Microchip Technology

MCP795B11-I/ST  

Real Time Clocks ICs

MCP795B11-I/ST Description

The MCP795B11-I/ST is a highly integrated Real-Time Clock (RTC) and Calendar IC designed by Microchip Technology. This device is part of the Clock/Timing ICs category and offers a comprehensive set of features for precise timekeeping and data storage. The MCP795B11-I/ST is housed in a 14TSSOP package and is suitable for surface mount applications. It operates over a wide supply voltage range of 1.8V to 5.5V, making it versatile for various power supply conditions. Additionally, it supports a battery supply voltage range of 1.3V to 5.5V, ensuring reliable timekeeping even in low-power environments.

The MCP795B11-I/ST features a 64-byte EEPROM for non-volatile data storage, which is ideal for storing configuration settings and critical data. It also includes 64 bytes of SRAM for volatile data storage, providing flexibility for applications requiring temporary data storage. The device supports both 12-hour and 24-hour time formats with, the ability to display time in HH:MM:SS:hh format, making it suitable for a wide range of applications.

MCP795B11-I/ST Features

The MCP795B11-I/ST offers several unique features that set it apart from similar models in the market:

• Alarm Functionality: The device includes an alarm feature that can be programmed to trigger at specific times, making it ideal for applications requiring scheduled events or reminders.
• Leap Year Calculation: The MCP795B11-I/ST automatically accounts for leap years, ensuring accurate date calculations over extended periods.
• Square Wave Output: This feature allows the device to generate a square wave output, which can be used for clocking other devices or synchronizing operations.
• Unique ID: Each MCP795B11-I/ST comes with a unique identification number, which can be useful for tracking and managing devices in a system.
• Watchdog Timer: The integrated watchdog timer helps prevent system lock-ups by resetting the system if it detects an abnormal condition.
• Low Power Consumption: The device consumes a maximum of 1µA during timekeeping operations, making it highly energy-efficient and suitable for battery-powered applications.
• SPI Interface: The MCP795B11-I/ST communicates with the host system via an SPI interface, ensuring fast and reliable data transfer.

MCP795B11-I/ST Applications

The MCP795B11-I/ST is ideal for a variety of applications where precise timekeeping and reliable data storage are essential. Some specific use cases include:

• Consumer Electronics: Devices such as digital clocks, smart home appliances, and wearables can benefit from the accurate timekeeping and data storage capabilities of the MCP795B11-I/ST.
• Industrial Control: Systems The device's robustness and low power consumption make it suitable for industrial applications where reliable timekeeping is crucial for process control and monitoring.
• Medical Devices: The MCP795B11-I/ST can be used in medical equipment for logging events and maintaining accurate time records, which are critical for patient care and regulatory compliance.
• Embedded Systems: The device's wide voltage range and low power consumption make it an excellent choice for embedded systems where power efficiency and reliability are paramount.

Conclusion of MCP795B11-I/ST

The MCP795B1-I1/ST from Microchip Technology is a versatile and reliable Real-Time Clock and Calendar IC that offers a comprehensive set of features for precise timekeeping and data storage. Its low power consumption, wide voltage range, and robust feature set make it suitable for a wide range of applications, from consumer electronics to industrial control systems. Despite being marked as obsolete, the MCP795B11-I/ST remains a valuable component for applications requiring accurate timekeeping and reliable data storage. Its unique features, such as the alarm function, leap year calculation, and unique ID provide, additional benefits that enhance its functionality and make it a standout choice in the market.

MCP795B11-I/ST Documents

Download datasheets and manufacturer documentation for MCP795B11-I/ST

Datasheets :

MCP795Wxx/Bxx Preliminary      

PCN Packaging :

Label and Packing Changes 23/Sep/2015      

HTML Datasheet :

MCP795Wxx/Bxx Preliminary      

Environmental Information :

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