SN74HC682DW

Product Overview

Category

SN74HC682DW belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics and computer systems for various applications such as arithmetic logic units (ALUs), counters, and data manipulation.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Schmitt-trigger action on all inputs
• Buffered inputs and outputs
• 20-pin SOIC (Small Outline Integrated Circuit) package

Package and Quantity

SN74HC682DW is packaged in a 20-pin SOIC package. It is available in reels or tubes, with a typical quantity of 250 units per reel/tube.

Specifications

Electrical Characteristics

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±25mA
• Propagation Delay: 10ns (max)

Pin Configuration

The pin configuration of SN74HC682DW is as follows:

``` __ __ 1 |1 __/ 20| VCC 2 |2 19| GND 3 |3 18| A1 4 |4 17| B1 5 |5 16| C1 6 |6 15| D1 7 |7 14| A0 8 |8 13| B0 9 |9 12| C0 10|10 11| D0

---

```

Functional Features

• 8-bit magnitude comparator
• Outputs indicate greater than, less than, or equal to conditions
• Cascadable for larger word sizes
• Built-in latches for holding inputs

Advantages

• High-speed operation allows for efficient data processing
• Low power consumption reduces energy usage
• Wide operating voltage range provides flexibility in various applications
• Compatibility with TTL inputs ensures compatibility with existing systems
• Schmitt-trigger action on all inputs improves noise immunity
• Buffered inputs and outputs enhance signal integrity

Disadvantages

• Limited word size (8 bits) may not be suitable for applications requiring larger comparisons
• Lack of built-in error detection or correction mechanisms

Working Principles

SN74HC682DW operates based on the principles of digital logic. It compares two 8-bit binary numbers and generates outputs indicating whether one number is greater than, less than, or equal to the other. The internal circuitry consists of combinational logic gates and flip-flops that perform the necessary comparison operations.

Detailed Application Field Plans

SN74HC682DW finds applications in various fields, including: 1. Microprocessors and microcontrollers 2. Digital signal processing 3. Data communication systems 4. Industrial automation 5. Robotics 6. Automotive electronics

Alternative Models

Some alternative models that can be used as substitutes for SN74HC682DW include: - SN74LS682 - SN74HCT682 - CD74HC682 - MC74HC682

These models offer similar functionality and characteristics, providing options for different design requirements.

In conclusion, SN74HC682DW is a versatile integrated circuit used for comparing 8-bit binary numbers. Its high-speed operation, low power consumption, and wide voltage range make it suitable for various digital applications. However, its limited word size and lack of error detection features should be considered when selecting this product for specific projects.