DS3234S#T&R

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DS3234S#T&R

IC RTC CLK/CALENDAR SPI 20SOIC

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規格

Part Status Active
DigiKey Programmable Not Verified
Type Clock/Calendar
Features Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal
Memory Size 256B
Time Format HH:MM:SS (12/24 hr)
Date Format YY-MM-DD-dd
Interface SPI
Voltage - Supply 2V ~ 5.5V
Voltage - Supply, Battery 2V ~ 3.8V
Current - Timekeeping (Max) 120µA ~ 160µA @ 3.63V ~ 5.5V
Operating Temperature 0°C ~ 70°C
Mounting Type Surface Mount
Package / Case 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC
Base Product Number DS3234

概述

Description

The DS3234S#T&R is a highly accurate real-time clock (RTC) module from Maxim Integrated (now part of Analog Devices). It features a built-in temperature-compensated crystal oscillator (TCXO) for precise timekeeping and operates on a supply voltage of 2.3V to 5.5V. The DS3234S includes an I2C interface for easy communication with microcontrollers, making it ideal for embedded applications.
Key features include a programmable square wave output, an alarm function, and a watchdog timer. The device can maintain time and date information even during power outages, thanks to a backup battery input. Its low power consumption makes it suitable for battery-operated devices.
The "#T&R" suffix indicates that the part is available in tape and reel packaging, which is convenient for automated assembly processes. Overall, the DS3234S#T&R is widely used in consumer electronics, IoT devices, and industrial applications where accurate timekeeping is essential.

Features

The DS3234S#T&R is a real-time clock (RTC) from Maxim Integrated, featuring a precise timekeeping capability with an integrated temperature-compensated crystal oscillator. Key features include:
1. Timekeeping Accuracy: Maintains accurate time with a typical drift of ±2 minutes per year.
2. Battery Backup: Supports a backup battery for continuous operation during power outages.
3. I2C Interface: Communicates via a 2-wire I2C interface for easy integration with microcontrollers.
4. Alarm Functions: Includes two programmable alarms for event-driven applications.
5. Temperature Compensated: Operates reliably across a wide temperature range (-40°C to +85°C).
6. Low Power Consumption: Designed for low power applications, making it suitable for battery-operated devices.
7. 32 kHz Output: Provides a 32.768 kHz square wave output for clock signals.
8. Programmable Square Wave: Offers programmable square wave output options.
These features make the DS3234S#T&R ideal for various applications, including consumer electronics, industrial equipment, and battery-powered devices.

Package

The DS3234S#T&R is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package). This compact package design allows for efficient space utilization on PCBs while providing the necessary functionality for real-time clock applications.

Pinout

The DS3234S#T&R is a real-time clock (RTC) module featuring a 20-pin TSSOP package. It provides precise timekeeping and includes an integrated oscillator, alarm functions, and a temperature sensor.
Pin Count: 20 pins
Key Functions:
1. Power Supply: Operates with a supply voltage of 2.3V to 5.5V.
2. I2C Interface: Communicates with microcontrollers via a two-wire I2C interface.
3. Timekeeping: Tracks time and date with a resolution of seconds.
4. Alarms: Capable of setting multiple alarm functions for time-based alerts.
5. Temperature Measurement: Includes a temperature sensor for environmental monitoring.
6. Backup Power: Can switch to a backup battery to maintain time during power outages.
7. Oscillator: Integrated 32.768 kHz crystal oscillator for accuracy.
This combination of features makes the DS3234S#T&R suitable for various embedded applications requiring timekeeping and environmental monitoring.

Manufacturer

The manufacturer of the DS3234S#T&R is Maxim Integrated, which is now part of Analog Devices, Inc. Established in 1983, Maxim Integrated specializes in designing and producing analog and mixed-signal integrated circuits. The company focuses on various sectors, including automotive, industrial, communication, consumer, and medical applications. Their products are widely used in applications that require precise timing, power management, and high-performance analog functions. The DS3234S is a real-time clock (RTC) with an integrated temperature sensor, showcasing Maxim Integrated's expertise in creating solutions that meet the needs of modern electronic systems.

Application

The DS3234S#T&R is a real-time clock (RTC) with integrated temperature compensation and programmable alarms, suitable for various applications. Common areas include battery-powered devices, industrial automation, consumer electronics, smart meters, and home automation systems. Its features support accurate timekeeping in systems requiring low power consumption and precise timing, such as data loggers, medical devices, and IoT applications.

Equivalent

Equivalent products to the DS3234S#T&R real-time clock include the MCP7940M from Microchip, the PCF8523 from NXP, and the RTC8564 from Maxim Integrated. These alternatives provide similar functionalities such as timekeeping, alarms, and I2C communication, but may differ in specific features and pin configurations. Always check datasheets for compatibility and specifications.

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