Microchip Technology

MCP795W11T-I/ST  

Real Time Clocks ICs

MCP795W11T-I/ST Description

The MCP795W11T-I/ST is a high-performance Real Time Clock (RTC) and Calendar IC designed by Microchip Technology. This device is ideal for applications requiring precise timekeeping and calendar functions. It features a 64-byte SRAM memory, which can be used for general-purpose data storage. The MCP795W11T-I/ST operates within a supply voltage range of 1.8V to 3.6V and consumes a maximum of 1µA during timekeeping, ensuring low power consumption and long battery life. The device supports a wide operating temperature range and is available in a 14-TSSOP package, making it suitable for surface mount applications.

MCP795W11T-I/ST Features

The MCP795W11T-I/ST offers a comprehensive set of features that enhance its functionality and versatility:

• Clock/Calendar Functions: The device provides accurate timekeeping with a time format of HH:MM:SS:hh (12/24 hr), ensuring precise time management.
• Alarm Functionality: The built-in alarm feature allows for programmable wake-up times, making it ideal for applications requiring scheduled operations.
• EEPROM and SRAM: The device includes 64 bytes of EEPROM and SRAM, providing non-volatile and volatile memory options for data storage.
• Leap Year Calculation: The MCP795W11T-I/ST automatically adjusts for leap years, ensuring accurate date calculations over extended periods.
• Square Wave Output: The device supports a square wave output, which can be used for various timing applications.
• Watchdog Timer: The integrated watchdog timer helps in system reliability by monitoring and resetting the system if it becomes unresponsive.
• Unique ID: Each device comes with a unique identification number, which can be used for device tracking and authentication.
• SPI Interface: The MCP795W11T-I/ST communicates via the SPI interface, ensuring fast and reliable data transfer.
• Battery Backup: The device supports a battery backup voltage range of 1.3V to 3.6V, ensuring continuous operation even during power outages.
• Compliance: The MCP795W11T-I/ST is REACH unaffected and ROHS3 compliant, making it suitable for environmentally conscious applications.

MCP795W11T-I/ST Applications

The MCP795W11T-I/ST is well-suited for a variety of applications that require precise timekeeping and calendar functions:

• Consumer Electronics: Ideal for devices such as digital clocks, smartwatches, and home automation systems where accurate timekeeping is essential.
• Industrial Applications: Suitable for industrial control systems, where reliable time and date information are crucial for logging and monitoring.
• Medical Devices: The low power consumption and reliable operation make it suitable for portable medical devices that require accurate time tracking.
• Automotive Systems: The device can be used in automotive systems for time-sensitive functions such as event logging and system diagnostics.
• IoT Devices: The MCP795W11T-I/ST is perfect for IoT devices that require accurate timekeeping and minimal power consumption.

Conclusion of MCP795W11T-I/ST

The MCP795W11T-I/ST from Microchip Technology is a versatile and reliable RTC and Calendar IC that offers a wide range of features and benefits. Its low power consumption, extensive memory options, and robust feature set make it an excellent choice for applications requiring precise timekeeping and calendar functions. The device's compliance with environmental standards and its wide operating voltage range further enhance its suitability for various industrial and consumer applications. Whether used in consumer electronics, industrial systems, or IoT devices, the MCP795W11T-I/ST provides reliable performance and exceptional value.

MCP795W11T-I/ST Documents

Download datasheets and manufacturer documentation for MCP795W11T-I/ST

Errata :

MCP795(B,W)xx Errata & Datasheet Clarification      

Datasheets :

MCP795W1X/W2X Datasheet      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Design Resources :

MCP795W11 Development Tool Selector      

HTML Datasheet :

MCP795W1X/W2X Datasheet      

PCN Design/Specification :

Data Sheet Update 22/Jun/2016       MCP795W1x/MCP795W2x Datasheet 22/Nov/2023      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH