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Name: M48T251Y-70PM1
Brand: STMicroelectronics
SKU: M48T251Y-70PM1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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STMicroelectronics M48T251Y-70PM1

Part No.:: M48T251Y-70PM1

Manufacturer:: STMicroelectronics

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

Datasheet:: M48T251Y-70PM1.pdf

Description:: IC RTC PHANTOM PAR 32-DIP

In Stock:: 2381

Quantity:: Add To Cart

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M48T251Y-70PM1 Specifications

Package/Case:
32-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
Timekeeper®
ProductStatus:
Obsolete
Type:
Phantom Time Chip
Features:
Leap Year
MemorySize:
-
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
4.5V ~ 5.5V
Voltage-SupplyBattery:
-
Current-Timekeeping(Max):
5mA @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

M48T251Y-70PM1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M48T251Y-70PM1 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 M48T251Y-70PM1 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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M48T251Y-70PM1 information

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Basic introduction and simple engineering application of M48T251Y-70PM1

M48T251Y-70PM1 is a non-volatile static RAM with a clock and a 4-digit year counter. It is designed to operate in the range of -40°C to +85°C, making it suitable for a wide range of applications.

Introduction:

M48T251Y-70PM1 is a versatile integrated circuit commonly used in electronic projects requiring timekeeping and non-volatile memory functionality. Its unique features make it an ideal choice for various applications, from simple clock circuits to data logging systems.

Application Scenario:

In a basic project scenario, M48T251Y-70PM1 can be utilized as a real-time clock (RTC) in conjunction with a microcontroller to create a digital clock with alarm functionality.

Circuit Design:

To implement a digital clock using M48T251Y-70PM1, follow these steps:

1. Connection Setup:

Connect M48T251Y-70PM1 to the microcontroller using the appropriate communication interface, such as I2C or SPI. Ensure proper wiring and address configuration for communication between the microcontroller and the RTC.

2. Timekeeping:

Initialize the RTC and set the current time using the microcontroller. Utilize the clock and calendar functionality of M48T251Y-70PM1 to maintain accurate timekeeping even during power loss or system reset.

3. Alarm Configuration:

Configure alarm settings within M48T251Y-70PM1 to trigger specific actions or events at predefined times. This can be achieved by setting alarm registers and handling interrupt requests generated by the RTC.

4. User Interface:

Integrate a user interface, such as an LCD display or LEDs, to visualize the current time and alarm status. Utilize the microcontroller's GPIO pins to interface with these display components and provide user interaction options.

5. Power Management:

Ensure stable power supply to both M48T251Y-70PM1 and the microcontroller to maintain uninterrupted operation. Implement power-saving features and low-power modes to extend battery life in portable applications.

Experiment Steps:

To experiment with M48T251Y-70PM1 and understand its functionality, follow these steps:

1. Hardware Setup: Connect M48T251Y-70PM1 to a microcontroller development board or breadboard according to the datasheet specifications.

2. Initialization: Write a simple code to initialize M48T251Y-70PM1 and set the current time to a predefined value.

3. Timekeeping Test: Verify the accuracy of the RTC by monitoring the time output on a serial monitor or display connected to the microcontroller.

4. Alarm Test: Set an alarm using M48T251Y-70PM1 and observe the triggering of the alarm signal on the microcontroller.

5. Power Loss Test: Simulate a power loss scenario by disconnecting the power supply and verify that M48T251Y-70PM1 retains the correct time after power is restored.

Considerations:

When working with M48T251Y-70PM1, keep the following considerations in mind:

- Addressing: Ensure correct addressing and communication protocol configuration for seamless integration with the microcontroller.

- Backup Power: Provide a backup power source, such as a coin cell battery, to maintain RTC functionality during main power interruptions.

- Interrupt Handling: Implement interrupt service routines to handle RTC alarms and other time-related events efficiently.

- Calibration: Periodically calibrate the RTC to compensate for any drift in the timekeeping accuracy over extended periods.

- Data Retention: Verify the data retention specifications of M48T251Y-70PM1 to ensure stored information remains intact during prolonged power-off periods.

M48T251Y-70PM1 FAQ

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3. Are the M48T251Y-70PM1 price and inventory displayed accurate?

The price and inventory of M48T251Y-70PM1 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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6. What is the process for return or replacement of M48T251Y-70PM1?

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 M48T251Y-70PM1 we delivered, we will accept the replacement or return of the M48T251Y-70PM1 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 M48T251Y-70PM1.

(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