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Name: DS1248W-120IND
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1248W-120IND
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 DS1248W-120IND

Part No.:: DS1248W-120IND

Manufacturer:: Analog Devices Inc./Maxim Integrated

Package:: 32-DIP Module (0.600, 15.24mm)

Datasheet:: DS1248W-120IND.pdf

Description:: IC RTC PHANTOM PAR 32-DIP

In Stock:: 2887

Quantity:: Add To Cart

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DS1248W-120IND Specifications

Package/Case:
32-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Phantom Time Chip
Features:
NVSRAM
MemorySize:
128KB
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.97V ~ 3.63V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
7mA @ 3.3V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Through Hole

DS1248W-120IND this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1248W-120IND 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 DS1248W-120IND 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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DS1248W-120IND information

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Basic introduction and simple engineering application of DS1248W-120IND

DS1248W-120IND is a non-volatile static RAM (NVSRAM) with a capacity of 1 Megabit. It combines the high performance of static RAM with the non-volatility of EEPROM, making it suitable for applications requiring data retention even when power is removed.

Basic Introduction:

The DS1248W-120IND features a 128K x 8 non-volatile SRAM organized as 32,768 words by 8 bits. It offers unlimited write cycles and has a minimum data retention period of 10 years. The device operates with a single 5V power supply and has a typical access time of 35ns.

Application in Simple Projects:

In a simple project, such as a digital alarm clock, the DS1248W-120IND can be used to store the current time and alarm settings even when the power is turned off. Here's how to integrate it into the project:

1. Connection:

Connect the DS1248W-120IND to the microcontroller's data and address lines. Ensure proper decoupling capacitors are connected to the power supply pins for stable operation.

2. Initialization:

At the start of the microcontroller program, initialize the DS1248W-120IND by writing the current time and alarm settings to its memory. This ensures that the device holds the correct data even after power loss.

3. Reading and Writing:

Implement functions in the microcontroller firmware to read from and write to the DS1248W-120IND. Use the appropriate memory read and write commands supported by the device.

4. Timekeeping:

Integrate a real-time clock (RTC) module with the microcontroller to keep track of the current time. Periodically update the time stored in the DS1248W-120IND to ensure accuracy.

5. Alarm Functionality:

Implement alarm functionality in the microcontroller firmware using the time stored in the DS1248W-120IND. Compare the current time with the alarm settings stored in the device and trigger the alarm when the conditions are met.

Considerations:

When designing the project, consider the following:

- Power Supply: Ensure a stable power supply to the DS1248W-120IND to prevent data corruption.

- Error Handling: Implement error-checking routines to handle any communication errors with the device.

- Data Integrity: Use checksums or other methods to verify the integrity of the data stored in the DS1248W-120IND.

- Backup Power: Consider adding a backup power source, such as a coin cell battery, to maintain data integrity during power outages.

- Testing: Thoroughly test the project to ensure proper functionality, including data retention during power cycles and alarm triggering accuracy.

DS1248W-120IND FAQ

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6. What is the process for return or replacement of DS1248W-120IND?

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 DS1248W-120IND we delivered, we will accept the replacement or return of the DS1248W-120IND 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 DS1248W-120IND.

(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