Overview
The CD74HC85EX is a 4-bit magnitude comparator produced by Harris Corporation. This component is part of the 74HC series, known for its high-speed CMOS logic. It is designed to compare two 4-bit binary numbers and provide an output indicating their relative magnitudes. The device is versatile and can be expanded to compare binary numbers of almost any length.
Key Specifications
| Product Attribute | Attribute Value |
|---|---|
| Manufacturer | Harris Corporation |
| Voltage - Supply | 2V ~ 6V |
| Type | Magnitude Comparator |
| Package / Case | 16-DIP (0.300", 7.62mm) |
| Series | 74HC |
| Output Function | Active High |
| Operating Temperature | -55°C ~ 125°C |
| Number of Bits | 4 |
| Mounting Type | Through Hole |
| Max Propagation Delay @ V, Max CL | 33ns @ 6V, 50pF |
| Current - Quiescent (Iq) | 8 µA |
| Current - Output High, Low | 5.2mA, 5.2mA |
| RoHs Status | RoHS non-compliant |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
Key Features
- Wide supply voltage range from 2.0 to 6.0 V
- CMOS low power dissipation
- High noise immunity
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- Input levels: CMOS level for 74HC85
- ESD protection: HBM exceeds 2000 V, CDM exceeds 1000 V
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V)
Applications
- Process controllers
- Servo-motor control
- Any application requiring the comparison of binary numbers
Q & A
- What is the primary function of the CD74HC85EX? The CD74HC85EX is a 4-bit magnitude comparator designed to compare two 4-bit binary numbers and provide an output indicating their relative magnitudes.
- What is the supply voltage range for the CD74HC85EX? The supply voltage range is from 2V to 6V.
- What is the package type of the CD74HC85EX? The package type is 16-DIP (0.300", 7.62mm).
- What is the operating temperature range for the CD74HC85EX? The operating temperature range is from -55°C to 125°C.
- How many bits can the CD74HC85EX compare? The CD74HC85EX can compare 4-bit binary numbers.
- What is the maximum propagation delay for the CD74HC85EX? The maximum propagation delay is 33ns @ 6V, 50pF.
- Is the CD74HC85EX RoHS compliant? No, the CD74HC85EX is RoHS non-compliant.
- What are some common applications of the CD74HC85EX? Common applications include process controllers and servo-motor control.
- What is the quiescent current (Iq) of the CD74HC85EX? The quiescent current (Iq) is 8 µA.
- What is the ESD protection level for the CD74HC85EX? The ESD protection level exceeds 2000 V for HBM and 1000 V for CDM.
