TEXAS INSTRUMENTS BQ4830
Benefits of the DS1644/DS1744 real-time clock over the BQ4830:
- DS1744 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 BQ4830 real-time clock over the DS1644/DS1744:
- Software clock calibration
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