The 74HC85 is a high-speed 4-bit magnitude comparator IC designed to compare two 4-bit binary numbers and determine their relative magnitude. It outputs signals that indicate whether one number is greater than, less than, or equal to the other. This IC is ideal for digital systems requiring arithmetic or logical comparison, such as digital sorting, priority encoding, or control applications.

The 74HC85 includes cascading inputs and outputs, allowing multiple ICs to be chained together for comparing binary numbers larger than 4 bits. It is built using high-speed CMOS technology and comes in a standard DIP-16 through-hole package.

Features of 74HC85 4-Bit Magnitude Comparator IC:

1. Compares two 4-bit binary numbers (A and B)
2. Provides three outputs: A > B, A = B, A < B
3. Cascade capability for comparing more than 4 bits
4. High-speed CMOS technology with TTL compatibility
5. Low power consumption
6. DIP-16 package suitable for breadboards and prototyping

Specifications of 74HC85 IC:

• Model: 74HC85
• Function: 4-bit magnitude comparator
• Supply Voltage: 2V to 6V (typically 5V)
• Logic Compatibility: TTL and CMOS
• Input Current: ±1 μA max
• Output Drive: ±6mA
• Package Type: DIP-16 – Through-Hole
• Operating Temperature: -40°C to +85°C
• Propagation Delay: ~15ns at 5V
  

Package Includes:

1 × 74HC85 – 4-Bit Magnitude Comparator IC – DIP-16 Package