Bild kan vara representation.
Se specifikationer för produktinformation.
SN74HCT74PWT

SN74HCT74PWT

Product Overview

Category

SN74HCT74PWT belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a dual D-type flip-flop.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Schmitt-trigger inputs for noise immunity
  • Complementary outputs
  • Direct set and reset inputs
  • Buffered inputs and outputs
  • Available in TSSOP package

Package

SN74HCT74PWT is available in a TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of SN74HCT74PWT lies in its ability to store and manipulate digital data using flip-flop logic.

Packaging/Quantity

SN74HCT74PWT is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: -0.5V to VCC + 0.5V
  • Output Voltage: -0.5V to VCC + 0.5V
  • Operating Temperature Range: -40°C to 85°C
  • Flip-Flop Type: D-Type
  • Number of Flip-Flops: 2
  • Clock Frequency: Up to 25 MHz

Detailed Pin Configuration

SN74HCT74PWT has a total of 14 pins:

  1. CLR (Clear)
  2. D1 (Data Input 1)
  3. CLK (Clock Input)
  4. D2 (Data Input 2)
  5. Q1 (Flip-Flop 1 Output)
  6. Q1 (Complementary Flip-Flop 1 Output)
  7. GND (Ground)
  8. Q2 (Flip-Flop 2 Output)
  9. Q2 (Complementary Flip-Flop 2 Output)
  10. PRE (Preset)
  11. PRN (Preset Complementary)
  12. VCC (Supply Voltage)
  13. OE (Output Enable)
  14. NC (No Connection)

Functional Features

  • Dual D-type flip-flop with set and reset functionality
  • Schmitt-trigger inputs for improved noise immunity
  • Buffered inputs and outputs for enhanced signal integrity
  • Wide operating voltage range allows compatibility with various systems
  • High-speed operation enables efficient data processing
  • Direct set and reset inputs for easy control

Advantages and Disadvantages

Advantages

  • High-speed operation makes it suitable for time-critical applications.
  • Wide operating voltage range allows flexibility in different power supply scenarios.
  • Schmitt-trigger inputs provide noise immunity, ensuring reliable operation.
  • Buffered inputs and outputs enhance signal integrity, reducing the risk of errors.

Disadvantages

  • Limited number of flip-flops may restrict its use in complex systems requiring more storage elements.
  • TSSOP package may not be suitable for all applications, especially those with space constraints.

Working Principles

SN74HCT74PWT operates based on the principles of flip-flop logic. It stores digital data using two D-type flip-flops, which can be set or reset based on the input signals. The clock input controls the timing of data storage and retrieval. The complementary outputs provide both the inverted and non-inverted versions of the stored data.

Detailed Application Field Plans

SN74HCT74PWT finds applications in various fields, including:

  1. Digital electronics
  2. Communication systems
  3. Microcontrollers
  4. Data storage devices
  5. Industrial automation

In digital electronics, it can be used for sequential logic circuits, counters, and registers. In communication systems, it can assist in data synchronization and signal processing. Microcontrollers can utilize it for data storage and control purposes. Data storage devices, such as memory modules, can benefit from its flip-flop functionality. In industrial automation, it can be employed for timing and control applications.

Detailed and Complete Alternative Models

Some alternative models to SN74HCT74PWT include:

  1. 74HC74: Similar dual D-type flip-flop with slightly different specifications.
  2. CD4013: Dual D-type flip-flop with complementary outputs, available in different package options.
  3. MC74HC74A: High-speed dual D-type flip-flop with set and reset inputs.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

Word count: 525 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74HCT74PWT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74HCT74PWT in technical solutions:

  1. Q: What is the SN74HCT74PWT? A: The SN74HCT74PWT is a dual D-type flip-flop integrated circuit (IC) that can store one bit of data in each flip-flop.

  2. Q: What is the operating voltage range for the SN74HCT74PWT? A: The SN74HCT74PWT operates within a voltage range of 4.5V to 5.5V.

  3. Q: What is the maximum clock frequency supported by the SN74HCT74PWT? A: The SN74HCT74PWT can support clock frequencies up to 25 MHz.

  4. Q: Can the SN74HCT74PWT be used as a counter? A: Yes, the SN74HCT74PWT can be used as a basic counter by connecting the output of one flip-flop to the input of the next.

  5. Q: How many inputs and outputs does the SN74HCT74PWT have? A: The SN74HCT74PWT has two inputs (D and CLK) and two outputs (Q and Q̅) for each flip-flop.

  6. Q: What is the power consumption of the SN74HCT74PWT? A: The power consumption of the SN74HCT74PWT is typically low, making it suitable for battery-powered applications.

  7. Q: Can the SN74HCT74PWT be cascaded to create larger registers? A: Yes, multiple SN74HCT74PWT ICs can be cascaded together to create larger registers or shift registers.

  8. Q: What is the setup time and hold time for the SN74HCT74PWT? A: The setup time is 20 ns, and the hold time is 5 ns for the SN74HCT74PWT.

  9. Q: Can the SN74HCT74PWT be used in both synchronous and asynchronous applications? A: Yes, the SN74HCT74PWT can be used in both synchronous and asynchronous applications depending on the clock input.

  10. Q: Are there any specific precautions to consider when using the SN74HCT74PWT? A: It is important to ensure that the power supply voltage does not exceed the specified range, and proper decoupling capacitors should be used to minimize noise and voltage spikes.

Please note that these answers are general and may vary based on specific application requirements. Always refer to the datasheet and consult with an expert for accurate information.