MM74C923

Combines, stores or sequences digital signals.

Tutorial / documentation

Logic & timing

Quick documentation & first test preparation

  1. Identify component MM74C923 and its package.
  2. Read the truth table or timing diagram.
  3. Check the logic family, power supply and states of unused inputs.
  4. 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.
Technical documentation