Looking for Replacement/Equivalent IC

Freinds,
In one of my computer keyboard interface PCB, one 40-pin IC which got damaged, having following part no. of Intel make. I could not find this number in any Intel databook. Can anybody suggest me its equivalent Intel / commercially available part no..

Part no. : C35013AE

Thanks.

sujit_51

This is a mask programmed processor, cannot find datasheet or replacement part...