82C54 / 8253

Combines, stores or sequences digital signals.

Tutorial / documentation

Logic & timing

Quick documentation & first test preparation

  1. Identify component 82C54 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.

82C54

CHMOS Programmable Interval Timer, PDIP-24

  • CHMOS Programmable Interval Timer, PDIP-24
  • 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

8253

Programmable Interval Timer, PDIP-24

  • Programmable Interval Timer, PDIP-24
  • 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