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74HCT595DB,118
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74HCT595DB,118

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Shift Register
  • Characteristics: Serial-in, parallel-out shift register with output latches
  • Package: SSOP (Shrink Small Outline Package)
  • Essence: Efficient data storage and transfer solution
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Logic Family: HCT
  • Number of Bits: 8
  • Input Voltage: 2V to 6V
  • Output Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +125°C
  • Maximum Clock Frequency: 25 MHz
  • Output Current: ±6 mA
  • Supply Current: 80 μA (typical)

Detailed Pin Configuration

The 74HCT595DB,118 has a total of 16 pins. The pin configuration is as follows:

  1. SER (Serial Data Input)
  2. RCLK (Register Clock Input)
  3. SRCLK (Shift Register Clock Input)
  4. OE (Output Enable Input)
  5. GND (Ground)
  6. Q7' (Serial Output)
  7. Q7 (Serial Output)
  8. VCC (Supply Voltage)
  9. Q0 (Parallel Output)
  10. Q1 (Parallel Output)
  11. Q2 (Parallel Output)
  12. Q3 (Parallel Output)
  13. Q4 (Parallel Output)
  14. Q5 (Parallel Output)
  15. Q6 (Parallel Output)
  16. SRCLR (Shift Register Clear Input)

Functional Features

  • Serial-in, parallel-out shift register operation
  • Output latches for storing data
  • High-speed data transfer capability
  • Wide operating voltage range
  • Low power consumption
  • Schmitt-trigger action on all inputs
  • ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Efficient data storage and transfer solution - High-speed operation - Wide operating voltage range allows for versatile applications - Low power consumption enhances energy efficiency - ESD protection ensures reliability

Disadvantages: - Limited number of bits (8) - Requires external clock signals for proper operation

Working Principles

The 74HCT595DB,118 is a serial-in, parallel-out shift register with output latches. It operates by shifting data into the register through the SER pin and transferring it to the parallel outputs upon receiving the appropriate clock signals. The output latches hold the data until new data is shifted in, allowing for efficient data storage and transfer.

Detailed Application Field Plans

The 74HCT595DB,118 is widely used in various applications that require efficient data storage and transfer. Some potential application fields include:

  1. LED Display Systems: The shift register can be used to control multiple LEDs, enabling dynamic lighting effects and reducing the number of required pins.
  2. Serial Data Communication: It can be utilized for serial data transmission between microcontrollers or other devices, facilitating efficient data transfer.
  3. Industrial Automation: The shift register can be employed in industrial control systems to manage multiple input/output signals effectively.
  4. Robotics: It can be integrated into robotic systems to control various actuators and sensors, enhancing their functionality.

Detailed and Complete Alternative Models

Some alternative models to the 74HCT595DB,118 are:

  1. 74HC595: Similar shift register with slightly different electrical characteristics.
  2. SN74HC595: Texas Instruments' version of the shift register.
  3. CD4094: 8-stage shift-and-store bus register with similar functionality.

These alternative models offer similar features and can be considered as substitutes depending on specific requirements.

Word count: 413 words

技術ソリューションにおける 74HCT595DB,118 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of 74HCT595DB,118 in technical solutions:

  1. Q: What is the 74HCT595DB,118? A: The 74HCT595DB,118 is an 8-bit serial-in, parallel-out shift register with output latches. It can be used to expand the number of digital outputs in a microcontroller-based system.

  2. Q: How does the 74HCT595DB,118 work? A: The 74HCT595DB,118 receives data serially and then shifts it into its internal registers. Once all the data is loaded, it can be transferred to the output pins in parallel using a latch signal.

  3. Q: What is the maximum clock frequency supported by the 74HCT595DB,118? A: The 74HCT595DB,118 can operate at a maximum clock frequency of 25 MHz.

  4. Q: Can I daisy-chain multiple 74HCT595DB,118 chips together? A: Yes, you can daisy-chain multiple 74HCT595DB,118 chips together to expand the number of outputs even further.

  5. Q: What is the voltage supply range for the 74HCT595DB,118? A: The 74HCT595DB,118 operates with a voltage supply range of 2 V to 6 V.

  6. Q: How many output pins does the 74HCT595DB,118 have? A: The 74HCT595DB,118 has 8 output pins that can be individually controlled.

  7. Q: Can the 74HCT595DB,118 be used for driving LEDs? A: Yes, the 74HCT595DB,118 can be used to drive LEDs by connecting the output pins to the LED cathodes and using appropriate current-limiting resistors.

  8. Q: Is the 74HCT595DB,118 compatible with both CMOS and TTL logic levels? A: Yes, the 74HCT595DB,118 is compatible with both CMOS and TTL logic levels, making it versatile for various applications.

  9. Q: Can the 74HCT595DB,118 be used in high-speed data transfer applications? A: While the 74HCT595DB,118 can operate at relatively high clock frequencies, it may not be suitable for very high-speed data transfer applications due to its inherent serial-to-parallel conversion process.

  10. Q: Are there any specific considerations for PCB layout when using the 74HCT595DB,118? A: It is recommended to follow proper PCB layout guidelines, such as minimizing trace lengths, providing decoupling capacitors near the chip, and ensuring signal integrity, to ensure reliable operation of the 74HCT595DB,118 in your design.

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