Microchip Technology

MCP79400-I/ST  

Real Time Clocks ICs

MCP79400-I/ST Description

The MCP79400-I/ST is a real-time clock (RTC) integrated circuit (IC) designed and manufactured by Microchip Technology. This clock/calendar IC is specifically designed to provide accurate timekeeping and date tracking capabilities in a wide range of electronic systems. With a surface-mount packaging and a voltage supply range of 1.8V to 5.5V, this device is well-suited for space-constrained applications.

MCP79400-I/ST Features

• Type: Clock/Calendar
• Memory Size: 64B
• Voltage - Supply: 1.8V ~ 5.5V
• Voltage - Supply, Battery: 1.3V ~ 5.5V
• Current - Timekeeping (Max): 1.2µA (Typ) @ 3.3V
• Time Format: HH:MM:SS (12/24 hr)
• Alarm: Yes
• Leap Year: Yes
• Square Wave Output: Yes
• SRAM: Yes
• Unique ID: Yes
• Mounting Type: Surface Mount
• Package: Tube
• RoHS Status: ROHS3 Compliant
• REACH Status: REACH Unaffected
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The MCP79400-I/ST stands out for its low power consumption, making it an ideal choice for battery-powered devices. Its unique ID feature provides a way to track and identify individual units, which is particularly useful in systems that require traceability. The inclusion of an alarm, leap year recognition, and square wave output adds versatility to its applications.

MCP79400-I/ST Applications

The MCP79400-I/ST is well-suited for a variety of applications where accurate timekeeping is essential. Some specific use cases include:

1. Portable Electronics: Due to its low power consumption, it is ideal for devices like smartphones, tablets, and wearables.
2. Automotive Systems: It can be used in infotainment systems, GPS navigation, and other automotive electronics that require precise timekeeping.
3. Industrial Control Systems: In systems that require scheduling, logging, and synchronization, the MCP79400-I/ST provides reliable time tracking.
4. Smart Home Devices: For devices like thermostats, lighting controls, and security systems that need to operate on a schedule.

Conclusion of MCP79400-I/ST

The MCP79400-I/ST from Microchip Technology is a versatile and reliable real-time clock IC that offers a range of features tailored to modern electronic systems. Its low power consumption, unique ID, and various timekeeping features make it an excellent choice for applications where accuracy and efficiency are paramount. Whether used in consumer electronics, automotive systems, or industrial controls, the MCP79400-I/ST provides a robust solution for timekeeping needs.

MCP79400-I/ST Documents

Download datasheets and manufacturer documentation for MCP79400-I/ST

DTS :

View in Development Tools Selector      

Errata :

MCP7940X Family Silicon Errata Document Revision (PDF)      

PCN :

Product Change Notification (PDF)