DS1557WP-120+ - Analog Devices Inc./Maxim Integrated

Manufacturer Part Number

DS1557WP-120+

Manufacturer

analog-devices

Introduction

The DS1557WP-120+ is a highly integrated real-time clock device, featuring a variety of functions including alarm, leap year compatibility, NVSRAM, watchdog timer, and Y2K compliance, catered for applications requiring robust timekeeping and data storage.

Product Features and Performance

Real-time clock/calendar functionality

Alarm feature

Supports leap year recognition

Incorporates non-volatile SRAM (NVSRAM)

Watchdog Timer for system reset

Compliant with Y2K requirements

512kb memory size

24-hour time format: HH:MM:SS

Date format: YY-MM-DD-dd

Parallel interface

Product Advantages

Integrated multiple functionalities reduces component count

On-chip NVSRAM ensures data retention without power

Watchdog timer enhances system reliability

Leap Year and Y2K compatibility ensures long-term usability

Key Technical Parameters

Memory Size: 512kb

Time Format: HH:MM:SS (24 hr)

Interface: Parallel

Voltage - Supply: 2.97V ~ 3.63V

Operating Temperature: 0°C ~ 70°C

Mounting Type: Surface Mount

Package / Case: 34-PowerCap™ Module

Quality and Safety Features

Built-in NVSRAM for reliable data storage

Operates within 0°C to 70°C ensuring stability in varied environments

Compatibility

Designed for systems requiring stable and reliable timekeeping and data storage

Application Areas

Telecommunications

Embedded systems

Industrial time logging

Consumer electronics

Product Lifecycle

The product status is active and currently not nearing discontinuation. Upgrades or replacements are readily available.

Several Key Reasons to Choose This Product

Reliable integration of RTC and memory features

Support for essential safety functions like Watchdog Timer

Variety of power and interface options to fit different system needs

Enhanced usability through Y2K and leap year compliance

Optimal operating temperature range for diverse environments