Overview
The 74HC85D,653 from Nexperia USA Inc. is a 4-bit magnitude comparator integrated circuit. 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 family, and is widely used in various electronic designs due to its versatility and reliability.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Type Number | 74HC85D | Component type |
| VCC (V) | 2.0 - 6.0 | Operating voltage range |
| Logic Switching Levels | CMOS | Logic family |
| Output Drive Capability (mA) | ± 5.2 | Maximum output current |
| tpd (ns) | 23 | Propagation delay time |
| Number of Bits | 4 | Number of bits compared |
| Power Dissipation Considerations | Low | Power consumption characteristic |
| Tamb (°C) | -40 to 125 | Operating temperature range |
| Rth(j-a) (K/W) | 67 | Junction-to-ambient thermal resistance |
| Rth(j-top) (K/W) | 1 | Junction-to-top thermal resistance |
| Rth(j-c) (K/W) | 25 | Junction-to-case thermal resistance |
| Package Name | SO16 (SOT109-1) | Package type |
Key Features
- 4-bit Magnitude Comparison: Compares two 4-bit binary, BCD, or other monotonic codes and provides the three possible magnitude results at the outputs.
- Expandable: Can be expanded to almost any length for more complex comparisons.
- CMOS Logic Family: Part of the 74HC series, known for high-speed CMOS logic.
- Low Power Consumption: Characterized by low power dissipation.
- Broad Operating Voltage Range: Operates within a voltage range of 2.0 to 6.0 volts.
- Wide Operating Temperature Range: Functional from -40°C to 125°C.
Applications
- Automotive Systems: Used in various automotive applications due to its reliability and wide operating temperature range.
- Industrial Control Systems: Employed in industrial control systems for precise comparisons and logic operations.
- Consumer Electronics: Found in consumer electronics such as mobile devices, wearables, and other portable electronics.
- Computing and Power Systems: Used in computing and power management systems where high-speed logic operations are required.
Q & A
- What is the primary function of the 74HC85D,653?
The primary function 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,653?
The operating voltage range is from 2.0 to 6.0 volts.
- What is the propagation delay time of the 74HC85D,653?
The propagation delay time is approximately 23 nanoseconds.
- What is the package type of the 74HC85D,653?
The package type is SO16 (SOT109-1).
- What are the typical applications of the 74HC85D,653?
Typical applications include automotive systems, industrial control systems, consumer electronics, and computing and power systems.
- Can the 74HC85D,653 be expanded for more complex comparisons?
- What is the operating temperature range of the 74HC85D,653?
The operating temperature range is from -40°C to 125°C.
- What is the logic family of the 74HC85D,653?
The logic family is CMOS (Complementary Metal-Oxide-Semiconductor).
- How much output current can the 74HC85D,653 drive?
The output drive capability is ± 5.2 mA.
- Is the 74HC85D,653 characterized by low power consumption?
