MCP7940M-I/SN
- Mfr.Part #
- MCP7940M-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
- 38,609
- In Stock :
- 38,609
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- MSL :
- MSL 1 - Unlimited
- Function :
- Clock/Calendar/Alarm
- Operating Temperature :
- -40°C~85°C
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Number of Pins :
- 8
- HTS Code :
- 8542.39.00.01
- Length :
- 4.9mm
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Base Part Number :
- MCP7940M
- Interface :
- I2C, 2-Wire Serial
- Product Status :
- Active
- Product Type :
- Real Time Clocks
- Temperature Grade :
- Industrial
- Screening Level :
- Industrial
- Brand :
- Microchip Technology / Atmel
- Mounting Type :
- Surface Mount
- Volatile :
- No
- Maximum Operating Supply Voltage :
- 5.5 V
- Published :
- 1998
- Height :
- 1.25mm
- Package Shape :
- RECTANGULAR
- Terminal Form :
- Gull wing
- Supply Voltage :
- 2.5V
- Minimum Operating Supply Voltage :
- 1.8 V
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM
- Width :
- 3.9mm
- Supplier Package :
- SOIC N
- Radiation Hardening :
- No
- Maximum Operating Temperature :
- +85 °C
- Package Type :
- SOIC
- Supplier Device Package :
- 8-SOIC
- Peak Reflow Temperature (Cel) :
- 260
- Surface Mount :
- yes
- Number of Terminals :
- 8
- Minimum Operating Temperature :
- -40 °C
- Product Category :
- Real Time Clock
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Information Access Method :
- I2C
- Number of Terminations :
- 8
- Power Supplies :
- 2/5V
- Factory Lead Time :
- 6 Weeks
- Dimensions :
- 4.9 x 3.9 x 1.25mm
- REACH SVHC :
- No SVHC
- Package :
- Tube
- ECCN Code :
- EAR99
- JESD-609 Code :
- e3
- Base Product Number :
- MCP7940
- Series :
- -
- Seated Height-Max :
- 1.75 mm
- Qualification Status :
- Not Qualified
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM
- Current - Timekeeping (Max) :
- 1μA @ 5.5V
- Non-Volatile Memory :
- 64 B
- Number of Timers :
- 1
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Packaging :
- Tube
- Mounting Style :
- SMD/SMT
- Bus Type :
- Serial I2C
- Time Format :
- HH:MM:SS (12/24 hr)
- RoHS :
- Details
- JESD-30 Code :
- R-PDSO-G8
- Pin Count :
- 8
- Time-Min :
- SECONDS
- Date Format :
- YY-MM-DD-dd
- Memory Size :
- 64B
- Voltage - Supply, Battery :
- -
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Voltage - Supply :
- 1.8V~5.5V
- Reach Compliance Code :
- Compliant
- Lead Free :
- Lead Free
- Interrupt Capability :
- Y
- Terminal Position :
- Dual
- Manufacturer :
- Microchip
- Terminal Pitch :
- 1.27mm
- RoHS Status :
- ROHS3 Compliant
- Battery Backup Switching :
- No Backup Switching
- Type :
- Clock/Calendar
- Functions :
- Calendar, NV SRAM
- Logic Function :
- Clock
- Mounting :
- Surface Mount
- Datasheets
- MCP7940M-I/SN

Real Time Clocks Microchip Technology MCP7940M-I/SN Overview
The Real Time Clocks Microchip Technology MCP7940M-I/SN is a high-performance integrated circuit specifically designed for time-tracking and calendar applications in a wide range of digital devices. This IC incorporates a robust real-time clock/calendar functionality and features I2C communications, all encapsulated in a compact 8SOIC package. This product by Microchip Technology is tailored to meet the stringent requirements of sophisticated electronic systems, offering reliability and precision with minimal power consumption. The MCP7940M-I/SN is ideal for developers looking to integrate real-time scheduling and time-stamping functionality into their applications, ensuring accurate timing and enhanced device management.
MCP7940M-I/SN Features
The MCP7940M-I/SN from Microchip Technology offers several standout features including:
- Real-Time Clock/Calendar tracks seconds, minutes, hours, days, weeks, months, and years.
- Supports I2C communication protocol for easy integration into existing platforms.
- Automatic leap year compensation up to 2399 ensures continued accuracy.
- Low power consumption makes it suitable for battery-powered installations.
- Available in an 8SOIC package that is ideal for compact PCB layouts.
MCP7940M-I/SN Applications
- Consumer Electronics
Utilized in devices such as smart watches, cameras, and home automation systems for accurate timekeeping and event scheduling.
- Industrial Systems
Employs robust time-tracking to coordinate industrial machinery operations, optimizing maintenance schedules and operational efficiency.
- Portable Medical Devices
Ensures precise time management in medical devices such as glucose monitors and wearable health monitors, critical for patient care and data logging.
- Telecommunication Infrastructure
Used in systems requiring time stamping for data logging and monitoring, crucial for fault analysis and network management.
- Automotive Electronics
Provides real-time clock capabilities in dashboard electronics and navigation systems, enhancing functionality and user experience.
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