STMicroelectronics Timekeeping IC Package of 1 piece Shipped in anti-static packaging Specifications: Manufacturer: STMicroelectronics Product Category: Real Time Clock RoHS: No Mounting Style: SMD/SMT Package / Case: SOIC-28 RTC Bus Interface: Parallel Time Format: HH:MM:SS Brand: STMicroelectronics Battery Backup Switching: Backup Switching RTC Memory Size: 8192 B Supply Voltage - Max: 5.5 V Supply Voltage - Min: 4.5 V Maximum Operating Temperature: + 70 C Minimum Operating Temperature: 0 C Packaging: Tube Function: Calendar, Clock, NV Timekeeping RAM