Function

Voltage range

Interface

Storage capacity

Power supply working current (maximum timing value)

Operating temperature range

Packaging form

Real time clock/calendar circuit

1.0V ~ 5.5V

one ² C

~

0.6μA @ 2V ~ 0.75μA @ 5V

-40°C ~ +85°C

SOP8,MSOP8

Serial timing chip

2.0V ~ 5.5V

3-wire serial port

~

0.3μA @ 2V ~ 1.0μA @ 5V

0°C ~ 70°C

SOP8,MSOP8

Trickle charging timing chip

2.0V ~ 5.5V

3-wire serial port

31 bytes of static RAM

0.3μA @ 2V ~ 1.0μA @ 5V

-40°C ~ +85°C

SOP8,MSOP8

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