ST MICROELECTRONICS M48T128
Benefits of the DS1646/DS1746 real-time clocks over the M48T128:
- DS1746 has 4 digit year and battery status flag bit
- The DS1746 offers 5V and 3.3V operation
Benefits of the M48T128 over the DS1646/DS1746:
- SNAPHAT®package is smaller than the PowerCap package
- Software clock calibration
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