MCP7940N-E/MS
- Mfr.Part #
- MCP7940N-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
- 256
- In Stock :
- 256
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- JESD-30 Code :
- S-PDSO-G8
- Manufacturer :
- Microchip
- Type :
- Clock/Calendar
- Moisture Sensitivity Level (MSL) :
- 2 (1 Year)
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM
- Minimum Operating Supply Voltage :
- 1.8 V
- Volatile :
- No
- Reach Compliance Code :
- Compliant
- Series :
- Automotive, AEC-Q100
- Product Type :
- Real Time Clocks
- JESD-609 Code :
- e3
- Operating Temperature :
- -40°C~125°C
- Brand :
- Microchip Technology / Atmel
- Seated Height-Max :
- 1.1 mm
- Terminal Position :
- Dual
- Width :
- 3mm
- Memory Size :
- 64B
- Factory Lead Time :
- 7 Weeks
- ECCN Code :
- EAR99
- Pin Count :
- 8
- Maximum Operating Supply Voltage :
- 5.5 V
- Mounting Type :
- Surface Mount
- Temperature Grade :
- Automotive
- Number of Terminations :
- 8
- Package :
- Tube
- Length :
- 3mm
- Terminal Form :
- Gull wing
- Number of Pins :
- 8
- Terminal Finish :
- Matte Tin (Sn) - annealed
- RoHS :
- Details
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Minimum Operating Temperature :
- - 40 C
- Height Seated (Max) :
- 1.1mm
- Logic Function :
- Clock
- Supply Voltage :
- 2.5V
- Weight :
- 139.989945mg
- Interrupt Capability :
- Y
- Voltage - Supply :
- 1.8V~5.5V
- Information Access Method :
- I2C
- Interface :
- I2C, 2-Wire Serial
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Function :
- Alarm, Calendar, Clock
- Power Supplies :
- 2/5V
- Packaging :
- Tube
- Surface Mount :
- yes
- Supplier Package :
- MSOP
- Product Category :
- Real Time Clock
- Time@Peak Reflow Temperature-Max (s) :
- 40
- RoHS Status :
- ROHS3 Compliant
- Number of Timers :
- 1
- Qualification Status :
- Not Qualified
- Peak Reflow Temperature (Cel) :
- 260
- Time Format :
- HH:MM:SS (12/24 hr)
- Product Status :
- Active
- Maximum Operating Temperature :
- + 125 C
- Mounting Style :
- SMD/SMT
- Package Shape :
- Square
- Base Part Number :
- MCP7940N
- Mounting :
- Surface Mount
- HTS Code :
- 8542.39.00.01
- Base Product Number :
- MCP7940
- Supplier Device Package :
- 8-MSOP
- Screening Level :
- TS 16949
- Bus Type :
- Serial I2C
- Time-Min :
- SECONDS
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM
- Terminal Pitch :
- 0.65mm
- Battery Backup Switching :
- Backup Switching
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Date Format :
- YY-MM-DD-dd
- Number of Terminals :
- 8
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Published :
- 2012
- Current - Timekeeping (Max) :
- 1.2μA @ 3.3V
- Datasheets
- MCP7940N-E/MS

Real Time Clocks Microchip Technology MCP7940N-E/MS Overview
The Microchip Technology MCP7940N-E/MS Real Time Clock/Calendar integrates seamlessly into a wide range of applications requiring accurate timekeeping and calendar functionality. This device, part of the advanced MCP7940N series, features an I²C interface and is housed in an 8MSOP package, making it perfect for systems where space is at a premium. With its low power consumption and full array of features, the MCP7940N-E/MS is an excellent choice for designers looking to enhance the reliability and functionality of their time-sensitive applications. The utilization of a highly stable oscillator ensures precision and minimal drift, making it a reliable cornerstone for any timing critical application.
MCP7940N-E/MS Features
The MCP7940N-E/MS from Microchip Technology offers a comprehensive set of features that make it a versatile choice for embedding into electronic systems. These features include a battery-backed operation which ensures timekeeping continues even during power outages, automatic leap year correction, and a programmable clock output for peripheral device control. Furthermore, the device supports I²C communications, allowing for easy integration into existing architectures.
MCP7940N-E/MS Applications
- Consumer Electronics: Utilized in devices such as smart home systems and wearables, where accurate timekeeping is crucial for functionality and user experience.
- Industrial Systems: Plays a critical role in time-stamping and logging events in automated systems to ensure accurate operation sequences and process monitoring.
- Telecommunications: Used in network equipment for time-stamping data packets, aiding in the maintenance and synchronization of complex communication infrastructures.
- Healthcare Devices: Essential for patient monitoring systems and medical devices where precise time tracking is necessary for data accuracy and device functionality.
- Automotive: Integrated into navigation systems and electronic control units where time synchronization is critical for system performance and reliability.
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