74HC85D,652

Product Overview

Category

The 74HC85D,652 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for various applications such as arithmetic and logic operations.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL (Transistor-Transistor Logic) inputs
• Output capability: standard

Package

The 74HC85D,652 is available in a small outline package (SO) with 16 pins.

Essence

The essence of this product lies in its ability to perform high-speed arithmetic and logic operations while consuming low power.

Packaging/Quantity

The 74HC85D,652 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply voltage: 2V to 6V
• Input voltage: 0V to VCC
• Operating temperature range: -40°C to +125°C
• Propagation delay: 10 ns (max)
• Output current: ±25 mA

Detailed Pin Configuration

1. A1 (Input A1)
2. B1 (Input B1)
3. A2 (Input A2)
4. B2 (Input B2)
5. A3 (Input A3)
6. B3 (Input B3)
7. A4 (Input A4)
8. B4 (Input B4)
9. GND (Ground)
10. LT (Less Than) output
11. EQ (Equal) output
12. GT (Greater Than) output
13. LTEN (Less Than Enable) input
14. EQEN (Equal Enable) input
15. GTEN (Greater Than Enable) input
16. VCC (Supply Voltage)

Functional Features

The 74HC85D,652 is a 4-bit magnitude comparator that compares two 4-bit binary numbers and provides three outputs indicating the relationship between the inputs: less than, equal, or greater than. It also features enable inputs to control the comparison operation.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient processing of arithmetic and logic operations.
• Low power consumption makes it suitable for battery-powered devices.
• Wide operating voltage range provides flexibility in various applications.
• Compatibility with TTL inputs allows for easy integration into existing systems.
• Standard output capability ensures compatibility with other components.

Disadvantages

• Limited to 4-bit comparisons, may not be suitable for larger data sets.
• Requires additional external circuitry for cascading multiple comparators.

Working Principles

The 74HC85D,652 works by comparing the corresponding bits of two 4-bit binary numbers. It determines whether each bit of the first number is less than, equal to, or greater than the corresponding bit of the second number. The enable inputs control the comparison operation, allowing for selective comparisons.

Detailed Application Field Plans

The 74HC85D,652 finds applications in various fields, including: 1. Digital calculators 2. Data sorting and searching algorithms 3. Control systems 4. Arithmetic units in microprocessors 5. Error detection and correction circuits

Detailed and Complete Alternative Models

Some alternative models to the 74HC85D,652 include: - SN74LS85N - CD54HC85F3A - MC74HC85N - DM74LS85N

These models offer similar functionality and can be used as alternatives depending on specific requirements.

In conclusion, the 74HC85D,652 is a high-speed, low-power 4-bit magnitude comparator IC commonly used in digital electronics. Its ability to perform arithmetic and logic operations efficiently, along with its compatibility with TTL inputs, makes it a versatile component in various applications.

Word count: 511