(China (Mainland))
Product Summary
New and original,adsolutely guarantee!
The DS1340 is a real-time clock (RTC)/calendar that is pin compatible and functionally equivalent to the ST M41T00, including the software clock calibration. The device additionally provides trickle-charge capability on the VBACKUP pin, a lower timekeeping voltage, and an oscillator STOP flag. Block access of the register map is identical to the ST device. Two additional registers, which are accessed individually, are required for the trickle charger and flag. The clock/calendar provides seconds, minutes, hours, day, date, month, and year information. A built-in power-sense circuit detects power failures and automatically switches to the backup supply. The device is programmed serially through an I2C bidirectional bus.
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 DS1340C-33# |
Maxim Integrated Products |
Real Time Clock I2C RTC w/Trickle Charger |
Data Sheet |
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DS1340C-33#T&R |
Maxim Integrated Products |
Real Time Clock I2C RTC w/Trickle Charger |
Data Sheet |
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