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AR# 7107

18V00 - Are 18V00s compatible with Spartan/II/IIE/3 or 4000E/XL FPGAs?

Description

General Description:

Are XC18V00s compatible with Spartan/XL/II/IIE/3 FPGAs? What about the XC4000E/XL family?

Solution

The XC18V00 can configure all Xilinx FPGAs. However, designers should be aware of the signaling thresholds -- specifically, the Vih of the PROM needs to be less than the Voh (min) of the FPGA, and the Vih of the FPGA needs to be less than the Voh (min) of the PROM. The following families meet these specifications:

Virtex/E/EM/II/IIP

Spartan/XL/II/IIE/3

4000E/EX/XL/XLA/XV

AR# 7107
Date Created 08/21/2007
Last Updated 12/15/2012
Status Active
Type General Article