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MC74VHC595DR2G
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MC74VHC595DR2G

Product Overview

Category

MC74VHC595DR2G belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a shift register and serial-to-parallel converter.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Schmitt-trigger inputs for noise immunity
  • Output current: ±8 mA
  • Operating temperature range: -40°C to +125°C

Package

MC74VHC595DR2G is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of MC74VHC595DR2G lies in its ability to convert serial data into parallel output, making it suitable for applications requiring multiple outputs.

Packaging/Quantity

MC74VHC595DR2G is typically packaged in reels, with 2500 units per reel.

Specifications

Electrical Characteristics

  • Supply voltage range: 2.0V to 5.5V
  • Input voltage range: 0V to VCC
  • Output voltage range: 0V to VCC
  • Maximum input current: ±10µA
  • Maximum output current: ±25mA

Timing Characteristics

  • Clock frequency: up to 33 MHz
  • Shift register clock pulse width: 20 ns (minimum)
  • Data input setup time: 15 ns (minimum)
  • Data input hold time: 5 ns (minimum)

Detailed Pin Configuration

  1. SER (Serial Data Input)
  2. RCLK (Register Clock Input)
  3. SRCLK (Shift Register Clock Input)
  4. OE (Output Enable Input)
  5. SRCLR (Shift Register Clear Input)
  6. QA-QH (Parallel Outputs)
  7. GND (Ground)
  8. QH' (Serial Output)
  9. VCC (Supply Voltage)

Functional Features

  • Serial-to-parallel conversion
  • Shift register operation
  • Output enable control
  • Clear function for resetting the shift register
  • Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer
  • Wide operating voltage range provides flexibility in various applications
  • Low power consumption helps conserve energy
  • Schmitt-trigger inputs enhance noise immunity, ensuring reliable performance

Disadvantages

  • Limited output current may restrict usage in certain high-power applications
  • The 16-pin SOIC package may not be suitable for space-constrained designs

Working Principles

MC74VHC595DR2G operates by receiving serial data through the SER pin. The shift register clock (SRCLK) input controls the shifting of data bits into the shift register. The register clock (RCLK) input latches the data from the shift register to the parallel outputs (QA-QH). The output enable (OE) input enables or disables the outputs. The shift register clear (SRCLR) input resets the shift register.

Detailed Application Field Plans

MC74VHC595DR2G finds applications in various fields, including: 1. LED matrix displays 2. Multiplexed seven-segment displays 3. Data storage systems 4. Serial communication interfaces 5. Control systems requiring multiple outputs

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to MC74VHC595DR2G are: 1. SN74HC595N 2. CD74HC595E 3. 74HC595D

These alternatives can be considered based on specific requirements and availability.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi MC74VHC595DR2G dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of MC74VHC595DR2G in technical solutions:

  1. Q: What is MC74VHC595DR2G? A: MC74VHC595DR2G is a high-speed CMOS shift register with output latches. It can be used to expand the number of outputs available in a microcontroller or other digital circuit.

  2. Q: What is the maximum clock frequency supported by MC74VHC595DR2G? A: The maximum clock frequency supported by MC74VHC595DR2G is typically around 100 MHz.

  3. Q: How many outputs can be controlled using MC74VHC595DR2G? A: MC74VHC595DR2G has 8 outputs that can be individually controlled.

  4. Q: Can MC74VHC595DR2G be cascaded to control more than 8 outputs? A: Yes, MC74VHC595DR2G can be cascaded to control multiple devices, allowing for control of more than 8 outputs.

  5. Q: What is the voltage range supported by MC74VHC595DR2G? A: MC74VHC595DR2G supports a wide voltage range from 2V to 6V.

  6. Q: Is MC74VHC595DR2G compatible with both TTL and CMOS logic levels? A: Yes, MC74VHC595DR2G is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

  7. Q: Can MC74VHC595DR2G be used for driving LEDs? A: Yes, MC74VHC595DR2G can be used to drive LEDs by connecting the outputs to the LED cathodes and using appropriate current-limiting resistors.

  8. Q: Does MC74VHC595DR2G have any built-in protection features? A: MC74VHC595DR2G has built-in diode clamps on the inputs to protect against electrostatic discharge (ESD) damage.

  9. Q: Can MC74VHC595DR2G be used in battery-powered applications? A: Yes, MC74VHC595DR2G can be used in battery-powered applications as it operates at low power and supports a wide voltage range.

  10. Q: Are there any application notes or reference designs available for MC74VHC595DR2G? A: Yes, the manufacturer provides application notes and reference designs that can help in understanding and implementing MC74VHC595DR2G in various technical solutions.

Please note that these answers are general and may vary depending on specific requirements and use cases. It is always recommended to refer to the datasheet and documentation provided by the manufacturer for accurate information.