What is the Additional Feature ?

Name: DS1643-85+
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1643-85+
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 DS1643-85+

Part No.:: DS1643-85+

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 28-DIP Module (0.600, 15.24mm)

Datasheet:: DS1643-85+.pdf

Description:: IC RTC CLK/CALENDAR PAR 28-EDIP

In Stock:: 3675

Quantity:: Add To Cart

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DS1643-85+ Specifications

Package/Case:
28-DIP Module (0.600, 15.24mm)
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:
-
Current-Timekeeping(Max):
3mA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

DS1643-85+ this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1643-85+ 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 DS1643-85+ 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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DS1643-85+ information

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Basic introduction and simple engineering application of DS1643-85+

DS1643-85+ is a non-volatile static RAM (NVSRAM) with a battery-backed real-time clock (RTC), commonly used in embedded systems and electronic projects requiring data logging and timekeeping functionalities.

Application Scenario:

In a home automation project, DS1643-85+ can be utilized to store configuration settings and log time-stamped events, such as temperature readings or motion sensor triggers.

Circuit Design:

To incorporate DS1643-85+ into a simple data logging project, follow these steps:

1. Power Connection:

Connect the VCC and GND pins of DS1643-85+ to a stable power supply, ensuring proper voltage levels are provided to the device.

2. Interface Connection:

Connect the data and address pins of DS1643-85+ to the microcontroller or microprocessor in the system. Utilize appropriate pull-up resistors for the I2C or SPI communication lines.

3. Real-Time Clock Setup:

Configure the real-time clock settings, such as time and date, using the communication protocol supported by DS1643-85+. Set initial values and synchronization methods as per project requirements.

4. Data Logging:

Implement firmware routines to read and write data to the non-volatile memory of DS1643-85+. Store sensor readings, system statuses, or event logs along with corresponding timestamps.

5. Backup Power:

Ensure a backup power source, such as a lithium coin cell battery, is connected to the BAT pin of DS1643-85+ to maintain RTC and memory contents during power loss.

Considerations:

When integrating DS1643-85+ into the project, consider the following:

- Battery Life: Choose a suitable battery type and capacity to ensure prolonged RTC operation during power outages.

- Data Integrity: Implement error-checking mechanisms to verify data integrity during read and write operations to prevent data corruption.

- Timekeeping Accuracy: Calibrate the real-time clock periodically to maintain accurate timekeeping, considering factors like temperature variations.

- Memory Management: Optimize data storage and retrieval routines to efficiently utilize the limited non-volatile memory space of DS1643-85+.

- Compatibility: Ensure compatibility between DS1643-85+ and the microcontroller or microprocessor in terms of communication protocols and voltage levels.

DS1643-85+ FAQ

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6. What is the process for return or replacement of DS1643-85+?

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 DS1643-85+ we delivered, we will accept the replacement or return of the DS1643-85+ 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 DS1643-85+.

(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