Sharp Electronics LH28F640SPHT-PTL12A Access Time (max): 120ns Address Bus: 23/22Bit Boot Type: Not Required Cell Type: NOR Density: 64Mb Interface Type: Parallel Lead Free Status / Rohs Status: Not Compliant Mounting: Surface Mount Number Of Words: 8M/4M Operating Supply Voltage (max): 3.6V Operating Supply Voltage (min): 2.7V Operating Supply Voltage (typ): 3V Operating Temp Range: -40C to 85C Operating Temperature Classification: Industrial Package Type: TSOP Pin Count: 56 Program/erase Volt (typ): 2.7 to 3.6V Supply Current: 50mA Sync/async: Asynchronous Word Size: 8/16Bit