MCP7940NT-E/MS
- Mfr.Part #
- MCP7940NT-E/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
- 10,881
- In Stock :
- 10,881
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Interrupt Capability :
- Y
- JESD-609 Code :
- e3
- Factory Lead Time :
- 7 Weeks
- RoHS :
- Details
- Terminal Pitch :
- 0.65mm
- Surface Mount :
- yes
- Product Status :
- Active
- Temperature Grade :
- Automotive
- Number of Terminations :
- 8
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM
- Packaging :
- Tape and Reel (TR)
- Information Access Method :
- I2C
- Base Part Number :
- MCP7940N
- Published :
- 2012
- Mounting Type :
- Surface Mount
- Seated Height-Max :
- 1.1 mm
- Number of Terminals :
- 8
- Memory Size :
- 64B
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Time-Min :
- SECONDS
- Weight :
- 139.989945mg
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM
- Mounting Style :
- SMD/SMT
- Voltage - Supply :
- 1.8V~5.5V
- Pin Count :
- 8
- Terminal Form :
- Gull wing
- Brand :
- Microchip Technology
- Type :
- Clock/Calendar
- Package Shape :
- Square
- Supplier Device Package :
- 8-MSOP
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Qualification Status :
- Not Qualified
- Screening Level :
- TS 16949
- Interface :
- I2C, 2-Wire Serial
- Number of Timers :
- 1
- Logic Function :
- Clock
- Current - Timekeeping (Max) :
- 1.2μA @ 3.3V
- Height Seated (Max) :
- 1.1mm
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Supply Voltage :
- 2.5V
- RoHS Status :
- ROHS3 Compliant
- Battery Backup Switching :
- Backup Switching
- Terminal Position :
- Dual
- HTS Code :
- 8542.39.00.01
- Product Type :
- Real Time Clocks
- Number of Pins :
- 8
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Volatile :
- No
- Product Category :
- Real Time Clock
- Series :
- Automotive, AEC-Q100
- Supplier Package :
- MSOP
- Maximum Operating Temperature :
- + 125 C
- Base Product Number :
- MCP7940
- Lead Free :
- Lead Free
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- Bus Type :
- Serial I2C
- Date Format :
- YY-MM-DD-dd
- Operating Temperature :
- -40°C~125°C
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Minimum Operating Temperature :
- - 40 C
- Mounting :
- Surface Mount
- ECCN Code :
- EAR99
- Length :
- 3mm
- Peak Reflow Temperature (Cel) :
- 260
- Power Supplies :
- 2/5V
- JESD-30 Code :
- S-PDSO-G8
- Reach Compliance Code :
- Compliant
- Time Format :
- HH:MM:SS (12/24 hr)
- Width :
- 3mm
- Manufacturer :
- Microchip
- Datasheets
- MCP7940NT-E/MS

Real Time Clocks Microchip Technology MCP7940NT-E/MS Overview
The MCP7940NT-E/MS by Microchip Technology is a state-of-the-art Real Time Clock/Calendar integrated circuit, designed to address complex timing requirements across a broad range of applications. Offering high accuracy and low-power consumption, this device integrates seamlessly into systems requiring time tracking and management, including embedded systems and IoT devices. The inclusion of a digitally controlled crystal oscillator ensures precision in timekeeping, making it an essential component for developers looking to enhance their products with reliable time-related functions. This overview highlights the importance and adaptability of the Real Time Clocks Microchip Technology MCP7940NT-E/MS, aiming to attract B2B customers interested in bulk purchases for advanced projects.
MCP7940NT-E/MS Features
The MCP7940NT-E/MS includes several key features that make it a versatile and indispensable tool in modern electronics design. It provides battery-backup capabilities for continuous timekeeping even during power loss. The I2C interface facilitates easy integration into existing microcontroller-based systems. Furthermore, the device supports automatic leap year correction and offers programmable clock output for peripheral devices, enhancing its utility and flexibility. Its compact 8-MSOP package allows for integration in space-constrained applications.
MCP7940NT-E/MS Applications
- Consumer Electronics: Utilized in devices like smart watches and home automation systems where accurate timekeeping is crucial.
- Industrial Systems: Ensures precise time management in systems like data loggers and industrial automation controllers.
- Telecommunication: Provides the time base needed for network time protocols in routers and switches.
- Portable Medical Devices: Used in medical devices where time stamping of events is necessary for data integrity and patient care.
- Automotive: Integrates into telematics systems to maintain accurate time for logging and GPS data correlation.
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