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