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Name: M48T128Y-70PM1
Brand: STMicroelectronics
SKU: M48T128Y-70PM1
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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STMicroelectronics M48T128Y-70PM1

Part No.:: M48T128Y-70PM1

Manufacturer:: STMicroelectronics

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

Datasheet:: M48T128Y-70PM1.pdf

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

In Stock:: 3000

Quantity:: Add To Cart

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M48T128Y-70PM1 Specifications

Package/Case:
32-DIP Module (0.600, 15.24mm)
Packaging:
Tube
Series:
Timekeeper®
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Leap Year
MemorySize:
-
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 @ 4.5V ~ 5.5V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Through Hole

M48T128Y-70PM1 this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M48T128Y-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 M48T128Y-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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M48T128Y-70PM1 information

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Basic introduction and simple engineering application of M48T128Y-70PM1

M48T128Y-70PM1 is a non-volatile static RAM (NVSRAM) with a built-in battery for backup power, commonly utilized in embedded systems for data retention applications. It features a 128Kbit (16K x 8) organization, an integrated battery, and a power-fail chip enable circuitry.

Application Scenario:

In a simple data logging project, M48T128Y-70PM1 can be employed to store critical data in case of power loss or system shutdowns, ensuring data integrity and reliability.

Circuit Design:

To implement data logging using M48T128Y-70PM1, follow these steps:

1. Integration of M48T128Y-70PM1:

Place M48T128Y-70PM1 on the circuit board and ensure proper connections to the microcontroller or other interfacing devices. Connect the VCC and GND pins to the power supply, and connect the chip enable (CE), address (A0-A13), and data (DQ0-DQ7) pins to the microcontroller.

2. Backup Battery Connection:

Connect a suitable backup battery, such as a coin cell or rechargeable battery, to the VBAT pin of M48T128Y-70PM1. Ensure proper polarity and consider incorporating a charging circuit if using a rechargeable battery.

3. Data Logging:

Write firmware code to interface with M48T128Y-70PM1 for data logging purposes. Use the microcontroller's GPIO pins or dedicated SPI/I2C interfaces to communicate with the NVSRAM. Implement functions to write data to specific memory locations and read back stored data as needed.

4. Power Management:

Implement power management features to ensure efficient use of the backup battery and minimize power consumption during normal operation. Utilize low-power modes of the microcontroller and consider incorporating power gating techniques to disable unused peripherals.

5. Data Retrieval:

Develop firmware routines to retrieve logged data from M48T128Y-70PM1 during system initialization or upon user request. Implement error-checking mechanisms to ensure data integrity and handle potential read/write errors gracefully.

Considerations:

When designing the data logging system, it's essential to consider:

- Battery Life: Choose a backup battery with sufficient capacity to maintain data integrity for the desired duration in the event of a power failure.

- Memory Organization: Plan the memory allocation and data storage format to optimize space utilization and facilitate efficient data retrieval.

- Error Handling: Implement mechanisms to detect and recover from data corruption or loss, such as CRC checks or redundant storage schemes.

- Environmental Factors: Consider the operating environment's temperature and humidity conditions, ensuring they are within the specified range for reliable operation of M48T128Y-70PM1.

- Testing and Validation: Thoroughly test the data logging system under various operating conditions to verify its performance, reliability, and adherence to specifications.

M48T128Y-70PM1 FAQ

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3. Are the M48T128Y-70PM1 price and inventory displayed accurate?

The price and inventory of M48T128Y-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 M48T128Y-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 M48T128Y-70PM1 we delivered, we will accept the replacement or return of the M48T128Y-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 M48T128Y-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