The RV-5028-C7 Medical Real-Time Clock Module is manufactured specifically for use in implantable medical devices. It incorporates a real-time clock CMOS circuit and built in 32.768 kHz crystal. Micro Crystal’s long history in supplying medical grade timing devices ensures that the RV-5028-C7 Medical is produced in accordance with the highest quality production technologies. Long-term reliability is of utmost importance (Class III Implantable) and a hallmark of Micro Crystal’s entire medical implantable grade portfolio.

Medical implantable key features:

• safe for helium environment: ceramic lid with gold-tin preform-seal for best long-term hermeticity and stability
• proprietary manufacturing and testing processes
• long-term aging stability 
• customer specific testing/screening on request
• components and manufacturing traceability records retained
• small size, low profile, lightweight (12.9 mg)

Features:

• extreme low power consumption: 45 nA @ 3 V
• wide operating voltage range: 1.1 V to 5.5 V
• time accuracy: factory calibrated to ±1 ppm @ 25°C
• programmable password for write protection of time and configuration
• automatic backup switchover and trickle charger function
• provides year to seconds and UNIX
• timer, alarm and external event input with time stamp function
• clock output: 32.768 kHz, 8192 Hz, 1024 Hz, 64 Hz, 32 Hz, 1 Hz
• 43 bytes non-volatile user memory, 2 bytes user RAM
• I2C-bus interface: 400 kHz

Applications:

• neurostimulators
• cardiac monitoring devices
• infusion pumps
• smart orthopedic implants