Overview
The 74HC85D,652 is a 4-bit magnitude comparator integrated circuit produced by Nexperia USA Inc. This component is designed to compare two 4-bit binary, BCD, or other monotonic codes and provide the three possible magnitude results at the outputs. It is part of the 74HC series, known for its high-speed CMOS logic.
This IC is highly versatile and can be expanded to almost any length, making it suitable for a wide range of applications. It operates within a voltage range of 2.0 to 6.0 volts and is specified to function from -40 °C to +125 °C, ensuring reliability in various environmental conditions.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Number of Bits | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74HC85D | 2.0 - 6.0 | CMOS | ± 5.2 | 23 | 4 | Low | -40 to +125 | 67 | 1 | 25 | SO16 (SOT109-1) |
Key Features
- 4-bit Magnitude Comparator: Compares two 4-bit binary, BCD, or other monotonic codes and provides three possible magnitude results at the outputs.
- High-Speed CMOS Logic: Part of the 74HC series, known for its high-speed CMOS logic.
- Wide Operating Voltage Range: Operates within a voltage range of 2.0 to 6.0 volts.
- Temperature Range: Specified to function from -40 °C to +125 °C.
- Low Power Dissipation: Designed with low power dissipation considerations.
- ESD Protection: Offers HBM (Human Body Model) and CDM (Charged Device Model) ESD protection, exceeding 2000 V and 1000 V respectively.
Applications
The 74HC85D,652 is versatile and can be used in various applications across different industries:
- Process Controllers: Used in control systems that require precise comparison of digital signals.
- Servo-Motor Control: Can be integrated into servo-motor control systems for accurate positioning and control.
- Automotive Systems: Suitable for use in automotive electronics due to its robust temperature range and ESD protection.
- Industrial Automation: Used in industrial automation for comparing digital signals in control and monitoring systems.
- Consumer Electronics: Can be used in consumer electronics for various digital comparison tasks.
Q & A
- What is the primary function of the 74HC85D,652 IC?
The primary function of the 74HC85D,652 is to compare two 4-bit binary, BCD, or other monotonic codes and provide the three possible magnitude results at the outputs.
- What is the operating voltage range of the 74HC85D,652?
The operating voltage range of the 74HC85D,652 is from 2.0 to 6.0 volts.
- What is the temperature range for the 74HC85D,652?
The 74HC85D,652 is specified to function from -40 °C to +125 °C.
- What type of logic does the 74HC85D,652 use?
The 74HC85D,652 uses high-speed CMOS logic.
- What is the output drive capability of the 74HC85D,652?
The output drive capability of the 74HC85D,652 is ± 5.2 mA.
- What is the propagation delay (tpd) of the 74HC85D,652?
The propagation delay (tpd) of the 74HC85D,652 is approximately 23 ns.
- What kind of ESD protection does the 74HC85D,652 offer?
The 74HC85D,652 offers HBM (Human Body Model) and CDM (Charged Device Model) ESD protection, exceeding 2000 V and 1000 V respectively.
- In what package is the 74HC85D,652 available?
The 74HC85D,652 is available in the SO16 (SOT109-1) package.
- Can the 74HC85D,652 be used in automotive applications?
Yes, the 74HC85D,652 can be used in automotive applications due to its robust temperature range and ESD protection.
- What are some common applications of the 74HC85D,652?
The 74HC85D,652 is commonly used in process controllers, servo-motor control systems, industrial automation, and consumer electronics.
