Texas Instruments
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SN74HCT273DBR
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SN74HCT273DBR

Product Overview

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

Specifications

  • Supply Voltage Range: 4.5V to 5.5V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Current: -6mA
  • Low-Level Output Current: 6mA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74HCT273DBR has a total of 20 pins. The pin configuration is 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 SN74HCT273DBR is a positive-edge-triggered octal D-type flip-flop. It has the following functional features:

  • High-speed operation
  • Low power consumption
  • Non-inverting outputs
  • Direct clear input for synchronous reset
  • 3-state outputs for bus-oriented applications

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption reduces energy usage - Clear input enables synchronous reset, improving flexibility in circuit design - 3-state outputs facilitate bus-oriented applications

Disadvantages: - Limited to 8-bit data storage and transfer - Requires an external clock signal for proper operation

Working Principles

The SN74HCT273DBR operates based on positive-edge triggering. When a rising edge is detected on the clock pulse (CP) input, the data present at the D0-D7 inputs is transferred to the corresponding Q0-Q7 outputs. The clear (CLR) input can be used to reset all flip-flops to a known state.

Detailed Application Field Plans

The SN74HCT273DBR is commonly used in various digital systems where sequential logic is required. Some application fields include:

  1. Microprocessors and microcontrollers
  2. Data storage systems
  3. Communication devices
  4. Industrial automation
  5. Automotive electronics

Detailed and Complete Alternative Models

  1. SN74HC273N: Similar functionality but with different package (DIP-20)
  2. CD74HCT273E: Equivalent functionality from a different manufacturer (Texas Instruments)

These alternative models provide similar functionality to the SN74HCT273DBR and can be used as replacements depending on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74HCT273DBR v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74HCT273DBR:

  1. Question: What is SN74HCT273DBR?
    - Answer: SN74HCT273DBR is a type of integrated circuit (IC) that functions as an octal D-type flip-flop with reset.

  2. Question: What is the purpose of SN74HCT273DBR?
    - Answer: SN74HCT273DBR is used to store and manipulate digital data in electronic circuits.

  3. Question: What is the maximum operating voltage for SN74HCT273DBR?
    - Answer: The maximum operating voltage for SN74HCT273DBR is 5.5 volts.

  4. Question: How many flip-flops are there in SN74HCT273DBR?
    - Answer: SN74HCT273DBR contains 8 individual flip-flops.

  5. Question: What is the clock input in SN74HCT273DBR used for?
    - Answer: The clock input is used to synchronize the operation of the flip-flops and control the timing of data storage.

  6. Question: Can SN74HCT273DBR be used in both rising and falling edge-triggered applications?
    - Answer: Yes, SN74HCT273DBR can be used in both rising and falling edge-triggered applications.

  7. Question: What is the function of the reset input in SN74HCT273DBR?
    - Answer: The reset input is used to clear the stored data in all the flip-flops simultaneously.

  8. Question: What is the output voltage level of SN74HCT273DBR?
    - Answer: The output voltage level of SN74HCT273DBR is compatible with both TTL and CMOS logic levels.

  9. Question: Can SN74HCT273DBR be cascaded to increase the number of flip-flops?
    - Answer: Yes, multiple SN74HCT273DBR ICs can be cascaded together to increase the number of flip-flops in a circuit.

  10. Question: What are some common applications of SN74HCT273DBR?
    - Answer: SN74HCT273DBR is commonly used in digital systems, such as microcontrollers, memory units, counters, and registers.

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