Tutorial: 8259 / 8259A

Adapts or transmits signals between devices.

8259 / 8259A

Tutorial / documentation

Communication

Quick documentation & first test preparation

  1. Identify component 8259 and its package.
  2. Identify the protocol, logic levels and each pin’s function.
  3. Check required termination and pull-up/pull-down resistors.
  4. Consult the application circuit in the linked documentation before testing.

8259

8259, Programmable Interrupt Controller, PDIP-28

  • 8259, Programmable Interrupt Controller, PDIP-28
  • Identify the protocol, logic levels and each pin’s function.
  • Check required termination and pull-up/pull-down resistors.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

8259A

8259, Programmable Interrupt Controller, PDIP-28

  • 8259, Programmable Interrupt Controller, PDIP-28
  • Identify the protocol, logic levels and each pin’s function.
  • Check required termination and pull-up/pull-down resistors.
  • The manufacturer’s pinout and absolute limits take precedence over this page.
Technical documentation

Inputs and outputs must match the function described in the selected reference’s documentation.