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SN74AHC273PW

SN74AHC273PW

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Flip-Flop
  • Characteristics: High-speed, low-power, octal D-type flip-flop
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: The SN74AHC273PW is a versatile integrated circuit that can store and manipulate digital information. It is commonly used in electronic devices for sequential logic operations.
  • Packaging/Quantity: Available in reels or tubes, with varying quantities depending on the supplier.

Specifications

  • Supply Voltage Range: 2 V to 5.5 V
  • High-Level Input Voltage: 0.7 x VCC to VCC + 0.5 V
  • Low-Level Input Voltage: -0.5 V to 0.3 x VCC
  • High-Level Output Voltage: VCC - 0.5 V
  • Low-Level Output Voltage: 0.5 V
  • Maximum Operating Frequency: 100 MHz
  • Number of Flip-Flops: 8

Detailed Pin Configuration

The SN74AHC273PW has a total of 20 pins, each serving a specific function:

  1. CLR (Clear) - Clear input pin
  2. D0-D7 (Data Inputs) - Eight data input pins
  3. Q0-Q7 (Flip-Flop Outputs) - Eight flip-flop output pins
  4. CP (Clock Pulse) - Clock pulse input pin
  5. GND (Ground) - Ground reference pin
  6. OE (Output Enable) - Output enable input pin
  7. VCC (Supply Voltage) - Positive supply voltage pin

Functional Features

  • High-Speed Operation: The SN74AHC273PW operates at a maximum frequency of 100 MHz, allowing for rapid data processing.
  • Low Power Consumption: This IC is designed to minimize power consumption, making it suitable for battery-powered devices.
  • Octal Flip-Flop: With eight flip-flops integrated into a single package, the SN74AHC273PW offers efficient storage and manipulation of digital information.
  • Clear Function: The CLR input allows for the simultaneous clearing of all flip-flops, ensuring a known initial state.

Advantages and Disadvantages

Advantages

  • High-speed operation enables quick data processing.
  • Low power consumption prolongs battery life in portable devices.
  • Octal flip-flop design provides compact integration of multiple flip-flops.
  • Clear function allows for easy initialization of the flip-flops.

Disadvantages

  • Limited number of flip-flops (8) may not be sufficient for complex applications requiring more storage elements.
  • TSSOP package may be challenging to solder for inexperienced users.

Working Principles

The SN74AHC273PW operates based on the principles of sequential logic. It stores digital information using flip-flops, which are triggered by clock pulses. The data inputs (D0-D7) are latched into the flip-flops when a rising edge is detected on the clock pulse (CP) input. The stored data can then be accessed from the flip-flop outputs (Q0-Q7). The clear input (CLR) allows for the simultaneous clearing of all flip-flops, setting them to a known initial state.

Detailed Application Field Plans

The SN74AHC273PW finds application in various electronic systems that require sequential logic operations. Some common application fields include:

  1. Microcontrollers: Used for storing and manipulating program instructions and data.
  2. Data Storage Systems: Employed in memory modules and storage devices for data buffering and addressing.
  3. Communication Systems: Utilized in data transmission and reception circuits for synchronization and error detection.
  4. Industrial Automation: Integrated into control systems for sequential operation and timing control.
  5. Automotive Electronics: Found in vehicle control units for managing sequential processes and data storage.

Detailed and Complete Alternative Models

  1. SN74AHC574PW: Similar to the SN74AHC273PW, but with a different pin configuration (8-bit D-type flip-flop with tri-state outputs).
  2. CD4013BE: Dual D-type flip-flop IC with similar functionality but different package type (DIP-14).
  3. 74HC273: Octal D-type flip-flop IC from a different manufacturer (NXP Semiconductors).

These alternative models offer similar functionality and can be used as replacements for the SN74AHC273PW depending on specific requirements and availability.

Word count: 570 words

Liste 10 perguntas e respostas comuns relacionadas à aplicação de SN74AHC273PW em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of SN74AHC273PW:

  1. Q: What is the SN74AHC273PW? A: The SN74AHC273PW is a octal D-type flip-flop with reset, from Texas Instruments.

  2. Q: What is the purpose of the SN74AHC273PW? A: It is used to store and manipulate digital data in electronic circuits.

  3. Q: What is the maximum operating voltage for the SN74AHC273PW? A: The maximum operating voltage is 5.5V.

  4. Q: How many flip-flops are there in the SN74AHC273PW? A: There are 8 flip-flops in the SN74AHC273PW.

  5. Q: What is the clock input frequency range for the SN74AHC273PW? A: The clock input frequency range is typically between 0Hz and 100MHz.

  6. Q: Can the SN74AHC273PW be used in both synchronous and asynchronous applications? A: Yes, it can be used in both synchronous and asynchronous applications.

  7. Q: What is the power supply voltage range for the SN74AHC273PW? A: The power supply voltage range is typically between 2V and 5.5V.

  8. Q: Does the SN74AHC273PW have an active-low reset input? A: Yes, it has an active-low reset input.

  9. Q: What is the output drive capability of the SN74AHC273PW? A: The output drive capability is typically 8mA.

  10. Q: Can the SN74AHC273PW be cascaded to create larger storage registers? A: Yes, multiple SN74AHC273PW flip-flops can be cascaded to create larger storage registers.

Please note that these answers are general and may vary depending on the specific application and datasheet of the SN74AHC273PW.