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Name: DS1643-70
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1643-70
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 DS1643-70

Part No.:: DS1643-70

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1643-70.pdf

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

In Stock:: 3404

Quantity:: Add To Cart

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DS1643-70 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

DS1643-70 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1643-70 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 DS1643-70 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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DS1643-70 information

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Basic introduction and simple engineering application of DS1643-70

DS1643-70 is a non-volatile static RAM (NVSRAM) integrated circuit with a real-time clock (RTC) function, manufactured by Maxim Integrated. It combines the functionality of static RAM with a battery-backed real-time clock, providing data retention even when power is lost.

Overview:

The DS1643-70 is commonly used in applications where data persistence and accurate timekeeping are crucial, such as embedded systems, industrial automation, and consumer electronics.

Features:

- Non-volatile storage: Retains data even when power is removed.

- Battery backup: Integrated battery ensures continuous operation of the real-time clock.

- Parallel interface: Simple interfacing with microcontrollers and other digital circuits.

- Wide operating voltage range: Supports operation from 4.5V to 5.5V.

- Low power consumption: Ideal for battery-powered applications.

Application in Simple Projects:

DS1643-70 can be utilized in various projects to store configuration data, log timestamps, and maintain system state across power cycles. Let's explore a simple project using DS1643-70 to build a digital clock with data logging capabilities.

Project Setup:

1. Circuit Connection:

Connect DS1643-70 to a microcontroller or development board via its parallel interface. Ensure proper power supply connections and battery backup for the RTC function.

2. Programming:

Write firmware code to initialize DS1643-70, read/write data to its memory, and synchronize the real-time clock with the system time.

3. Digital Clock:

Use the RTC function of DS1643-70 to display current time on an LCD or LED display. Update the display periodically to reflect the accurate time.

4. Data Logging:

Store event timestamps or system state information in the non-volatile memory of DS1643-70. This data can be retrieved and analyzed later for debugging or monitoring purposes.

5. User Interface:

Add buttons or other input devices to set the time or navigate through logged data. Utilize GPIO pins of the microcontroller for interfacing with user inputs.

Experiment:

To better understand the functionality of DS1643-70, follow these steps:

1. Circuit Assembly:

Connect DS1643-70 to a microcontroller development board according to the datasheet specifications.

2. Firmware Development:

Write firmware code to initialize DS1643-70, set the current time, and read/write data to its memory.

3. Testing:

Run the firmware on the microcontroller and observe the behavior of the digital clock and data logging functionality. Verify that data is retained even after power cycles.

4. Experimentation:

Explore additional features of DS1643-70, such as alarm functions or battery status monitoring, by modifying the firmware code and observing the effects.

Conclusion:

In this article, we introduced the DS1643-70 NVSRAM with RTC and demonstrated its application in a simple project. By following the provided experiment steps, readers can gain hands-on experience and understand the versatility of DS1643-70 in embedded systems design.

DS1643-70 FAQ

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6. What is the process for return or replacement of DS1643-70?

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 DS1643-70 we delivered, we will accept the replacement or return of the DS1643-70 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 DS1643-70.

(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