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