Overview
The 74HC688DB,118 is an 8-bit magnitude comparator integrated circuit produced by Nexperia USA Inc. This component is designed to compare two 8-bit binary or BCD words, making it a crucial element in various digital logic circuits. Although the specific part number 74HC688DB,118 is listed as obsolete, its functionality and specifications remain relevant for understanding and designing similar comparator circuits.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC688DB,118 |
| Supply Voltage (VCC) | 2.0 V to 6.0 V |
| Logic Switching Levels | CMOS |
| Output Drive Capability | ± 5.2 mA |
| Propagation Delay (tpd) | 17 ns |
| Number of Bits | 8 |
| Operating Temperature Range | -40 °C to +125 °C |
| Package Type | SSOP20 (SOT360-1) |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
Key Features
- Compares two 8-bit binary or BCD words.
- Wide supply voltage range from 2.0 V to 6.0 V.
- CMOS input levels and low power dissipation.
- High noise immunity.
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B.
- Complies with JEDEC standards JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
- ESD protection: HBM exceeds 2000 V and CDM exceeds 1000 V.
Applications
The 74HC688DB,118 is suitable for various digital logic applications where the comparison of binary or BCD data is required. These include:
- Digital signal processing systems.
- Microprocessor and microcontroller systems.
- Automated control systems.
- Data acquisition and processing systems.
Q & A
- What is the primary function of the 74HC688DB,118?
The primary function is to compare two 8-bit binary or BCD words.
- What is the supply voltage range for the 74HC688DB,118?
The supply voltage range is from 2.0 V to 6.0 V.
- What type of logic switching levels does the 74HC688DB,118 use?
The component uses CMOS logic switching levels.
- What is the propagation delay of the 74HC688DB,118?
The propagation delay is 17 ns.
- What is the operating temperature range for the 74HC688DB,118?
The operating temperature range is from -40 °C to +125 °C.
- What type of package does the 74HC688DB,118 come in?
The component comes in an SSOP20 (SOT360-1) package.
- Does the 74HC688DB,118 have ESD protection?
- Is the 74HC688DB,118 compliant with JEDEC standards?
- What are some common applications for the 74HC688DB,118?
- Is the 74HC688DB,118 still in production?
