http://www.loadparts.com/Catalog/t/5725.asp TC57H1000AD TC57H1000 57H1000AD TC57H1000AD TOS 17 Datasheet Cross Part Alternate Parts (cross reference Parts) 27C010 | 27C040 | 27C100 | 27C210 | 27C240 | 27C256 | 27C400 | 27C512 | 27C800 | AM27C010 |