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See Technical Specifications

DS1340U-33+ +BOM

Calendar 8-Pin μSOP

Manufacturer:

Analog Devices
Mfr.Part #:

DS1340U-33+
Datasheet:

DS1340U-33+ Datasheet (PDF)
Mounting Style:

SMD/SMT
RTC Bus Interface:

I2C, Serial
Date Format:

YY-MM-DD-dd
Time Format:

HH:MM:SS
EDA/CAD Models:

Request Free CAD Models for DS1340U-33+

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DS1340U-33+ General Description

The DS1340U-33+ is a real-time clock (RTC) module manufactured by Maxim Integrated. It operates at a voltage of 3.3 volts and comes in a small surface-mount package. The device integrates a precision oscillator and a battery-backed, I2C-compatible serial interface. With its accurate timekeeping and low-power consumption, it's suitable for various applications, including consumer electronics, industrial equipment, and automotive systems.Key features include a temperature-compensated crystal oscillator (TCXO) ensuring accurate timekeeping across a wide temperature range, automatic power-fail detection and battery backup, and a programmable alarm with repeat modes. The I2C interface enables simple integration with microcontrollers and other digital systems. Additionally, it offers trickle charging for the backup battery, ensuring continuous operation even during power interruptions.

Key Features

Real-time clock module

I2C interface for communication

Integrated oscillator and battery

Accuracy of ±2 minutes per year

Operating voltage of 2.97 to 4.5 V

Low power consumption

Industrial temperature range (-40°C to +85°C)

Small and compact form factor for easy integration

Application

The DS1340U-33+ is commonly used in real-time clock (RTC) applications, such as in embedded systems, data logging devices, and battery-powered devices requiring precise timekeeping

It provides accurate time and date information, along with battery backup support, making it suitable for various electronic devices where time tracking is essential

Specifications

Product Category	Real Time Clock	Mounting Style	SMD/SMT
RTC Bus Interface	I2C, Serial	Date Format	YY-MM-DD-dd
Time Format	HH:MM:SS	Battery Backup Switching	Backup Switching
Supply Voltage - Max	5.5 V	Supply Voltage - Min	2.97 V
Minimum Operating Temperature	- 40 C	Maximum Operating Temperature	+ 85 C
Function	Calendar, Clock, Trickle Charger	Operating Supply Current	192 uA
Product Type	Real Time Clocks	Series	DS1340U
Factory Pack Quantity	50	Subcategory	Clock & Timer ICs
Part # Aliases	DS1340U 90-1340U+033	Unit Weight	0.000811 oz