What is the Additional Feature ?

Name: DS1744-70
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1744-70
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 DS1744-70

Part No.:: DS1744-70

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1744-70.pdf

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

In Stock:: 2259

Quantity:: Add To Cart

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DS1744-70 Specifications

Package/Case:
28-DIP Module (0.600, 15.24mm)
Packaging:
Tube,Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year, NVSRAM, Y2K
MemorySize:
32KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
4mA @ 5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

DS1744-70 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1744-70 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 DS1744-70 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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DS1744-70 information

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Basic introduction and simple engineering application of DS1744-70

DS1744-70 is a non-volatile static RAM (NVSRAM) chip manufactured by Maxim Integrated. It combines the functionality of static RAM and non-volatile EEPROM, offering data retention even when the power is turned off. With a capacity of 32 kilobits (4 kilobytes) and a wide operating voltage range, it finds applications in various projects requiring data storage with backup capabilities.

Application Scenario:

In electronic systems where data integrity is crucial, DS1744-70 can be employed to store critical information such as configuration settings, user preferences, or system state variables. One common application is in embedded systems where persistent storage of calibration data or event logs is necessary.

Experiment Setup:

To understand the functionality of DS1744-70 and its integration into a simple project, follow these steps:

1. Circuit Connection:

Connect DS1744-70 to a microcontroller or a development board using the SPI (Serial Peripheral Interface) protocol. Ensure proper wiring of the SPI pins, including MOSI (Master Out Slave In), MISO (Master In Slave Out), SCK (Serial Clock), and SS (Slave Select).

2. Initialization:

Write initialization code on the microcontroller to configure the SPI communication and initialize DS1744-70. This typically involves sending commands to set up the device parameters such as memory organization, clock frequency, and write protection settings.

3. Data Storage:

Implement functions to read from and write to DS1744-70. Utilize the SPI protocol to send read and write commands along with the memory addresses and data payloads. Handle error conditions such as write protection or memory overflow gracefully.

4. Application Integration:

Integrate DS1744-70 into a practical project, such as a data logging system. Store sensor readings or system status periodically in the NVSRAM to ensure data persistence in case of power loss. Design algorithms to retrieve and utilize the stored data during system operation.

5. Power Management:

Implement power management features to ensure data integrity and longevity of DS1744-70. Utilize techniques such as low-power modes or backup power supplies to maintain the NVSRAM contents during power interruptions.

Considerations:

When working with DS1744-70, consider the following:

- Data Retention: Verify the data retention specifications of DS1744-70 to ensure suitability for the application's requirements, especially in scenarios with extended power-off periods.

- Write Endurance: Understand the limitations of write endurance and implement wear-leveling techniques if frequent writes are expected to prolong the lifespan of the NVSRAM.

- Clock Accuracy: Ensure accurate timekeeping by providing a stable clock source to DS1744-70 if using its real-time clock (RTC) functionality for timestamping data.

- Error Handling: Implement robust error handling mechanisms to deal with communication errors, data corruption, or unexpected power loss events to maintain data integrity.

- Compatibility: Check compatibility with the microcontroller or development platform in terms of voltage levels, communication protocols, and software libraries to streamline integration and development efforts.

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6. What is the process for return or replacement of DS1744-70?

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 DS1744-70 we delivered, we will accept the replacement or return of the DS1744-70 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 DS1744-70.

(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