Overview
The 74HC85DB,118 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 (Q A>B, Q A=B, and Q A
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Function | Magnitude Comparator | - |
| Voltage Supply | Range | 2.0 V to 6.0 V |
| Input Levels | 74HC85: CMOS level, 74HCT85: TTL level | - |
| Operating Temperature | Range | -40 °C to +85 °C, -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 | 16-SSOP (0.209, 5.30mm Width) | - |
| Propagation Delay | VCC = 2.0 V to 6.0 V, see datasheet for specific values | - |
| Power Dissipation Capacitance | Per package, see datasheet for specific values | - |
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
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
- 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 or BCD codes
Q & A
- What is the primary function of the 74HC85DB,118?
The primary function is to compare two 4-bit binary, BCD, or other monotonic codes and provide the three possible magnitude results.
- What is the operating voltage range of the 74HC85DB,118?
The operating voltage range is from 2.0 to 6.0 V.
- What are the input levels for the 74HC85 and 74HCT85?
The 74HC85 has CMOS level inputs, while the 74HCT85 has TTL level inputs.
- How can the 74HC85DB,118 be expanded for longer comparisons?
Units can be cascaded by connecting the outputs (Q A>B, Q A=B, and Q A
- What is the package type of the 74HC85DB,118?
The package type is 16-SSOP (0.209, 5.30mm Width).
- What are the ESD protection levels for the 74HC85DB,118?
The component has HBM ESD protection exceeding 2000 V and CDM ESD protection exceeding 1000 V.
- What are the typical applications of the 74HC85DB,118?
Typical applications include process controllers and servo-motor control.
- Does the 74HC85DB,118 comply with any specific standards?
Yes, it complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
- What is the operating temperature range of the 74HC85DB,118?
The operating temperature range is from -40 °C to +85 °C, and from -40 °C to +125 °C.
- How does the 74HC85DB,118 handle inputs exceeding VCC?
The inputs include clamp diodes, enabling the use of current limiting resistors to interface with voltages in excess of VCC.
