DS3234SN

300 INR

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Product Details:

Operating Temperature 40C to +85C
Usage Timekeeping in embedded systems, data loggers, and other electronic devices
Input SPI Serial Data Interface
Power Source Primary and backup battery supported
Power Supply 2.3V to 5.5V DC
Sensors Specification On-chip digital temperature sensor
Components Integrated TCXO, Crystal, RTC Logic, SPI Interface
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Product Description

DS3234SN Price And Quantity

Minimum Order Quantity 10 Piece
Price 300 INR

DS3234SN Product Specifications

Product Type Real-Time Clock IC
Usage Timekeeping in embedded systems, data loggers, and other electronic devices
Operating Temperature 40C to +85C
Rated Voltage 3.3V
Size 8-pin SOIC (150mil)
Power Source Primary and backup battery supported
Power Supply 2.3V to 5.5V DC
Input SPI Serial Data Interface
Color Standard IC Black
Supply Voltage 3.3V Typical
Sensors Specification On-chip digital temperature sensor
Components Integrated TCXO, Crystal, RTC Logic, SPI Interface
Frequency 32.768kHz crystal, SPI up to 20MHz
Function Real-Time Clock (RTC) with integrated temperature-compensated crystal oscillator (TCXO) and crystal
Current Rating 110A (Timekeeping), 1.4mA (Active w/ SPI)
Application Industrial Controllers, Time-stamp, Security Systems, Power Metering, Data Logging
Interface 4-wire SPI
Thickness 1.75mm (Body)
Weight Approximately 1g
Output 32.768 kHz clock, Alarm Interrupt
Resolution 1 second (RTC), 1/256 second (Fine time registers)
Dimension (L*W*H) 4.9mm x 3.9mm x 1.75mm
Features Timestamp, Battery Backup, Programmable Alarms, Square-wave Output, Integrated Temperature Sensor, High Accuracy

Product Description

Specification

Base Part Number	DS3234
Type	Clock/Calendar
Mounting Type	Surface Mount
Voltage Supply Battery	2 V ~ 3.8 V
Voltage Supply	2 V ~ 5.5 V
Time Format	HHMMSS (12/24 hr)
Supplier Device Package	20-SOIC
Part Status	Active
Packaging	Cut Tape (CT)
Package Case	20-SOIC (0.295", 7.50mm Width)
Operating Temperature	-40 deg C ~ 85 deg C
Memory Size	256B
Interface	SPI
Features	Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal
Date Format	YY-MM-DD-dd
Current Timekeeping Max	120uA ~ 160uA @ 3.63V ~ 5.5V

Precision Timekeeping for Embedded Applications

Leveraging its integrated temperature-compensated crystal oscillator (TCXO), the DS3234SN delivers highly accurate time and calendar functionseven under extreme temperature ranges. This makes it ideal for applications like industrial controllers, data loggers, and power meters where reliability is critical.

Flexible Interface and Programmable Features

The 4-wire SPI serial interface allows fast communications up to 20MHz, enabling efficient integration with various microcontrollers. Programmable dual alarms, timestamp capability, and square-wave output provide versatile functionality for custom automation and security implementations.

Reliable Backup and Nonvolatile Memory Storage

Designed for uninterrupted timekeeping, the DS3234SN supports both primary and backup power sources. Its 256-byte nonvolatile SRAM stores vital data even during power loss, making it a robust choice for systems requiring high reliability and data integrity.

FAQs of DS3234SN:

Q: How does the DS3234SN maintain accurate timekeeping under varying temperature conditions?

A: The DS3234SN uses an integrated temperature-compensated crystal oscillator (TCXO), automatically adjusting for temperature fluctuations to ensure clock accuracy: 2ppm from 0C to +40C and 3.5ppm from 40C to +85C.

Q: What are the main usage scenarios for the DS3234SN RTC?

A: Typical applications include industrial controllers, security systems, data logging, power metering, and embedded systems requiring reliable timestamping and precise time-of-day tracking.

Q: When is battery backup utilized in the DS3234SN, and what are its benefits?

A: Battery backup activates during primary power loss, ensuring ongoing timekeeping and alarm functionality. This feature benefits systems needing uninterrupted operation, such as data loggers or security devices.

Q: Where can the DS3234SN be integrated, and what is its input/output interface?

A: The DS3234SN fits standard IC sockets on PCBs, using an 8-pin SOIC footprint. It communicates via a 4-wire SPI serial interface, supporting fast data rates up to 20MHz, with outputs including 32.768kHz clock and alarm interrupts.

Q: What is the process for setting alarms and calendar functions in the DS3234SN?

A: All functionssuch as configuring time, date, and dual programmable alarmsare set through SPI commands from a host microcontroller, allowing flexible and precise system control.

Q: How does nonvolatile memory in the DS3234SN enhance system reliability?

A: With 256 bytes of integrated SRAM, the DS3234SN retains critical data during power disturbances, safeguarding system parameters and supporting robust data logging applications.

Q: What additional features and benefits does the DS3234SN offer for timekeeping?

A: The IC includes a digital temperature sensor, watchdog timer, leap-year calendar (valid through 2100), RoHS compliance, and strong ESD protection, ensuring all-round reliability, safety, and environmental responsibility.

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