MCP79400-I/SN

The MCP79400-I/SN is a highly integrated Real-Time Clock (RTC) with a built-in EEPROM designed for low-power applications. It features I2C communication, allowing easy interfacing with microcontrollers. Key specifications include a timekeeping range from the year 2000 to 2099, an integrated power-fail timer, and a programmable square wave output.
The device operates on a wide voltage range (1.8V to 5.5V) and has a typical current consumption of just 1.0 µA in battery backup mode, making it suitable for battery-operated devices. The MCP79400 also includes a dual power source feature, enabling seamless switching between VCC and a backup battery.
Additionally, it incorporates a 64-byte EEPROM, which can be used for non-volatile data storage. This makes the MCP79400-I/SN ideal for applications such as real-time tracking, data logging, and low-power systems where timekeeping and data retention are crucial.

The MCP79400-I/SN is a low-power real-time clock (RTC) with several key features:
1. Real-Time Clock: Maintains accurate timekeeping with a built-in oscillator.
2. I2C Interface: Supports I2C communication for easy integration with microcontrollers.
3. Battery Backup: Includes a battery backup feature to retain time during power outages.
4. Alarm Functionality: Supports multiple programmable alarms to trigger events.
5. User-Programmable SRAM: Offers 64 bytes of SRAM for non-volatile data storage.
6. Temperature Compensated: Ensures accurate timekeeping across a wide temperature range.
7. Integrated Oscillator: No external crystal is required; it includes a temperature-compensated oscillator.
8. Low Power Consumption: Designed for battery-operated devices with low quiescent current.
9. Timestamp Feature: Provides timestamping for data logging applications.
10. Wide Operating Voltage: Operates across a voltage range of 1.8V to 5.5V.
These features make the MCP79400-I/SN suitable for various time-sensitive applications in embedded systems.

The MCP79400-I/SN is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package). This compact package type is suitable for space-constrained applications, providing a small footprint while maintaining functionality for real-time clock operations.

The MCP79400-I/SN is a Real-Time Clock (RTC) device with a total of 8 pins. Here’s a brief overview of its pin functions:
1. VDD (Pin 1): Power supply input.
2. VSS (Pin 2): Ground connection.
3. SCL (Pin 3): Serial clock input for I2C communication.
4. SDA (Pin 4): Serial data input/output for I2C communication.
5. SQW/INT (Pin 5): Square wave output and interrupt output.
6. WV (Pin 6): Write protect input for EEPROM.
7. 32K (Pin 7): Output pin for a 32 kHz clock signal.
8. VBACKUP (Pin 8): Backup power input for RTC operation during main power loss.
This RTC features a battery backup, I2C communication interface, and programmable square wave output, making it suitable for various timing applications.

The MCP79400-I/SN is manufactured by Microchip Technology Inc., a leading American company specializing in semiconductor products. Founded in 1989, Microchip focuses on providing microcontrollers, memory, and analog semiconductors, catering to a wide range of applications in the consumer, automotive, industrial, and communications sectors. The MCP79400 is a real-time clock (RTC) with an integrated EEPROM, designed to help manage timekeeping and provide additional memory storage in various electronic devices. Microchip is known for its commitment to innovation, quality, and customer support, serving engineers and developers worldwide.

The MCP79400-I/SN is a real-time clock (RTC) with integrated EEPROM, typically used in applications such as consumer electronics, industrial equipment, and communication devices. It is ideal for maintaining accurate timekeeping in battery-backed systems, time-stamping data, and managing low-power time-sensitive tasks in smart meters, IoT devices, and home automation systems. Its features support energy-efficient designs, making it suitable for wearable devices and portable electronics.

The MCP79400-I/SN is a real-time clock (RTC) with EEPROM. Equivalent products include:
1. DS3231 - Highly accurate RTC with temperature compensation.
2. PCF8523 - Low-power RTC with I2C interface.
3. MCP79410 - RTC with integrated SRAM and EEPROM.
4. AB1805 - Low-power RTC with a built-in temperature sensor.
Choose based on specific features like accuracy, power consumption, and memory requirements.