描述

Are any CoolRunner devices 5V I/O-tolerant? If so, which ones?

解决方案

CoolRunner-II devices are not 5V tolerant. (Xilinx XAPP429) discusses methods of adding external circuitry to allow CoolRunner-II to operate in a 5V environment.

CoolRunner devices that are 5V-tolerant include the entire CoolRunner XPLA3 family.

The following are obsoleted CoolRunner families and members that are 5V-tolerant:

XCR22LV10

XCR3032A

XCR3064A

XCR3128A

XCR3320C

XCR5xxx