Raha tsy voatanisa ny toerana misy anao dia safidio ny iray amin'ireto manaraka ireto:
Microchip Technology
IC RTC CLK/CALENDAR I2C 8-TDFN.
IDT, Integrated Device Technology Inc
IC RTC CLK/CALENDAR I2C 8-MSOP.
IC RTC CLK/CALENDAR I2C 8-TSSOP.