DS3234S#
high-accuracy SPI real-time clock with integrated crystal and 256 bytes of battery-backed SRAM
Key details
| Part Number | DS3234S# |
|---|---|
| Manufacturer | Analog Devices |
| Category | Real-Time Clock |
| Lifecycle Status | Production |
| Series | DS3234 |
| Package / Case | 20-pin wide SOIC, 300 mil |
| Pin Count | 20 |
| Operating Temperature | 0°C to +70°C |
| Last Verified | 2026-07-26 |
Part information
DS3234S# Overview
DS3234S# is a Analog Devices high-accuracy SPI real-time clock with integrated crystal and 256 bytes of battery-backed SRAM supplied in 20-pin wide SOIC, 300 mil. This page uses the exact orderable code because package, grade, temperature and option suffixes can change compatibility.
Key Technical Specifications
| Timekeeping Accuracy | ±2 ppm from 0°C to +40°C |
|---|---|
| Serial Interface | SPI up to 4 MHz |
| Supply Voltage | 3.3 V nominal operation |
| Battery Backup | Supported |
| User Memory | 256 bytes battery-backed SRAM |
Package and Ordering Notes
The listed package is 20-pin wide SOIC, 300 mil with 20 pins, leads, lands or contacts. The featured image is a generic package illustration for form-factor identification and is not an actual date-code or lot photograph. The part or family is listed by Analog Devices as Production at the verification date.
Sourcing Guidance
Confirm current factory lead time, revision, temperature grade and packing format for DS3234S# before ordering.
For an accurate quotation, include the full MPN, target quantity, acceptable date-code range, packaging format and destination. Icearth can help review traceability documents, label photos and electrical/package alignment before order placement.
Manufacturer Documentation
Technical values were checked against Analog Devices documentation. Use the linked datasheet as the controlling source and re-check revisions before PCB release or firmware qualification.
DS3234S# FAQ
What is DS3234S#?
DS3234S# is a Analog Devices high-accuracy SPI real-time clock with integrated crystal and 256 bytes of battery-backed SRAM. It belongs to the DS3234 family.
What are the key specifications of DS3234S#?
Timekeeping Accuracy is ±2 ppm from 0°C to +40°C, while Serial Interface is SPI up to 4 MHz. Check the manufacturer datasheet for revision-controlled limits and test conditions.
What package does DS3234S# use?
DS3234S# is supplied in 20-pin wide SOIC, 300 mil with 20 pins, leads or contacts. Verify the exact footprint and ordering suffix before PCB release.
Is DS3234S# still in production?
DS3234S# was listed by Analog Devices as Production when checked on 2026-07-26. Confirm the current factory status, revision, packing format and lead time before ordering.
What should be checked before sourcing DS3234S#?
Confirm the complete MPN, lifecycle, package, temperature grade and packing format. Do not treat a similar family code as a drop-in replacement without checking the datasheet.
Lifecycle and sourcing review
Lifecycle information is shown for reference. Confirm current manufacturer documentation, availability and technical suitability before purchase.
Confirm current factory lead time, revision, temperature grade and packing format for DS3234S# before ordering.