Maxim Integrated DS1307+, Real Time Clock (RTC), 56B RAM Serial-I2C, 8-Pin PDIP, Functions: Alarm, Battery Backup, Calendar, Power Fail, Date Format: DW:DM:M:Y, Time Format: HH:MM:SS, Mounting Type: Through Hole, Dimensions: 9.91 x 7.87 x 4.45mm, Length: 9.91mm, Width: 7.87mm, Maximum Operating Supply Voltage: 5.5 V, Maximum Operating Temperature: +70 °C, Minimum Operating Supply Voltage: 4.5 V
