DS12R887-33 - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS12R887-33

Manufacturer

Analog Devices

Introduction

Real Time Clock chip providing timekeeping and memory functionalities

Product Features and Performance

Alarm function for timed notifications

Support for Leap Year time adjustments

114B of integrated NVSRAM for non-volatile data storage

Square Wave Output for wave generation

Trickle-Charger for battery backup management

Product Advantages

Incorporates time, calendar, and memory features in one component

Enhanced stability over temperature variations with low power requirements

Key Technical Parameters

Type: Clock/Calendar

Memory Size: 114 bytes

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

Date Format: YY-MM-DD-dd

Interface: Parallel

Voltage - Supply: 2.97V to 3.63V

Voltage - Supply, Battery: 2V to 3.05V

Current - Timekeeping (Max): 2mA at supplied voltage

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Reliability in extreme temperature conditions

Maintains timekeeping during power fluctuations

Compatibility

Parallel interface allows for integration with various microcontrollers

Surface Mounting compatible with standard SMT technology

Application Areas

Embedded systems requiring real-time clocks

Electronic appliances with timed operations

Industrial timers and logging equipment

Product Lifecycle

Obsolete status, meaning product may be near discontinuation

Replacement or upgrade options may be limited or require a redesign

Key Reasons to Choose This Product

Suitable for applications requiring long-term reliable timekeeping

Low power consumption for battery-powered devices

Built-in memory for additional data storage beyond timekeeping

Supports alarm and square wave functions for diversified use

Resilient across a wide range of operating temperatures