Encyclopedia Entry: 74VHC273SJ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Sequential logic device
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 2.0V to 5.5V
• Input Voltage: -0.5V to VCC + 0.5V
• Output Voltage: -0.5V to VCC + 0.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 4.3 ns (typical)
• Output Current: ±6 mA

Detailed Pin Configuration

The 74VHC273SJ IC has a total of 20 pins, which are arranged as follows:

__ __ Q1 |1 \__/ 20| VCC Q2 |2 19| D Q3 |3 18| CP Q4 |4 17| MR Q5 |5 16| GND Q6 |6 15| Q0 Q7 |7 14| Q7 Q8 |8 13| Q6 GND |9 12| Q5 D0 |10 11| Q4 ‾‾ ‾‾

Functional Features

• The 74VHC273SJ is an octal D-type flip-flop with a common clock (CP) and master reset (MR) input.
• It operates at high speed while consuming low power.
• The flip-flop can store one bit of data, which is synchronized with the clock signal.
• The master reset input allows for clearing all flip-flops simultaneously.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data processing. - Low power consumption reduces energy usage. - Compact SOIC package allows for space-saving integration.

Disadvantages: - Limited output current may restrict certain applications. - Operating temperature range may not be suitable for extreme environments.

Working Principles

The 74VHC273SJ operates based on the principles of sequential logic. It stores data in eight individual flip-flops, each triggered by the common clock signal. The stored data remains unchanged until a new clock pulse arrives. The master reset input allows for clearing all flip-flops simultaneously, resetting them to a known state.

Detailed Application Field Plans

The 74VHC273SJ is commonly used in various digital systems where sequential data storage and retrieval are required. Some specific application fields include: 1. Microcontrollers and microprocessors 2. Data communication systems 3. Memory modules 4. Industrial automation 5. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74VHC273SJ are: 1. 74HC273: Standard CMOS version with similar specifications. 2. 74LS273: Low-power Schottky version with different characteristics. 3. 74ACT273: Advanced CMOS version with improved speed and performance.

These alternative models provide options for designers based on specific requirements and compatibility with existing systems.

In conclusion, the 74VHC273SJ is a high-speed, low-power octal D-type flip-flop IC. Its compact package, functional features, and wide operating voltage range make it suitable for various digital applications. Designers can consider alternative models based on specific needs and system compatibility.