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