This article on CCN.com (
click for link) says the miner uses 55nm ZeusMiner chips but doesn't give any further information on the specs of the chips other than that, though I did do a search for the 55nm ZeusMiner chips and it seems to be the same ones that are in the other larger ZeusMiner units like the X3 and the Falcon as well.
This post from Cryptomining-blog (
click for link) shows the name of the chip as 'ZEUS101' and a few numbers afterwards. Seems to be the only picture of a disassembled Blizzard I can find at the moment.