Maxim Integrated DS1312S-2+, SRAM Controller Unit, 6V, 10ns, 8-Pin SO
Maxim Integrated DS1312S-2+, SRAM Controller Unit, 6V, 10ns, 8-Pin SO, Write Protect Control: Yes, Mounting Type: Surface Mount, Dimensions: 5 x 4 x 1.5 V, Maximum Operating Temperature: +85 °C, Minimum Operating Supply Voltage: 4.