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DS3234SN# The DS3234SN# from Analog Devices / Maxim Integrated is an extremely accurate SPI bus real-time clock with integrated crystal and 256 bytes of battery-backed SRAM. It offers high accuracy and a wide operating temperature range.
Mfr Part #:

DS3234SN#

Available from 3 distributors
Mfr Name: Analog Devices / Maxim Integrated
Analog Devices / Maxim Integrated
The DS3234SN# from Analog Devices / Maxim Integrated is an extremely accurate SPI bus real-time clock with integrated crystal and 256 bytes of battery-backed SRAM. It offers high accuracy and a wide operating temperature range.
✓ Total Stock: 1,984 pcs

DS3234SN# Available from 3 distributors

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✓ Non-Authorised
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Components Technology Group, Inc. ✓
Non-Authorised Inventory information
1,697 pcs
On Request
1697 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
264 pcs
On Request
264 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
23 pcs
On Request
23 pcs On Request 1 On Request On Request On Request On Request On Request
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DS3234SN# Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Date Format
Features
Interface
Lead Spacing
Memory Size
Mounting Type
Operating Temperature
Supplier Device Package
Supplier Package
Tape & Reel
Time Format
Type
Voltage
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DS3234SN# Description

Short technical summary and product information.

The DS3234SN# is a low-cost, highly accurate SPI bus real-time clock (RTC) from Analog Devices / Maxim Integrated, featuring an integrated temperature-compensated crystal oscillator (TCXO) and crystal. It manages all timekeeping functions, including seconds, minutes, hours, day, date, month, and year, with leap year compensation valid up to 2099. The device boasts an accuracy of ±2ppm from 0°C to +40°C and ±3.5ppm from -40°C to +85°C.

 

This RTC includes 256 bytes of battery-backed SRAM, ensuring timekeeping continuity during main power loss. It supports both 24-hour and 12-hour formats with an AM/PM indicator. Additional features include two programmable time-of-day alarms and a programmable square-wave output. The interface is a simple serial SPI bus, compatible with most microcontrollers, supporting modes 1 and 3 with a 4MHz clock speed.

 

The DS3234SN# is designed for applications such as servers and utility power meters. It operates over a voltage range of 2V to 3.8V and has a typical current consumption of 120µA to 160µA. The device is housed in an industry-standard 300-mil, 20-pin SO package and is designed for surface mounting.

DS3234SN# Quick Information

Product Type: Real-Time Clock
Canonical Name: DS3234SN# SPI Bus Real-Time Clock with Integrated Crystal and SRAM

DS3234SN# Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

DS3234SN# Features

  • Extremely accurate SPI bus real-time clock.
  • Integrated temperature-compensated crystal oscillator.
  • 256 bytes of battery-backed SRAM included.
  • Accuracy of ±2ppm from 0°C to +40°C.
  • Surface mount 20-SOIC package.

DS3234SN# Applications

  • Ideal for server timekeeping needs.
  • Suitable for utility power meters.
  • Used in telematics systems.
  • Applicable for GPS modules.

DS3234SN# FAQs

6 frequently asked questions generated from this part’s specifications.
What is the accuracy of the DS3234SN# RTC?

The accuracy is ±2ppm from 0°C to +40°C and ±3.5ppm from -40°C to +85°C.

What is the operating temperature range for the DS3234SN#?

The operating temperature range is -40°C to 85°C.

What type of interface does the DS3234SN# use?

The DS3234SN# uses an SPI interface.

How much battery-backed SRAM does the DS3234SN# have?

The DS3234SN# has 256 bytes of battery-backed SRAM.

What package is the DS3234SN# supplied in?

The DS3234SN# is supplied in a 20-SOIC package.

What is the voltage range for the DS3234SN#?

The operating voltage range is 2V to 3.8V.

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