DS1305EN - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS1305EN

Manufacturer

Analog Devices

Introduction

DS1305EN is a serial real-time clock with alarm functionality from Analog Devices, offering timekeeping in HH:MM:SS format along with additional features.

Product Features and Performance

Alarm

Leap Year Correction

NVSRAM for Data Backup

Trickle-Charger for External Capacitor/Battery

Memory Size of 96 Bytes

SPI Interface for Communication

Supports Both 12 and 24-Hour Formats

Date Format YY-MM-DD-dd

Product Advantages

Low Power Consumption

Non-Volatile Memory Preservation

High Accuracy Timekeeping

Reliable Under Wide Range of Operating Temperatures

Key Technical Parameters

Voltage Supply Range: 2V to 5.5V

Voltage Supply, Battery Range: 2V to 5.5V

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

Operating Temperature: -40°C to +85°C

Day of the Week Calculation

Quality and Safety Features

Built-in Power-Fail Detect

Automatic Switch to Battery on Power-Loss

Operating Temperature Range Ensures Stability Across Environments

Compatibility

SPI Interface Compatibility with Microprocessors

Application Areas

Embedded Systems

Consumer Electronics

Industrial Applications

Office Electronics

Product Lifecycle

Obsolete

Potential Need for Product Replacement or Upgrade

Several Key Reasons to Choose This Product

High Integration with Alarm and Calendar Functions

Maintenance-Free Operation

Extensive Operating Voltage Range

Ease of Integration with Existing Microprocessor Systems

Surface Mount Technology for Compact PCB Design

Industry Proven Performance and Reliability