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Name: DS1643P-85+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1643P-85+
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Analog Devices Inc./Maxim Integrated DS1643P-85+

Part No.:: DS1643P-85+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 34-PowerCap™ Module

Datasheet:: DS1643P-85+.pdf

Description:: IC RTC CLK/CALENDAR PAR 34-PCM

In Stock:: 3890

Quantity:: Add To Cart

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DS1643P-85+ Specifications

Package/Case:
34-PowerCap™ Module
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM
MemorySize:
8KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
3V
Current-Timekeeping(Max):
3mA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

DS1643P-85+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1643P-85+ price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for DS1643P-85+ to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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DS1643P-85+ information

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Basic introduction and simple engineering application of DS1643P-85+

DS1643P-85+ is a real-time clock (RTC) module with non-volatile memory, commonly used in electronic projects requiring accurate timekeeping and data storage capabilities. It integrates a battery-backed SRAM and a quartz crystal oscillator, providing precise timekeeping even when the main power is off.

Application Scenario:

In a data logging project, DS1643P-85+ can be utilized to timestamp and store sensor data periodically. This could be for environmental monitoring systems or IoT applications where precise timing of events is crucial.

Experiment Steps:

To understand the functionality of DS1643P-85+ and its application in a simple project, follow these steps:

1. Hardware Setup:

Connect DS1643P-85+ to a microcontroller development board, such as Arduino or Raspberry Pi, using the appropriate communication interface (e.g., I2C or SPI). Ensure the necessary pull-up resistors are connected to the communication lines.

2. Time Initialization:

Write a simple code to initialize the RTC module with the current time and date. This can be done by sending the appropriate commands and data over the communication interface to set the clock registers of DS1643P-85+.

3. Data Logging:

Interface sensors, such as temperature or light sensors, to the microcontroller. Write a program to read sensor data periodically and timestamp it using the RTC module. Store the sensor readings along with the timestamps in the non-volatile memory of DS1643P-85+.

4. Data Retrieval:

Implement a data retrieval mechanism to read the stored sensor data from DS1643P-85+ when required. This could involve sending commands to access specific memory locations and retrieving the data via the communication interface.

5. Power Management:

Test the project under different power scenarios, including power loss and recovery. Verify that DS1643P-85+ maintains accurate timekeeping and data integrity even during power interruptions, thanks to its battery-backed SRAM.

Considerations:

When working with DS1643P-85+ in your project, keep in mind:

- Backup Battery: Ensure the backup battery of DS1643P-85+ is functional and properly connected to maintain timekeeping and data retention in case of main power failure.

- Communication Protocol: Understand the communication protocol (I2C or SPI) supported by DS1643P-85+ and configure your microcontroller accordingly for seamless interaction.

- Memory Management: Manage the non-volatile memory of DS1643P-85+ efficiently to avoid data corruption and optimize storage space for long-term data logging applications.

- Accuracy Calibration: Periodically calibrate the RTC module to ensure accurate timekeeping, especially if the project requires precise synchronization with external systems or network time servers.

- Data Security: Implement data encryption or authentication mechanisms if the stored data is sensitive to prevent unauthorized access or tampering.

DS1643P-85+ FAQ

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6. What is the process for return or replacement of DS1643P-85+?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the DS1643P-85+ we delivered, we will accept the replacement or return of the DS1643P-85+ only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of DS1643P-85+.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations