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