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Name: MCP795W10T-I/ST
Brand: Microchip Technology
SKU: MCP795W10T-I/ST
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology MCP795W10T-I/ST

Part No.:: MCP795W10T-I/ST

Manufacturer:: Microchip Technology

Package:: 14-TSSOP (0.173, 4.40mm Width)

Datasheet:: MCP795W10T-I/ST.pdf

Description:: IC RTC CLK/CALENDAR SPI 14-TSSOP

In Stock:: 3075

Quantity:: Add To Cart

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MCP795W10T-I/ST Specifications

Package/Case:
14-TSSOP (0.173, 4.40mm Width)
Packaging:
Tape & Reel (TR)
Series:
-
ProductStatus:
Active
Type:
Clock/Calendar
Features:
Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer
MemorySize:
64B
TimeFormat:
HH:MM:SS:hh (12/24 hr)
DateFormat:
YY-MM-DD-dd
Interface:
SPI
Voltage-Supply:
1.8V ~ 3.6V
Voltage-SupplyBattery:
1.3V ~ 3.6V
Current-Timekeeping(Max):
1µA @ 1.8V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

MCP795W10T-I/ST this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including MCP795W10T-I/ST 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 MCP795W10T-I/ST 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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MCP795W10T-I/ST information

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Basic introduction and simple engineering application of MCP795W10T-I/ST

MCP795W10T-I/ST is a real-time clock (RTC) module produced by Microchip Technology, offering accurate timekeeping functionality for a variety of applications. It integrates a crystal oscillator and supports battery backup, ensuring reliable timekeeping even in the absence of power.

Application Scenario:

In electronic projects requiring precise timekeeping, MCP795W10T-I/ST can be utilized to timestamp events, schedule tasks, or synchronize operations. For instance, in a data logging system, it can record the time when measurements are taken for accurate data analysis.

Circuit Design:

To incorporate MCP795W10T-I/ST into a project, follow these steps:

1. Module Connection:

Connect MCP795W10T-I/ST to the microcontroller's I2C or SPI interface for communication. Ensure proper wiring of SDA (data) and SCL (clock) lines, and configure the microcontroller accordingly.

2. Power Supply:

Provide power to MCP795W10T-I/ST through the microcontroller or an external power source. Ensure proper voltage levels and polarity to avoid damage.

3. Crystal Connection:

Connect an external crystal oscillator to MCP795W10T-I/ST to ensure accurate timekeeping. Follow the datasheet guidelines for selecting the appropriate crystal and configuring the oscillator circuit.

4. Battery Backup:

Include a backup battery, such as a coin cell battery, to maintain timekeeping functionality during power loss. Connect the battery to the designated backup power input of MCP795W10T-I/ST and ensure proper polarity.

5. Firmware Integration:

Write firmware code to communicate with MCP795W10T-I/ST and utilize its timekeeping features. Implement functions to set the time, read the current time, and handle alarms or periodic interrupts.

Experiment:

To understand the functionality of MCP795W10T-I/ST practically, perform the following experiment:

1. Setup:

Connect MCP795W10T-I/ST to a development board or microcontroller platform using the I2C or SPI interface. Ensure proper power supply and crystal oscillator connections.

2. Time Setting:

Write firmware code to set the current time in MCP795W10T-I/ST. Use the microcontroller's communication protocol to send time data and configure the RTC registers accordingly.

3. Time Readout:

Implement code to read the current time from MCP795W10T-I/ST periodically. Display the time on a connected LCD or serial monitor for verification.

4. Alarm Functionality:

Test the alarm feature of MCP795W10T-I/ST by setting an alarm time and triggering an external event or interrupt upon alarm expiration. Verify the accuracy and reliability of the alarm function.

5. Power Loss Simulation:

Simulate power loss by disconnecting the main power source. Verify that MCP795W10T-I/ST continues to keep accurate time using the backup battery. Reconnect the power source to restore normal operation.

Considerations:

When working with MCP795W10T-I/ST, consider the following factors:

- Crystal Accuracy: Select a high-quality crystal oscillator to ensure accurate timekeeping over extended periods.

- Battery Life: Choose a reliable backup battery and implement power-saving measures to prolong battery life during standby periods.

- Firmware Optimization: Optimize firmware code to minimize communication overhead and maximize efficiency, especially in battery-powered applications.

- Environmental Conditions: Shield MCP795W10T-I/ST and the crystal oscillator from environmental factors like moisture and temperature extremes to maintain optimal performance.

- Compliance: Ensure compliance with relevant standards and regulations, especially concerning battery disposal and electromagnetic compatibility.

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6. What is the process for return or replacement of MCP795W10T-I/ST?

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(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 MCP795W10T-I/ST.

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