SD8825 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SD8825 product

SD8825

Resonators

RTCtemperature compensatedintegrated crystalI2CSOP-14alarm interrupt

SD8825 is a temperature-compensated RTC with an integrated 32.768 kHz crystal in SOP-14. It supports I2C calendar access, alarms, countdown timing, interrupt output, frequency output, SRAM, and a unique ID.

Best for

  • Battery-backed embedded clocks
  • Industrial controllers requiring wide-temperature timekeeping
  • Applications needing alarm or periodic interrupt signals

Avoid if

  • A confirmed RoHS, REACH, ECCN, or lifecycle declaration is mandatory and has not been separately verified
  • The design cannot accommodate an SOP-14 package

Check before use

  • Write the seven RTC registers in one transaction when changing time
  • Use the documented write-protection sequence before register writes
  • Connect FCTR to a defined logic level; do not leave it floating
  • Complete each I2C transaction within 0.5 s from START

Key specifications

Main supply
2.5 V to 5.5 V
Operating temperature
-40 °C to +105 °C
I2C speed
Up to 400 kHz
Accuracy
±5 ppm from -40 °C to +85 °C
Package
SOP-14 (198 mil)

Compliance & Environment

RoHS
-
REACH
-
MSL
MSL3
ECCN
-
HTSUS
-

Application

Embedded timekeepingIndustrial control equipmentBattery-backed systems

CAD Models

Download ECAD models for SD8825: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

SD8825 is an RTC IC from WAVE with an internal 32.768 kHz crystal and temperature-compensation circuitry. It communicates through I2C and stores calendar data from year through seconds.