Аналогичные 82C55A

• 82C50A
  • CMOS Asynchronous Communications Element
• 82C52
  • CMOS Serial Controller Interface
• 82C54
  • CMOS Programmable Interval Timer
• 82C55A
  • CMOS Programmable Peripheral Interface
• 82C59A
  • CMOS Priority Interrupt Controller