QP8251A СПЕЦИФІКАЦІЯ,СХЕМИ,ФУНКЦІЇ

QP8251A Datasheet PDF

• QP8228
  System Controller
• QP8237A
  DMA Controller
• QP8237A-4
  DMA Controller
• QP8237A-5
  DMA Controller
• QP8243
  I/O Port
• QP8251A
  Communications Interface
• QP8273
  Protocol Controller
• QP8289
  80x86 Bus Arbiter
• QP8289-1
  80x86 Bus Arbiter
• QP8291A
  
• QP8292
  GPIB Interface/Controller
• QP82C54
  Analog Timer Circuit
• QP82C54-2
  Analog Timer Circuit
• QP82C55A-2
  Peripheral Interface