FM30C256-SA

The FM30C256-SA is a 256-kilobit data collection subsystem including nonvolatile RAM, timekeeping, CPU supervisor, and system tamper detection. The features of FM30C256-SA are as follows: (1)256K bit Ferroelectric Nonvolatile RAM; (2)Fast Two-wire Serial Interface; (3)Real-time Clock/Calendar; (4)System Supervisor.

The following is about the absolute maximum ratings of FM30C256-SA : (1)Power Supply Voltage with respect to VSS: -1.0V to +7.0 V; (2)Voltage on any pin with respect to VSS: -1.0V to +7.0 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 FM30C256-SA are: (1)Main Power Supply: 4.5 V min, 5.0 V typ and 5.5 V max; (2)VDD Supply Current: @ SCL = 100 kHz 300A, @ SCL = 400 kHz 650A, @ SCL = 1 MHz: 1.35mA; (3)Standby Current: 150 A; (4)Clock Backup Voltage: 2.5 V min, 3.0 V typ and 3.5 V max; (5)Clock Backup Current: 1 A; (6)VDD trip point voltage that activates /RST: 4.2 V to 4.5 V; (7)VRST VDD min for Active /RST @ IOL = 80 A, VOL = 0.4V: 1.2 V.