3295

3295 Datasheet


PRODUCT ID 3295

Part Datasheet
3295 3295 3295 (pdf)
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Adafruit PCF8523 Real Time Clock Assembled Breakout Board

PRODUCT ID 3295

This is a great battery-backed real time clock RTC that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for datalogging, clock-building, time stamping, timers and alarms, etc. Equipped with PCF8523 RTC - it can run from 3.3V or 5V power & logic! Works great with an Arduino using our RTC library or with a Raspberry Pi or similar single board linux computer PCB & header are included Plugs into any breadboard, or you can use wires Two mounting holes Will keep time for 5 years or more

Note This product does not come with a CR1220 coin cell battery. We recommend you purchase a coin cell battery to use with this product.

The PCF8523 is simple and inexpensive but not a high precision device. It may lose or gain up to 2 seconds a day. For a high-precision, temperature compensated alternative, please check out the DS3231 precision RTC. If you need a DS1307 for compatibility reasons, check out our DS1307 RTC breakout

Technical Details

Length 25.8mm/1.02in Width 21.8mm/0.86in Height 5mm/0.2in Weight 2.3g/0.09oz Mounting holes are 2.2mm 0.086in diameter, 25mm 0.98in apart This board/chip uses I2C 7-bit address 0x68

Engineered in NYC Adafruit
More datasheets: DM74ALS174SJX | DM74ALS175N | DM74ALS174N | 5219628F | T4260-ILQH | T4260-ILQ | T4260-IL | T4260-ILSH | 18426 | A8229


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Datasheet ID: 3295 511838