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74HC595DB,118
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74HC595DB,118

Product Overview

Category

The 74HC595DB,118 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a shift register with output latches. It can be used in various applications that require serial-to-parallel or parallel-to-serial data conversion.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Schmitt-trigger action on all inputs
  • Output current: 6 mA
  • Output voltage: 5.2 V

Package

The 74HC595DB,118 is available in a small outline package (SO) with 16 pins.

Essence

The essence of this product lies in its ability to efficiently convert and control data flow between serial and parallel interfaces.

Packaging/Quantity

The 74HC595DB,118 is typically packaged in reels containing 2,500 units per reel.

Specifications

  • Supply voltage: 2 V to 6 V
  • Operating temperature range: -40°C to +125°C
  • Input capacitance: 3.5 pF
  • Output capacitance: 8 pF
  • Propagation delay: 13 ns
  • Maximum clock frequency: 25 MHz

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 data conversion
  • Parallel-to-serial data conversion
  • Latched outputs for easy control
  • Output enable/disable functionality
  • Clear function to reset the shift register

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 action on all inputs ensures reliable signal processing
  • Output current of 6 mA allows for driving external devices
  • Output voltage of 5.2 V ensures compatibility with other components

Disadvantages

  • Limited number of parallel outputs (QA-QH)
  • Requires additional components for more complex applications

Working Principles

The 74HC595DB,118 operates based on the principle of serial-in, parallel-out shifting. It receives serial data through the SER input and shifts it into an internal shift register on each rising edge of the SRCLK input. The RCLK input latches the data from the shift register into the output latch, making it available at the parallel outputs (QA-QH). The QH' pin provides a serial output for cascading multiple devices.

Detailed Application Field Plans

The 74HC595DB,118 finds applications in various fields, including but not limited to:

  1. LED matrix displays
  2. Seven-segment displays
  3. Digital clocks
  4. Data storage systems
  5. Serial communication interfaces
  6. Industrial automation control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74HC595DB,118 include:

  1. SN74HC595N
  2. CD74HC595E
  3. M74HC595B1R
  4. MC74HC595ADG

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

In conclusion, the 74HC595DB,118 is a versatile integrated circuit used for serial-to-parallel and parallel-to-serial data conversion. Its high-speed operation, wide voltage range, and latched outputs make it suitable for various applications in different fields. While it has some limitations, alternative models are available to meet specific needs.

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 74HC595DB,118 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 74HC595DB,118 in technical solutions:

  1. Q: What is the 74HC595DB,118? A: The 74HC595DB,118 is an 8-bit serial-in, serial or parallel-out shift register with output latches. It can be used to expand the number of outputs in a microcontroller-based system.

  2. Q: How does the 74HC595DB,118 work? A: The 74HC595DB,118 receives data serially and shifts it into its internal registers. It then outputs the data in parallel to its output pins. The shift register can be cascaded to control multiple devices using a single microcontroller pin.

  3. Q: What is the maximum clock frequency for the 74HC595DB,118? A: The maximum clock frequency for the 74HC595DB,118 is typically around 25 MHz.

  4. Q: Can the 74HC595DB,118 be used with both 3.3V and 5V systems? A: Yes, the 74HC595DB,118 is compatible with both 3.3V and 5V systems as it has a wide operating voltage range (2V to 6V).

  5. Q: How many output pins does the 74HC595DB,118 have? A: The 74HC595DB,118 has 8 output pins that can be individually controlled.

  6. Q: Can the 74HC595DB,118 be used to drive LEDs? A: Yes, the 74HC595DB,118 can be used to drive LEDs by connecting them to the output pins. Each output pin can sink up to 20mA of current.

  7. Q: Can the 74HC595DB,118 be used to control motors? A: No, the 74HC595DB,118 is not suitable for directly controlling motors as it can only sink a limited amount of current. It is better suited for driving low-power devices like LEDs.

  8. Q: How many 74HC595DB,118 chips can be cascaded together? A: Multiple 74HC595DB,118 chips can be cascaded together to control a larger number of outputs. Theoretically, there is no limit to the number of chips that can be cascaded.

  9. Q: Can the 74HC595DB,118 be used in both serial and parallel mode? A: Yes, the 74HC595DB,118 can be used in both serial and parallel mode. The mode of operation is determined by the state of the shift/load input pin.

  10. Q: Are there any limitations to using the 74HC595DB,118? A: One limitation of the 74HC595DB,118 is that it does not have built-in protection against overvoltage or reverse voltage. Care should be taken to ensure that the input and output voltages are within the specified limits.