DS1340U-33 - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS1340U-33

Manufacturer

Maxim Integrated

Introduction

Real-time clock (RTC) integrated circuit with calendar and trickle-charger

Product Features and Performance

Leap year calendar

Trickle-charger function

2-wire serial interface

24-hour time format

Year-month-day-day date format

Low power consumption (150μA max timekeeping current at 5.5V)

Wide operating voltage range (2.97V to 5.5V)

Wide operating temperature range (-40°C to 85°C)

Product Advantages

Automatic leap year compensation

Trickle-charger function for battery backup

2-wire serial interface for easy integration

Low power consumption for extended battery life

Key Technical Parameters

Voltage Supply: 2.97V to 5.5V

Voltage Supply, Battery: 1.3V to 5.5V

Current Timekeeping (Max): 150μA @ 5.5V

Operating Temperature: -40°C to 85°C

Package: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)

Mounting Type: Surface Mount

Quality and Safety Features

RoHS non-compliant

Manufacturer's packaging: 8-uMAX/uSOP

Compatibility

Can be used in a wide range of electronic devices and systems that require a real-time clock with calendar and trickle-charger functionality.

Application Areas

Consumer electronics

Industrial automation

Automotive electronics

Portable devices

IoT applications

Product Lifecycle

The DS1340U-33 is an active product, and Maxim Integrated continues to provide support and availability. There are no immediate plans for discontinuation, and replacement or upgrade options may be available.

Several Key Reasons to Choose This Product

Integrated real-time clock and calendar with leap year functionality

Trickle-charger for battery backup, ensuring data retention during power loss

Low power consumption, enabling extended battery life in portable applications

Wide operating voltage and temperature ranges, providing design flexibility

2-wire serial interface for easy integration into various electronic systems

Surface mount package options for efficient board layout and assembly