FM3135

The FM3135 is a integrates a real-time clock (RTC) and F-RAM nonvolatile memory. The features of FM3135 are as follows: (1)High Integration Device Replaces Multiple Parts; (2)64Kb Ferroelectric Nonvolatile RAM; (3)Fast Two-wire Serial Interface; (4)Real-time Clock/Calendar; (5)Easy to Use Configurations.

The following is about the absolute maximum ratings of FM3135: (1)Power Supply Voltage with respect to VSS: -1.0V to +5.0 V; (2)Voltage on any pin with respect to VSS: -1.0V to +5.0 V and VIN < VDD+1.0V *; (3)Storage Temperature: -55°C to +125°C; (4)Lead Temperature (Soldering, 10 seconds): 300°C.

The electrical characteristics of the FM3135 are: (1)Main Power Supply: 2.7 to 3.6 V; (2)VDD Supply Current @ SCL = 100 kHz: 150A, @ SCL = 1 MHz: 500A; (3)Standby Current: Trickle Charger Off (VBC=0) 50A, Trickle Chrg On, Fast Chrg Off (VBC=1, FC=0) 190A, Trickle Chrg On, Fast Chrg On (VBC=1, FC=1) 2600A; (4)RTC Backup Supply Voltage: 2.0 V min, 3.0 V typ and 3.6 V max; (5)RTC Backup Supply Current: 1 A.