AT93C56-10SI AT93C5610SI1.8 AT93C56-10SI-1.8 AT93C56-10SI1.8 2006/04/25 PH AT93C56-10SI-2.5 AT93C5610SI2.7 AT93C56-10SI2.7 AT93C56-10SI-2.7 AT93C56-10SI-2.7 SL383 AT93C56-10SI-2.7 SOP8