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Altera_Forum
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9 years ago

Configure 3.3V outputs on MAX7000

Hi, I want to supply a MAX7000 with 5V and have most of the I/O using TTL inputs & outputs. I also want to have 8 bidirectional pins at 3.3v. I see the option in Quartus to set the ...
Altera_Forum's avatar
Altera_Forum
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9 years ago

Hi Alex,

thanks a lot for the reply. That info wasn't clear from the datasheet, I was hoping that the VCCIO was segregated between the LABs, rather than a single VCCIO rail.

Out of interest, is there another datasheet or product note that describes this better, or did I just misread the info in the MAX7000 datasheet.

It looks like I will keep the device at 5v and have an external buffer to do the level shifting for the 8 bit bus

regards

Dave