TEXAS INSTRUMENTS BQ4850
Benefits of the DS1647/DS1747 real-time clock over the BQ4850:
- DS1747 is available in 3.3v version
- 70nsec vs. 85nsec
- Has 4 digit year and battery status flag bit
- Available in a PowerCap package
Benefits of the BQ4850 real-time clock over the DS1647/DS1747:
- Software clock calibration
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