DS1305EN+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS1305EN+

Manufacturer

Analog Devices

Introduction

The DS1305EN+ is a serial alarm real-time clock (RTC) with features tailored for applications requiring precise timekeeping and alarm functions.

Product Features and Performance

Features include Alarm, Leap Year correction, NVSRAM, and Trickle-Charger

Clock/Calendar functionality with time format HH:MM:SS (12/24 hr)

Date format YY-MM-DD-dd provides a full calendar up to the year 2099

NVSRAM for data storage and backup

Memory Size of 96 bytes

SPI interface for communication with microcontrollers

Trickle-Charger to maintain battery backup for timekeeping

Product Advantages

High precision timekeeping enhances device reliability

Low power consumption ensures longevity in battery-operated systems

Compact 20-TSSOP package saves board space

Trickle-Charger feature prevents data loss during power failures

Non-volatile memory maintains critical data

Key Technical Parameters

Voltage Supply: 2V to 5.5V

Voltage Supply, Battery: 2V to 5.5V

Current Timekeeping (Max): 25.3µA to 81µA at 2V to 5V

Operating Temperature range of -40°C to 85°C

Interface type: SPI

Quality and Safety Features

Robust operation in extended temperature ranges

Reliable storage in non-volatile memory

Compatibility

Compatible with a broad range of microcontrollers via SPI

Easy to integrate with systems running on 2V to 5.5V power supplies

Application Areas

Embedded systems

Consumer electronics

Office electronics

Personal computing devices

Product Lifecycle

Active product status

Not nearing discontinuation

Upgrades or replacements may be available for future requirements

Several Key Reasons to Choose This Product

The DS1305EN+ provides high precision and reliability suited for critical applications

Its low power consumption is ideal for battery-sensitive designs

A wide operating temperature range ensures performance in harsh environments

The integration of NVSRAM for data backup adds an extra layer of data security

The manufacturer, Analog Devices, is known for delivering high-quality and durable components