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Adafruit PiRTC - PCF8523 Real Time Clock for Raspberry Pi

ADA3386 · AdafruitActive

Adafruit PiRTC - PCF8523 Real Time Clock for Raspberry Pi photo
Adafruit PiRTC - PCF8523 Real Time Clock for Raspberry Pi illustration

Adafruit product #3386 — built on PCF8523.

Part numberADA3386
ManufacturerAdafruit
CategoryInterface & Expansion › RTC & Timing
Pins6

Adafruit PiRTC - PCF8523 Real Time Clock for Raspberry Pi pinout

PinNameTypeDescription
13.3Vpower
2+5Vpower
3SDAbidirectional
4+5Vpower
5SCLbidirectional
6GNDground

Schematic symbol and footprint

123456
Footprint: Adafruit PiRTC PCF8523 (header pads) — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.

Datasheet

Where to buy

SupplierStockPriceStatus
Mouser0$7.50 (1+)View
DigiKey365$7.50 (1+)ActiveView

Stock and prices from the suppliers, checked 2026-10-08; excluding tax and shipping.

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