MCP7940MT-I/SN
- Mfr.Part #
- MCP7940MT-I/SN
- Manufacturer
- Microchip Technology
- Package / Case
- 8-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR I2C 8-SOIC
- Stock
- 29,989
- In Stock :
- 29,989
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Operating Temperature :
- -40°C~85°C
- Supplier Device Package :
- 8-SOIC
- Packaging :
- Tape and Reel (TR)
- Interrupt Capability :
- Y
- Published :
- 2007
- Maximum Operating Temperature :
- + 85 C
- Logic Function :
- Clock
- Battery Backup Switching :
- No Backup Switching
- Time-Min :
- SECONDS
- Base Part Number :
- MCP7940M
- ECCN Code :
- EAR99
- Number of Terminations :
- 8
- Product Type :
- Real Time Clocks
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Current - Timekeeping (Max) :
- 1μA @ 5.5V
- RoHS Status :
- ROHS3 Compliant
- Product Status :
- Active
- Supplier Package :
- SOIC N
- Number of Timers :
- 1
- Brand :
- Microchip Technology
- Terminal Position :
- Dual
- RoHS :
- Details
- Width :
- 3.9mm
- Terminal Pitch :
- 1.27mm
- Volatile :
- No
- Time Format :
- HH:MM:SS (12/24 hr)
- Base Product Number :
- MCP7940
- Number of Terminals :
- 8
- Factory Lead Time :
- 7 Weeks
- Length :
- 4.9mm
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Number of Pins :
- 8
- Information Access Method :
- I2C
- MSL :
- MSL 3 - 168 hours
- HTS Code :
- 8542.39.00.01
- Voltage - Supply, Battery :
- --
- Mounting :
- Surface Mount
- Screening Level :
- Industrial
- Product Category :
- Real Time Clock
- Reach Compliance Code :
- Compliant
- Voltage - Supply :
- 1.8V~5.5V
- Mounting Type :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Function :
- Clock/Calendar/Alarm
- Manufacturer :
- Microchip
- Mounting Style :
- SMD/SMT
- Supply Voltage :
- 2.5V
- Interface :
- I2C, 2-Wire Serial
- Temperature Grade :
- Industrial
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Bus Type :
- Serial I2C
- Seated Height-Max :
- 1.75 mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Power Supplies :
- 2/5V
- Package Shape :
- RECTANGULAR
- Type :
- Clock/Calendar
- Series :
- --
- Memory Size :
- 64B
- Terminal Finish :
- Matte Tin (Sn) - annealed
- JESD-609 Code :
- e3
- Height Seated (Max) :
- 1.75mm
- Radiation Hardening :
- No
- Package :
- Tape and Reel (TR);Cut Tape (CT);Digi-Reel®;
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM
- Date Format :
- YY-MM-DD-dd
- Terminal Form :
- Gull wing
- Pin Count :
- 8
- Qualification Status :
- Not Qualified
- Surface Mount :
- yes
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM
- Minimum Operating Temperature :
- - 40 C
- JESD-30 Code :
- R-PDSO-G8
- Mount :
- Surface Mount
- Datasheets
- MCP7940MT-I/SN

Real Time Clocks Microchip Technology MCP7940MT-I/SN Overview
The Real Time Clocks Microchip Technology MCP7940MT-I/SN is an advanced real-time clock/calendar optimized for low power consumption and precise data logging. Manufactured by Microchip Technology, this component is designed to meet the stringent demands of sophisticated electronic applications, providing clock and calendar functions with the convenience of an I2C interface. Its small 8SOIC package makes it ideal for integration into space-constrained applications, while maintaining robust functionality and reliability. This product is particularly suitable for B2B customers looking to incorporate reliable time-keeping and scheduling functionalities into their bulk-produced electronics.
MCP7940MT-I/SN Features
This integrated circuit boasts several key features that enhance its appeal for industrial applications. It includes battery-backed non-volatile storage, ensuring that timekeeping continues even during power outages. The device supports the I2C interface, allowing for easy integration into existing digital systems. Additional features include automatic leap year correction, multiple alarm settings, and a digital trimming capability that compensates for crystal aging.
MCP7940MT-I/SN Applications
- Data Logging Systems: This IC can be effectively used to provide accurate time and date stamps for data collected, crucial for ensuring traceability and integrity in data logging applications.
- Consumer Electronics: Utilized in various consumer electronics such as smart home devices and personal gadgets, the MCP7940MT-I/SN ensures that these devices maintain accurate time, enhancing user interfaces and functionality.
- Industrial Automation: In industrial settings, accurate timekeeping is critical. This device can be integrated into automation systems to help schedule and timestamp events, improving process efficiency and reliability.
- Portable Medical Devices: Portable medical devices use the MCP7940MT-I/SN to manage time-sensitive data records and ensure that all logged events are precisely timestamped, which is essential for compliance and patient care.
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