Overview
The SN74LS688DWR is an 8-Bit Identity/Magnitude Comparator produced by Texas Instruments. This integrated circuit is designed to compare two 8-bit binary numbers and provide output indicating whether the numbers are equal or which number is greater. It features an enable input that allows the comparison to be disabled, making it versatile for various digital logic applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC (DW) |
| Number of Pins | 20 |
| Operating Temperature Range | 0°C to 70°C |
| Lead/Ball Finish | Cu NIPDAU (RoHS & Green) |
| MSL Peak Temp | Level-1-260C-UNLIM |
| Device Marking | LS688 |
| Supply Voltage | 4.75V to 5.25V |
| Propagation Delay Time | Typically 30ns |
Key Features
- 8-bit identity and magnitude comparison
- Enable input to control the comparison function
- Low power consumption (typically 80mW)
- High speed operation with propagation delay times of around 30ns
- Compliant with RoHS and green initiatives
- Available in SOIC (DW) package for compact design
Applications
- Digital logic circuits requiring binary number comparisons
- Microprocessor and microcontroller systems for data validation
- Automated control systems where real-time comparisons are necessary
- Embedded systems requiring low power and high speed logic operations
- Industrial automation and monitoring systems
Q & A
- What is the primary function of the SN74LS688DWR?
The primary function is to compare two 8-bit binary numbers and provide output indicating whether the numbers are equal or which number is greater.
- What is the package type of the SN74LS688DWR?
The package type is SOIC (DW) with 20 pins.
- What is the operating temperature range of the SN74LS688DWR?
The operating temperature range is from 0°C to 70°C.
- Is the SN74LS688DWR RoHS compliant?
- What is the typical propagation delay time of the SN74LS688DWR?
The typical propagation delay time is around 30ns.
- What is the purpose of the enable input on the SN74LS688DWR?
The enable input allows the comparison function to be disabled when needed.
- What are some common applications of the SN74LS688DWR?
Common applications include digital logic circuits, microprocessor and microcontroller systems, automated control systems, embedded systems, and industrial automation.
- How many bits can the SN74LS688DWR compare at once?
The SN74LS688DWR can compare 8-bit binary numbers.
- What is the supply voltage range for the SN74LS688DWR?
The supply voltage range is from 4.75V to 5.25V.
- Is the SN74LS688DWR suitable for high-speed applications?
