Sharp Electronics LH28F640BFHG-PTTLZ6 Access Time (max): 80ns Address Bus: 22b Boot Type: Top Cell Type: NOR Density: 64Mb Interface Type: Parallel Lead Free Status / Rohs Status: Not Compliant Mounting: Surface Mount Number Of Words: 4M Operating Supply Voltage (max): 3.6V Operating Supply Voltage (min): 2.7V Operating Supply Voltage (typ): 3.3V Operating Temp Range: -40C to 85C Operating Temperature Classification: Industrial Package Type: CSP Pin Count: 48 Supply Current: 25mA Sync/async: Asynchronous Word Size: 16b