ROM and RAM components

• RAM and ROM components are available in the Xilinx Libraries

  • ROM components are stored in LUTs (Look-Up Tables) like standard logic
  • May be easier to define logic in LUT format instead of gate format

• FPGA Look-Up Tables are blocks of RAM

  • Data is written during configuration
  • Data is read and written after configuration

O = I1*I2

I1

I2

O

F1

F2

X

DATA(0)=0

DATA(1)=0

DATA(2)=0

DATA(3)=1

A0

A1

DOUT

F1

F2

X

Gate Description

ROM Description

이전 슬라이드

다음 슬라이드

첫 슬라이드로 이동

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