Sharp Electronics LH52256CD-70LL Access Time (max): 70ns Address Bus: 15b Architecture: Not Required Clock Freq (max): Not RequiredMHz Density: 256Kb Lead Free Status / Rohs Status: Not Compliant Mounting: Through Hole Number Of Ports: 1 Number Of Words: 32K Operating Supply Voltage (max): 5.5V Operating Supply Voltage (min): 4.5V Operating Supply Voltage (typ): 5V Operating Temp Range: 0C to 70C Operating Temperature Classification: Commercial Package Type: PDIP Pin Count: 28 Supply Current: 45mA Sync/async: Asynchronous Word Size: 8b