Tutorial: 74LS688 / 74HC688
Combines, stores or sequences digital signals.
Logic & timing
Quick documentation & first test preparation
- Identify component 74LS688 and its package.
- Read the truth table or timing diagram.
- Check the logic family, power supply and states of unused inputs.
- Consult the application circuit in the linked documentation before testing.
74LS688
8-bit magnitude comparator
- 8-bit magnitude comparator
- Read the truth table or timing diagram.
- Check the logic family, power supply and states of unused inputs.
- The manufacturer’s pinout and absolute limits take precedence over this page.
74HC688
8-bit magnitude comparator
- 8-bit magnitude comparator
- Read the truth table or timing diagram.
- Check the logic family, power supply and states of unused inputs.
- The manufacturer’s pinout and absolute limits take precedence over this page.
Inputs and outputs must match the function described in the selected reference’s documentation.