Overview
The 74HC688DB118 is an 8-bit identity comparator integrated circuit produced by NXP USA Inc. This component is part of the 74HC series, known for its high-speed CMOS logic. The 74HC688DB118 is designed to compare two 8-bit binary words and provide an output indicating whether the words are identical or not.
Key Specifications
| Parameter | Description |
|---|---|
| Type | 8-bit Identity Comparator |
| Package | SSOP-20, TSSOP-20 |
| Logic Family | 74HC |
| Supply Voltage | 2.0 V to 6.0 V |
| Operating Temperature | -40°C to +125°C |
| RoHS Compliance | Yes, Lead-free |
| Propagation Delay | Typically 15 ns at Vcc = 5V |
Key Features
The 74HC688DB118 features high-speed CMOS logic, making it suitable for a variety of digital comparison applications. Key features include:
- High-speed operation with typical propagation delay of 15 ns at Vcc = 5V.
- Wide supply voltage range from 2.0 V to 6.0 V.
- Low power consumption.
- RoHS compliance, ensuring environmental sustainability.
- Available in SSOP-20 and TSSOP-20 packages.
Applications
The 74HC688DB118 is versatile and can be used in various applications requiring digital comparison, such as:
- Data validation and error detection in digital systems.
- Memory address comparison.
- Automotive and industrial control systems.
- Consumer electronics for data integrity checks.
- Embedded systems requiring fast and accurate data comparison.
Q & A
- What is the primary function of the 74HC688DB118?
The primary function of the 74HC688DB118 is to compare two 8-bit binary words and provide an output indicating whether the words are identical or not.
- What is the supply voltage range for the 74HC688DB118?
The supply voltage range is from 2.0 V to 6.0 V.
- What are the typical propagation delays for the 74HC688DB118?
The typical propagation delay is 15 ns at Vcc = 5V.
- Is the 74HC688DB118 RoHS compliant?
Yes, the 74HC688DB118 is RoHS compliant and lead-free.
- In what packages is the 74HC688DB118 available?
The 74HC688DB118 is available in SSOP-20 and TSSOP-20 packages.
- What are some common applications for the 74HC688DB118?
Common applications include data validation, memory address comparison, automotive and industrial control systems, and consumer electronics.
- What is the operating temperature range for the 74HC688DB118?
The operating temperature range is from -40°C to +125°C.
- How does the 74HC688DB118 contribute to environmental sustainability?
The 74HC688DB118 is RoHS compliant, which means it is lead-free and environmentally friendly.
- Can the 74HC688DB118 be used in high-speed applications?
Yes, the 74HC688DB118 is designed for high-speed CMOS logic and is suitable for high-speed applications.
- Where can I find detailed datasheets for the 74HC688DB118?
Detailed datasheets can be found on the NXP website or through distributors like Digi-Key and SMR Electronics.
