want to know something for finish the NES / MD and SNES cart save part …

more info: http://www.neoflash.com/forum/index.php/topic,4449.0.html

now we have to support the NES / MD and SNES game save hardware on the myth cart, so we want to know:

what save chip have used with the NES / MD and SNES cart? and the exactly save IC part number is?

thanks for the help, the good helper will get whole set free neo myth cart