Billedet kan være en repræsentation.
Se specifikationer for produktdetaljer.
SN74HCT273PWRG4

SN74HCT273PWRG4

Overview

Category: Integrated Circuit (IC)

Use: The SN74HCT273PWRG4 is a high-speed octal D-type flip-flop with reset. It is commonly used in digital electronics for storing and transferring data.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Schmitt-trigger inputs for noise immunity - Output drive capability: 10 LSTTL loads - Available in a small package size

Package: TSSOP (Thin Shrink Small Outline Package)

Essence: The SN74HCT273PWRG4 is an essential component in various electronic devices, such as computers, communication systems, and consumer electronics. It provides reliable data storage and transfer capabilities.

Packaging/Quantity: The SN74HCT273PWRG4 is typically sold in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

The SN74HCT273PWRG4 has the following specifications:

  • Supply Voltage Range: 4.5V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Clock Frequency: 25 MHz
  • Propagation Delay: 15 ns (typical)
  • Output Current: ±6 mA

Pin Configuration

The pin configuration of the SN74HCT273PWRG4 is as follows:

+---+--+---+ CLR -|1 +--+ 20|- VCC D0 -|2 19|- Q7 D1 -|3 18|- Q6 D2 -|4 17|- Q5 D3 -|5 16|- Q4 D4 -|6 15|- Q3 D5 -|7 14|- Q2 D6 -|8 13|- Q1 D7 -|9 12|- Q0 CLK -|10 11|- GND +----------+

Functional Features

The SN74HCT273PWRG4 offers the following functional features:

  • Eight individual D-type flip-flops with reset
  • Positive-edge triggered clock input (CLK)
  • Asynchronous active-low clear input (CLR)
  • Data inputs (D0-D7) for storing and transferring data
  • Outputs (Q0-Q7) for retrieving stored data
  • Schmitt-trigger inputs for improved noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Low power consumption helps conserve energy - Wide operating voltage range ensures compatibility with various systems - Schmitt-trigger inputs provide robustness against noise

Disadvantages: - Limited output drive capability may restrict usage in certain applications - Propagation delay of 15 ns may affect timing-sensitive operations

Working Principles

The SN74HCT273PWRG4 operates based on the principles of sequential logic. It stores and transfers data using flip-flops, which are controlled by a clock signal. When the clock signal transitions from low to high, the input data is latched and stored in the flip-flops. The stored data can then be retrieved from the output pins.

The asynchronous clear input allows for resetting all flip-flops to a known state when necessary. This feature ensures reliable operation during system initialization or error recovery.

Detailed Application Field Plans

The SN74HCT273PWRG4 finds applications in various fields, including:

  1. Computers: Used in central processing units (CPUs) and memory systems for data storage and transfer.
  2. Communication Systems: Employed in networking devices, such as routers and switches, for buffering and routing data packets.
  3. Consumer Electronics: Integrated into digital televisions, set-top boxes, and audio/video equipment for signal processing and control.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the SN74HCT273PWRG4 include:

  1. 74HC273: A compatible IC with a different package type (DIP).
  2. CD74HCT273: Another octal D-type flip-flop with reset, manufactured by a different company.

These alternative models can be considered based on specific requirements, availability, and compatibility with existing designs.

In conclusion, the SN74HCT273PWRG4 is a versatile integrated circuit that provides high-speed data storage and transfer capabilities. Its wide range of applications and reliable performance make it a valuable component in various electronic systems.

Word count: 560

Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74HCT273PWRG4 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74HCT273PWRG4:

  1. Q: What is the SN74HCT273PWRG4? A: The SN74HCT273PWRG4 is a high-speed octal D-type flip-flop with reset, designed for use in various digital applications.

  2. Q: What is the operating voltage range of SN74HCT273PWRG4? A: The operating voltage range of SN74HCT273PWRG4 is from 4.5V to 5.5V.

  3. Q: How many flip-flops are there in SN74HCT273PWRG4? A: SN74HCT273PWRG4 consists of 8 flip-flops, making it an octal (8-bit) device.

  4. Q: What is the maximum clock frequency supported by SN74HCT273PWRG4? A: The maximum clock frequency supported by SN74HCT273PWRG4 is typically around 25 MHz.

  5. Q: Can I use SN74HCT273PWRG4 in both synchronous and asynchronous applications? A: Yes, SN74HCT273PWRG4 can be used in both synchronous and asynchronous applications.

  6. Q: Does SN74HCT273PWRG4 have a reset pin? A: Yes, SN74HCT273PWRG4 has a reset pin (active low) that allows you to clear the flip-flop outputs.

  7. Q: What is the output drive capability of SN74HCT273PWRG4? A: SN74HCT273PWRG4 has a typical output drive capability of ±4 mA.

  8. Q: Can I cascade multiple SN74HCT273PWRG4 devices together? A: Yes, you can cascade multiple SN74HCT273PWRG4 devices to increase the number of flip-flops in your circuit.

  9. Q: Is SN74HCT273PWRG4 compatible with both TTL and CMOS logic levels? A: Yes, SN74HCT273PWRG4 is compatible with both TTL and CMOS logic levels, making it versatile for various applications.

  10. Q: What package does SN74HCT273PWRG4 come in? A: SN74HCT273PWRG4 is available in a TSSOP-20 package, which is a small surface-mount package with 20 pins.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for SN74HCT273PWRG4.