Tutorial: MM74C923
Combines, stores or sequences digital signals.
Logic & timing
Quick documentation & first test preparation
- Identify component MM74C923 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.
MM74C923
20-key encoder
- 20-key encoder
- 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.