the parallel outputs (Q0-Q7) when the shift/load input (SH/LD) is triggered. The clock input (CLK) controls the shifting of data, while the output enable input (OE) enables or disables the output buffers.

Detailed Application Field Plans

The MM74HC165SJX can be used in various applications that require serial-to-parallel data conversion. Some potential application fields include:

  1. Data communication systems
  2. Industrial automation
  3. Robotics
  4. LED matrix displays
  5. Digital audio equipment

Detailed and Complete Alternative Models

  1. SN74HC165N: Similar 8-bit shift register with DIP package.
  2. CD74HC165E: 8-bit parallel-load shift register with DIP package.
  3. 74HCT165: 8-bit parallel-load shift register with TTL compatibility.

These alternative models offer similar functionality and can be considered as alternatives to the MM74HC165SJX based on specific requirements and preferences.

In conclusion, the MM74HC165SJX is a high-speed 8-bit shift register that provides serial-to-parallel data conversion. Its compact package, versatile functionality, and high-speed operation make it suitable for various applications in the field of digital electronics.

Énumérez 10 questions et réponses courantes liées à l'application de MM74HC165SJX dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of MM74HC165SJX in technical solutions:

  1. Q: What is MM74HC165SJX? A: MM74HC165SJX is a 8-bit parallel-in/serial-out shift register IC (integrated circuit) that can be used for data input and output operations.

  2. Q: What is the purpose of using MM74HC165SJX in technical solutions? A: MM74HC165SJX can be used to expand the number of input or output pins of a microcontroller or other digital devices, allowing for more efficient data transfer.

  3. Q: How does MM74HC165SJX work? A: It works by shifting data bits serially into the register from one end and then reading them out in parallel from the other end.

  4. Q: What is the maximum clock frequency supported by MM74HC165SJX? A: The maximum clock frequency supported by MM74HC165SJX is typically around 25 MHz.

  5. Q: Can MM74HC165SJX be cascaded to increase the number of inputs or outputs? A: Yes, MM74HC165SJX can be cascaded together to increase the number of inputs or outputs by connecting the serial output of one chip to the serial input of another.

  6. Q: What is the voltage supply range for MM74HC165SJX? A: MM74HC165SJX operates with a voltage supply range of 2V to 6V.

  7. Q: Does MM74HC165SJX have any built-in protection features? A: Yes, MM74HC165SJX has built-in diode protection on all inputs, which helps prevent damage due to electrostatic discharge (ESD).

  8. Q: Can MM74HC165SJX be used with both CMOS and TTL logic levels? A: Yes, MM74HC165SJX is compatible with both CMOS and TTL logic levels, making it versatile for various applications.

  9. Q: What is the typical power consumption of MM74HC165SJX? A: The typical power consumption of MM74HC165SJX is low, usually in the range of a few milliwatts.

  10. Q: Are there any specific application examples where MM74HC165SJX is commonly used? A: Yes, MM74HC165SJX is commonly used in applications such as data acquisition systems, digital control panels, LED matrix displays, and keypad scanning circuits.

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