Overview
The 74HC85DB,118-NEX, produced by Nexperia USA Inc., is a 4-bit magnitude comparator integrated circuit. This component is part of the 74HC and 74HCT series and is designed to compare two 4-bit binary, BCD, or other monotonic codes. It provides three possible magnitude results at the outputs (A>B, A=B, and A
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 2.0 to 6.0 V |
| Input Levels | CMOS level for 74HC85, TTL level for 74HCT85 |
| Operating Temperature Range | -40 °C to +85 °C and -40 °C to +125 °C |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
| Package Type | Dual in-line package (DIP) |
| Number of Pins | 16 |
| JEDEC Standards Compliance | JESD8C (2.7 V to 3.6 V), JESD7A (2.0 V to 6.0 V) |
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
- ESD protection: HBM and CDM compliant
- Inputs include clamp diodes for voltage protection
Applications
- Process controllers
- Servo-motor control
- General digital comparison in various electronic systems
Q & A
- What is the primary function of the 74HC85DB,118-NEX? The primary function is to compare two 4-bit binary, BCD, or other monotonic codes and provide the magnitude results.
- What is the supply voltage range for this IC? The supply voltage range is from 2.0 to 6.0 V.
- What are the input levels for the 74HC85 and 74HCT85? The input levels are CMOS for 74HC85 and TTL for 74HCT85.
- How can the comparator be expanded for longer words? The comparator can be expanded by cascading multiple units, connecting the outputs of one comparator to the inputs of the next.
- What is the operating temperature range for this IC? The operating temperature range is from -40 °C to +85 °C and from -40 °C to +125 °C.
- Does the IC have ESD protection? Yes, it has HBM and CDM ESD protection.
- What are some common applications of the 74HC85DB,118-NEX? Common applications include process controllers and servo-motor control.
- Is the IC compliant with any JEDEC standards? Yes, it complies with JESD8C and JESD7A standards.
- What type of package does the 74HC85DB,118-NEX come in? It comes in a dual in-line package (DIP).
- How many pins does the IC have? The IC has 16 pins.
