Microchip Technology

MCP7940M-I/MS  

Real Time Clocks ICs

MCP7940M-I/MS Description

The MCP7940M-I/MS is a real-time clock/calendar integrated circuit (IC) designed and manufactured by Microchip Technology. This device is a member of the Real Time Clocks ICs category and is housed in an 8-pin MSOP package. With a supply voltage range of 1.8V to 5.5V, it is suitable for a wide range of applications. The MCP7940M-I/MS is an active product, compliant with the REACH and RoHS3 regulations, and classified under the HTSUS code 8542.39.0001.

MCP7940M-I/MS Features

• Type: Clock/Calendar
• Memory Size: 64B SRAM
• Voltage - Supply: 1.8V ~ 5.5V
• Current - Timekeeping (Max): 1µA @ 5.5V
• Time Format: HH:MM:SS (12/24 hr)
• Features: Alarm, Leap Year, Square Wave Output, SRAM
• Mounting Type: Surface Mount
• Package: Tube
• ECCN: EAR99
• Base Product Number: MCP7940
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The MCP7940M-I/MS stands out due to its low power consumption, which is essential for battery-operated devices. The integrated SRAM allows for additional data storage, enhancing its versatility. The square wave output is useful for applications requiring a precise time reference.

MCP7940M-I/MS Applications

This real-time clock/calendar IC is ideal for various applications where accurate timekeeping is crucial:

1. Portable Devices: Due to its low power consumption, it is perfect for battery-powered devices like smartwatches, fitness trackers, and portable medical devices.
2. Automotive Systems: It can be used in automotive systems for time-stamping events and providing accurate time displays.
3. Industrial Automation: In industrial settings, it can be employed for scheduling and timing control in automated processes.
4. Home Automation: For smart home systems, it can manage timers and schedules for lighting, heating, and security systems.

Conclusion of MCP7940M-I/MS

The MCP7940M-I/MS is a versatile and reliable real-time clock/calendar IC that offers low power consumption and a range of features suitable for various applications. Its compliance with international regulations and its robust performance make it a preferred choice in the electronics industry for applications requiring precise timekeeping and data storage. With its unique combination of features and performance, the MCP7940M-I/MS is a standout product in the real-time clock IC market.

MCP7940M-I/MS Documents

Download datasheets and manufacturer documentation for MCP7940M-I/MS

Errata :

MCP7940M Errata      

PCN Assembly/Origin :

Mult Devices 28/Nov/2017      

Datasheets :

MCP7940M      

PCN Packaging :

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

HTML Datasheet :

MCP7940M      

PCN Design/Specification :

Datasheet Update 09/Mar/2015       MCP7940M Datasheet Update 24/Jun/2014      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH