DS3234SN# - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS3234SN#

Manufacturer

Analog Devices

Introduction

The DS3234SN# is a highly accurate, low-power clock/calendar with an integrated temperature-compensated crystal oscillator (TCXO) and crystal, targeting a wide range of applications in the Clock/Timing Real-Time Clocks category.

Product Features and Performance

Accurate clock/calendar with leap year compensation

Integrated Temperature-Compensated Crystal Oscillator (TCXO) for high precision

256B of SRAM for data storage

Alarm function for meeting reminders or wake-up signals

Generates square wave output for external devices

Supports both 12-hour and 24-hour time formats

SPI interface facilitates simple integration with microcontroller systems

Low timekeeping current of 120µA to 160µA enables extended battery life

Product Advantages

High precision and reliability due to TCXO integration

Low power consumption enhances battery life

Flexible alarm function and square wave output increase application utility

Easy to program via the SPI interface

256B SRAM offers sufficient data backup storage

Key Technical Parameters

Time Format: HH:MM:SS (12/24 hr)

Date Format: YY-MM-DD-dd

Interface: SPI

Voltage Supply: 2V ~ 5.5V

Voltage Supply, Battery: 2V ~ 3.8V

Current Timekeeping (Max): 120µA ~ 160µA @ 3.63V ~ 5.5V

Operating Temperature: -40°C ~ 85°C

Packaging: 20-SOIC Surface Mount

Quality and Safety Features

Operates reliably in a wide temperature range of -40°C to 85°C

Robust surface mount package ensures secure PCB mounting

Compatibility

SPI communication interface is widely used and compatible with most microcontrollers

Application Areas

Embedded systems

Industrial timekeeping

Consumer electronics

Wearable devices

IoT devices

Data loggers

Product Lifecycle

Status: Active

The DS3234SN# is not nearing discontinuation, and Analog Devices typically provides ample notice for product end-of-life or upgrades.

Several Key Reasons to Choose This Product

High-precision timekeeping ideal for applications requiring accurate time tracking

Low power consumption for battery-powered devices

Integrated alarm and square wave output functionalities increase design flexibility

Robust operating temperature range suits a variety of environments

Easy integration with most systems via the SPI interface

Reliable product lifecycle with active status ensures long-term availability and support