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Rochester Electronics DS17285S-3 Environmental and export classification status description

The Maxim Integrated DS17285S-3 is a real-time clock (RTC) IC integrated circuit that typically provides timekeeping functions in embedded systems. Below is a comprehensive overview of the component, its functions, applications, alternative components, and embedded modules, as well as some related questions and answers. Overview The DS17285S-3 is an enhanced version of the traditional RTCs, featuring additional functionalities like a built-in oscillator and programmable timekeeping capabilities. It operates on a low power supply and is often used in battery-powered devices due to its power efficiency. Functions 1. Real-Time Clock: Keeps track of the current time and date, including hours, minutes, seconds, day, month, and year. 2. Alarm Functions: Allows the setting of alarms for various time constraints, generating interrupt signals. 3. Battery Backup: Can operate with an external battery when the main power supply fails, ensuring timekeeping accuracy. 4. Programmable Output: Features programmable output signals for time-dependent events. 5. Multipurpose Timer: Can also work as a timer for various applications that require countdown features. Applications 1. Embedded Systems: Used in microcontroller environments to keep track of time. 2. Consumer Electronics: Functions in devices such as clocks, timers, and home appliances that require accurate timing. 3. Industrial Automation: Employed in systems to time-stamp events and maintain accurate timing for processes. 4. Smart Meters: Utilized in energy metering applications to keep track of time for billing cycles. 5. Computer Systems: Often found in PCs to maintain the system clock when the computer is powered off. Alternative Components 1. Microchip MCP7940N: A low-power real-time clock with an integrated EEPROM. 2. NXP PCF8523: Another RTC IC that includes an oscillator and supports battery backup. 3. Texas Instruments BQ32000: A real-time clock chip designed for low power applications with programmable features. 4. Seiko Instruments S-35390A: A small real-time clock solution suitable for portable devices. Embedded Modules 1. RTC Breakout Boards: Modules that include the DS17285S-3 for easy integration into prototyping boards like Arduino or Raspberry Pi. 2. Timekeeping Snap Modules: Designed for use with other embedded systems, facilitating the easy addition of RTC functions. 3. IoT Device Modules: RTC modules that serve as clock components in various IoT applications. Related Q&A Q1: What is the primary function of the DS17285S-3? A1: The primary function of the DS17285S-3 is to provide accurate real-time clock (RTC) capabilities, keeping track of the current time and date. Q2: How does the DS17285S-3 maintain time during power failures? A2: The DS17285S-3 features a battery backup mode that allows it to maintain timekeeping even when the primary power source is disconnected, typically using a small coin cell battery. Q3: In which applications would you typically find the DS17285S-3 used? A3: The DS17285S-3 is commonly used in embedded systems, consumer electronics, industrial automation, smart meters, and computers for maintaining an accurate time reference. Q4: Can the DS17285S-3 generate alarm signals? A4: Yes, the DS17285S-3 is capable of generating alarm signals at specified times, which can trigger interrupts in the connected system. Q5: What are the power requirements of the DS17285S-3? A5: The DS17285S-3 operates on a low voltage, generally around 2.0V to 5.5V, making it suitable for battery-powered devices requiring low power consumption. This overview provides a solid understanding of the DS17285S-3, its capabilities, practical uses, and alternatives in the realm of integrated circuits.