MCP7940N-I/MS
- Mfr.Part #
- MCP7940N-I/MS
- Manufacturer
- Microchip Technology
- Package / Case
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-MSOP
- Stock
- 65,686
- In Stock :
- 65,686
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Number of Terminals :
- 8
- Package Shape :
- Square
- Height :
- 950μm
- Package Type :
- MSOP
- Min Supply Voltage :
- 1.8 V
- Operating Supply Voltage (Max) :
- 5.5(V)
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Qualification Status :
- Not Qualified
- Product Category :
- Real Time Clock
- MSL :
- -
- Reach Compliance Code :
- Compliant
- Manufacturer :
- Microchip
- JESD-609 Code :
- e3
- Packaging :
- Tube
- Time-Min :
- SECONDS
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Information Access Method :
- I2C
- Product Type :
- Real Time Clocks
- Width :
- 3mm
- Functions :
- Battery Backup, Calendar
- Product Status :
- Active
- Rad Hardened :
- No
- Series :
- Automotive, AEC-Q100
- RoHS :
- Details
- Memory Size :
- 64B
- Maximum Operating Temperature :
- +85 °C
- Supply Voltage :
- 2.5V
- Max Operating Temperature :
- 85 °C
- RoHS Status :
- ROHS3 Compliant
- Mounting Style :
- SMD/SMT
- Mounting :
- Surface Mount
- Operating Temperature (Max) :
- 85C
- HTS Code :
- 8542.39.00.01
- Mounting Type :
- Surface Mount
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM
- Operating Temperature Classification :
- Industrial
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Pin Count :
- 8
- Date Format :
- YY-MM-DD-dd
- Base Part Number :
- MCP7940N
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Published :
- 2011
- Number of Pins :
- 8
- Radiation Hardening :
- No
- Supplier Device Package :
- 8-MSOP
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Power Supplies :
- 2/5V
- Operating Supply Voltage (Typ) :
- 2.5/3.3/5(V)
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Interface :
- I2C, 2-Wire Serial
- Peak Reflow Temperature (Cel) :
- 260
- Minimum Operating Supply Voltage :
- 1.8 V
- Bus Type :
- Serial I2C
- Seated Height-Max :
- 1.1 mm
- Maximum Operating Supply Voltage :
- 5.5 V
- Factory Lead Time :
- 7 Weeks
- Operating Temperature :
- -40°C~85°C
- Minimum Operating Temperature :
- -40 °C
- Clock Frequency :
- 0.032MHz
- Time Format :
- HH:MM:SS (12/24 hr)
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Number of Terminations :
- 8
- Voltage - Supply :
- 1.8V~5.5V
- Min Operating Temperature :
- -40 °C
- Terminal Form :
- Gull wing
- Supplier Package :
- MSOP
- Temperature Grade :
- Industrial
- Logic Function :
- Clock
- Screening Level :
- Industrial
- Terminal Pitch :
- 0.65mm
- JESD-30 Code :
- S-PDSO-G8
- Volatile :
- yes
- Base Product Number :
- MCP7940
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM
- Battery Backup Switching :
- Backup Switching
- Package :
- Tube
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Operating Temperature (Min) :
- -40C
- Max Supply Voltage :
- 5.5 V
- Brand :
- Microchip Technology / Atmel
- Length :
- 3mm
- Type :
- Clock/Calendar
- ECCN Code :
- EAR99
- Surface Mount :
- yes
- Operating Supply Voltage (Min) :
- 1.8(V)
- Terminal Position :
- Dual
- Dimensions :
- 3 x 3 x 0.95mm
- Current - Timekeeping (Max) :
- 1.2μA @ 3.3V
- Interrupt Capability :
- Y
- Mount :
- Surface Mount
- Datasheets
- MCP7940N-I/MS

Real Time Clocks Microchip Technology MCP7940N-I/MS Overview
The Real Time Clocks Microchip Technology MCP7940N-I/MS is an exceptional integrated circuit specifically designed for sophisticated time-tracking and calendar management across various applications. This IC, created by the renowned Microchip Technology, offers a seamless integration with I2C communication interfaces, housed in a compact 8-MSOP package. It is engineered to provide reliable timekeeping with minimal power consumption and high stability, making it an ideal choice for applications demanding accurate clock functions and calendar logistics. Its robust feature set supports extended usability in a wide range of market sectors, including telecommunications, consumer electronics, and industrial systems, helping businesses enhance operational efficiency and product reliability.
MCP7940N-I/MS Features
The MCP7940N-I/MS includes several key features that make it a versatile and essential component in any real-time clock and calendar application. It offers a comprehensive clock/calendar functionality with alarms, battery backup capabilities for continuous timekeeping even during power outages, and a digital trimming feature to adjust the time accuracy. Additionally, the small 8-MSOP package allows for a compact PCB design, crucial for modern, space-constrained electronic devices.
MCP7940N-I/MS Applications
- Consumer Electronics: Used in devices like smart watches, alarm clocks, and home automation systems to manage real-time clock and alarms, enhancing user convenience and device functionality.
- Telecommunication Systems: Helps in maintaining time-based data logging and time-stamping in communication equipment, ensuring accurate scheduling and record maintenance.
- Industrial Automation: Integrates into machinery and production systems to provide precise timing control, crucial for maintaining high levels of accuracy in operations and process management.
- Automotive Electronics: Employed in vehicle electronic systems to ensure synchronized functioning of time-dependent controls and systems, improving safety and reliability.
- Medical Devices: Utilized in medical equipment such as patient monitoring systems and health trackers to accurately log date and time for medical records and treatment schedules.
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