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SN74HCT273DWRE4
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SN74HCT273DWRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: High-speed, CMOS logic, 8-bit D-type flip-flop
  • Package: SOIC-20
  • Essence: Sequential logic device for storing and transferring data
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Logic Family: HCT
  • Number of Flip-Flops: 8
  • Input Voltage Range: 2V to 6V
  • Propagation Delay: 14 ns (typical)
  • Operating Temperature Range: -40°C to +85°C
  • Supply Voltage Range: 4.5V to 5.5V
  • Output Current: ±6 mA
  • Power Dissipation: 500 mW (max)

Detailed Pin Configuration

The SN74HCT273DWRE4 has a total of 20 pins, which are assigned as follows:

  1. CLR (Clear)
  2. D0 (Data Input 0)
  3. D1 (Data Input 1)
  4. D2 (Data Input 2)
  5. D3 (Data Input 3)
  6. D4 (Data Input 4)
  7. D5 (Data Input 5)
  8. D6 (Data Input 6)
  9. D7 (Data Input 7)
  10. GND (Ground)
  11. Q7 (Output 7)
  12. Q6 (Output 6)
  13. Q5 (Output 5)
  14. Q4 (Output 4)
  15. Q3 (Output 3)
  16. Q2 (Output 2)
  17. Q1 (Output 1)
  18. Q0 (Output 0)
  19. CP (Clock Pulse)
  20. VCC (Supply Voltage)

Functional Features

The SN74HCT273DWRE4 is a high-speed CMOS logic device that consists of eight D-type flip-flops. It is designed to store and transfer data in sequential logic circuits. The device operates on a supply voltage range of 4.5V to 5.5V and can tolerate an input voltage range of 2V to 6V. With a propagation delay of only 14 ns, it offers fast and reliable data storage and transfer capabilities.

Advantages and Disadvantages

Advantages: - High-speed operation - Wide operating temperature range - Low power dissipation - Compact package size

Disadvantages: - Limited output current capacity - Requires external clock signal for proper operation

Working Principles

The SN74HCT273DWRE4 operates based on the principles of sequential logic. It uses positive-edge triggered D-type flip-flops to store and transfer data. The device has a clock input (CP) that controls the timing of data storage and transfer operations. When a rising edge is detected at the CP input, the data present at the D inputs is transferred to the corresponding Q outputs. The CLR input can be used to clear all the flip-flops simultaneously.

Detailed Application Field Plans

The SN74HCT273DWRE4 is widely used in various digital systems and applications, including:

  1. Microprocessors and microcontrollers
  2. Data storage and retrieval systems
  3. Communication equipment
  4. Industrial automation
  5. Automotive electronics
  6. Consumer electronics

Its ability to store and transfer data efficiently makes it suitable for applications that require sequential logic operations.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74HCT273DWRE4 include:

  1. CD4013BE: Dual D-Type Flip-Flop IC
  2. MC74HC273N: Octal D-Type Flip-Flop IC
  3. 74LS175: Quad D-Type Flip-Flop IC
  4. SN74LS374N: Octal D-Type Flip-Flop IC

These alternative models can be considered based on specific application requirements and availability.

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10個與SN74HCT273DWRE4在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of SN74HCT273DWRE4:

  1. Q: What is the SN74HCT273DWRE4? A: The SN74HCT273DWRE4 is a high-speed octal D-type flip-flop with reset, manufactured by Texas Instruments.

  2. Q: What is the purpose of the SN74HCT273DWRE4? A: This IC is used for storing and transferring data in digital circuits. It can be used in various applications such as registers, counters, and memory units.

  3. Q: What is the operating voltage range of the SN74HCT273DWRE4? A: The SN74HCT273DWRE4 operates within a voltage range of 4.5V to 5.5V.

  4. Q: How many flip-flops are there in the SN74HCT273DWRE4? A: The SN74HCT273DWRE4 contains 8 flip-flops, making it an octal (8-bit) device.

  5. Q: What is the maximum clock frequency supported by the SN74HCT273DWRE4? A: The SN74HCT273DWRE4 can operate at a maximum clock frequency of 25 MHz.

  6. Q: Does the SN74HCT273DWRE4 have an asynchronous reset feature? A: Yes, the SN74HCT273DWRE4 has an asynchronous active-low reset input (CLR) that can be used to clear all the flip-flops simultaneously.

  7. Q: Can the SN74HCT273DWRE4 be cascaded to create larger registers or counters? A: Yes, multiple SN74HCT273DWRE4 ICs can be cascaded together to create larger registers or counters by connecting the outputs of one IC to the inputs of the next.

  8. Q: What is the output drive capability of the SN74HCT273DWRE4? A: The SN74HCT273DWRE4 has a typical output drive capability of ±6 mA, which allows it to drive standard TTL loads.

  9. Q: Is the SN74HCT273DWRE4 compatible with both CMOS and TTL logic levels? A: Yes, the SN74HCT273DWRE4 is designed to be compatible with both CMOS and TTL logic levels, making it versatile in various digital circuit designs.

  10. Q: What is the package type of the SN74HCT273DWRE4? A: The SN74HCT273DWRE4 is available in a 20-pin SOIC (Small Outline Integrated Circuit) package.

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