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Name: M48T201V-85MH1E
Brand: STMicroelectronics
SKU: M48T201V-85MH1E
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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STMicroelectronics M48T201V-85MH1E

Part No.:: M48T201V-85MH1E

Manufacturer:: STMicroelectronics

Package:: 44-BSOP (0.337, 8.56mm Width) requires SNAPHAT

Datasheet:: M48T201V-85MH1E.pdf

Description:: IC RTC CLK/CALENDAR PAR 44-SOH

In Stock:: 2025

Quantity:: Add To Cart

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M48T201V-85MH1E Specifications

Package/Case:
44-BSOP (0.337, 8.56mm Width) requires SNAPHAT
Packaging:
Tube
Series:
Timekeeper®
ProductStatus:
Obsolete
Type:
Clock/Calendar
Features:
Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K
MemorySize:
-
TimeFormat:
HH:MM:SS (24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
Parallel
Voltage-Supply:
3V ~ 3.6V
Voltage-SupplyBattery:
3V
Current-Timekeeping(Max):
2mA @ 3V ~ 3.6V
OperatingTemperature:
0°C ~ 70°C
MountingType:
Surface Mount

M48T201V-85MH1E this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M48T201V-85MH1E 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 M48T201V-85MH1E 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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M48T201V-85MH1E information

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Basic introduction and simple engineering application of M48T201V-85MH1E

M48T201V-85MH1E is a non-volatile static RAM with a clock/calendar function, manufactured by STMicroelectronics. It integrates 2,048 bits of SRAM, organized as 256 words by 8 bits, along with a built-in lithium energy source and a crystal-controlled clock oscillator. This device is commonly used in applications requiring timekeeping and data storage, such as embedded systems, industrial automation, and consumer electronics.

Application Scenario:

In a digital alarm clock project, M48T201V-85MH1E can be utilized to store and maintain the current time and alarm settings, even in the absence of power. Additionally, it can provide a reliable timekeeping function, ensuring accurate time display and alarm triggering.

Project Implementation:

To create a digital alarm clock using M48T201V-85MH1E, follow these steps:

1. Circuit Connection:

Connect M48T201V-85MH1E to the microcontroller or system-on-chip (SoC) using the appropriate communication interface, such as I2C or SPI. Ensure proper wiring and configuration of the communication protocol.

2. Time Setting:

Implement firmware routines to set the current time and alarm settings. Utilize the clock/calendar functions provided by M48T201V-85MH1E to read and write time information, including hours, minutes, and seconds.

3. Display Integration:

Integrate a display module, such as an LCD or LED display, to visually present the current time and alarm status. Utilize the microcontroller's GPIO pins to control the display and update the time information.

4. Alarm Functionality:

Implement alarm triggering logic based on the stored alarm settings. Continuously monitor the current time and compare it with the programmed alarm time. Activate an alarm signal, such as a buzzer or LED indicator, when the alarm conditions are met.

5. Power Backup:

Ensure uninterrupted operation by providing a backup power source for M48T201V-85MH1E. This can be achieved using a coin cell battery or a supercapacitor to maintain the clock and memory contents during power outages.

Considerations:

When designing the digital alarm clock, consider the following aspects:

- Power Consumption: Optimize the system's power consumption to prolong the battery life and ensure extended operation without frequent replacements.

- User Interface: Design an intuitive user interface to facilitate easy time setting and alarm configuration. Incorporate buttons or a touchscreen interface for user interaction.

- Alarm Accuracy: Ensure precise alarm triggering and reliable timekeeping to meet user expectations and provide a dependable wake-up experience.

- Form Factor: Consider the size and aesthetics of the alarm clock enclosure to create a visually appealing and space-efficient design.

- Customization Options: Provide flexibility for users to customize alarm settings, such as alarm tone selection, snooze duration, and repeat intervals, to suit individual preferences.

M48T201V-85MH1E FAQ

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3. Are the M48T201V-85MH1E price and inventory displayed accurate?

The price and inventory of M48T201V-85MH1E 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 M48T201V-85MH1E?

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 M48T201V-85MH1E we delivered, we will accept the replacement or return of the M48T201V-85MH1E 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 M48T201V-85MH1E.

(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