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Name: DS1554W-120
Brand: Analog Devices Inc./Maxim Integrated
SKU: DS1554W-120
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 DS1554W-120

Part No.:: DS1554W-120

Manufacturer:: Analog Devices Inc./Maxim Integrated

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

Datasheet:: DS1554W-120.pdf

Description:: IC RTC CLK/CALENDAR PAR 32-EDIP

In Stock:: 2468

Quantity:: Add To Cart

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DS1554W-120 Specifications

Package/Case:
32-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K
MemorySize:
32KB
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
2.97V ~ 3.63V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
4mA @ 3.3V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

DS1554W-120 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including DS1554W-120 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 DS1554W-120 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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DS1554W-120 information

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Basic introduction and simple engineering application of DS1554W-120

DS1554W-120 is a real-time clock (RTC) integrated circuit designed by Maxim Integrated, offering accurate timekeeping functionality along with non-volatile memory storage. It is widely used in applications requiring precise timekeeping, such as data logging systems, industrial automation, and consumer electronics.

Application Scenario:

In a data logging system, DS1554W-120 can be utilized to timestamp the recorded data, ensuring accurate time information for analysis and synchronization purposes.

Circuit Design:

To create a simple data logging system using DS1554W-120, follow these steps:

1. Power Supply:

Provide a stable power source, typically ranging from 2.7V to 5.5V, to the VCC pin of DS1554W-120. Ensure proper decoupling capacitors are used to minimize noise and ensure reliable operation.

2. Interfacing:

Connect the serial interface pins, such as SDA (serial data) and SCL (serial clock), of DS1554W-120 to the corresponding pins of the microcontroller or host system. These pins facilitate communication for configuring the RTC and reading/writing time and data.

3. Crystal Oscillator:

Connect an external crystal oscillator, typically 32.768 kHz, to the X1 and X2 pins of DS1554W-120. This oscillator provides the clock source for accurate timekeeping.

4. Backup Battery:

Connect a backup battery, such as a coin cell battery, to the VBAT pin of DS1554W-120. This battery ensures that the RTC continues to operate and retains timekeeping data even when the main power supply is disconnected.

5. Initialization:

Initialize the DS1554W-120 RTC by configuring the time and date registers according to the current date and time. Set the control registers to enable the oscillator and specify the desired timekeeping mode (e.g., 24-hour or 12-hour format).

6. Data Logging:

Utilize the non-volatile memory of DS1554W-120 to store timestamped data periodically or in response to external events. Write data to the designated memory addresses, ensuring proper addressing and data integrity.

Considerations:

When designing the circuit, consider the following aspects:

- Battery Life: Choose a suitable backup battery with sufficient capacity to maintain RTC operation for the desired duration in the absence of main power.

- Serial Communication: Ensure proper configuration and timing of the serial interface for reliable communication between DS1554W-120 and the microcontroller or host system.

- Data Integrity: Implement error-checking mechanisms, such as CRC (cyclic redundancy check), to verify the integrity of stored data and prevent corruption.

- Calibration: Periodically calibrate the RTC to compensate for any drift in the crystal oscillator frequency, ensuring accurate timekeeping over extended periods.

- Power Management: Implement power-saving techniques, such as disabling unused peripherals and reducing clock frequency when possible, to prolong battery life and minimize power consumption.

DS1554W-120 FAQ

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6. What is the process for return or replacement of DS1554W-120?

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 DS1554W-120 we delivered, we will accept the replacement or return of the DS1554W-120 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 DS1554W-120.

(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