MCP79401-I/SN
- Mfr.Part #
- MCP79401-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
- 49,849
- In Stock :
- 49,849
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Supply Voltage :
- 2.5V
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Mount :
- Surface Mount
- Time Format :
- HH:MM:SS (12/24 hr)
- Time-Min :
- SECONDS
- Max Supply Voltage :
- 5.5 V
- Packaging :
- Tube
- Brand :
- Microchip Technology / Atmel
- Factory Lead Time :
- 6 Weeks
- Temperature Grade :
- Industrial
- Function :
- Battery Switchover, Calendar, Clock, Unique ID
- Volatile :
- No
- Package :
- Tube
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Base Product Number :
- MCP79401
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Power Supplies :
- 2/5V
- Logic Function :
- Clock
- Supplier Package :
- SOIC N
- Terminal Pitch :
- 1.27mm
- Number of Terminals :
- 8
- Package Shape :
- RECTANGULAR
- Date Format :
- YY-MM-DD-dd
- Voltage - Supply :
- 1.8V~5.5V
- Width :
- 3.9mm
- Interface :
- I2C, 2-Wire Serial
- Number of Timers :
- 1
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Schedule B :
- 8542390000, 8542390000/8542390000, 8542390000/8542390000/8542390000, 8542390000/8542390000/8542390000/8542390000
- Bus Type :
- Serial I2C
- Min Operating Temperature :
- -40 °C
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Reach Compliance Code :
- Compliant
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Number of Terminations :
- 8
- Series :
- --
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Length :
- 4.9mm
- RoHS :
- Compliant
- Published :
- 2011
- Maximum Operating Supply Voltage :
- 5.5 V
- Screening Level :
- TS 16949
- JESD-609 Code :
- e3
- Height :
- 1.5mm
- Battery Backup Switching :
- Backup Switching
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Product Status :
- Active
- Mounting Style :
- SMD/SMT
- MSL :
- MSL 1 - Unlimited
- Qualification Status :
- Not Qualified
- Interrupt Capability :
- Y
- Mounting Type :
- Surface Mount
- Terminal Position :
- Dual
- Minimum Operating Supply Voltage :
- 1.8 V
- Dimensions :
- 4.9 x 3.9 x 1.5mm
- Radiation Hardening :
- No
- Operating Temperature :
- -40°C~85°C
- Product Category :
- Real Time Clock
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Base Part Number :
- MCP79401
- Peak Reflow Temperature (Cel) :
- 260
- ECCN Code :
- EAR99
- Memory Size :
- 64B
- RoHS Status :
- ROHS3 Compliant
- Maximum Operating Temperature :
- +85 °C
- Pin Count :
- 8
- Surface Mount :
- yes
- Seated Height-Max :
- 1.75 mm
- Type :
- Clock/Calendar
- Number of Pins :
- 8
- Product Type :
- Real Time Clocks
- Max Operating Temperature :
- 85 °C
- Current - Timekeeping (Max) :
- 1.2μA Typ @ 3.3V
- Information Access Method :
- I2C
- Manufacturer :
- Microchip
- JESD-30 Code :
- R-PDSO-G8
- Minimum Operating Temperature :
- -40 °C
- Terminal Form :
- Gull wing
- Min Supply Voltage :
- 1.8 V
- Clock Frequency :
- 0.4MHz
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- REACH SVHC :
- No SVHC
- Package Type :
- SOIC
- Mounting :
- Surface Mount
- Supplier Device Package :
- 8-SOIC
- HTS Code :
- 8542.39.00.01
- Height Seated (Max) :
- 1.75mm
- Datasheets
- MCP79401-I/SN

Real Time Clocks Microchip Technology MCP79401-I/SN Overview
The MCP79401-I/SN from Microchip Technology is a highly reliable, feature-packed Real Time Clock/Calendar optimized for effective time tracking and data logging applications. This integrated circuit (IC) is designed in an 8-pin SOIC package, offering a compact solution for embedded systems. As part of the Real Time Clocks category, this product is engineered to maintain accurate time and date information, supporting battery backup capabilities to ensure functionality during power loss. The inclusion of non-volatile memory enhances its utility in event logging, making it an ideal choice for applications requiring precise timestamping and data integrity.
MCP79401-I/SN Features
The MCP79401-I/SN includes several key features that make it stand out as a superior choice for developers and engineers:
- Digital trimming for precise timekeeping
- On-chip 64 x 8 bits of EEPROM and additional 1Kbit of SRAM
- Battery-backed operation for reliable timekeeping during power outages
- I2C Bus interface for easy integration into existing systems
- Automatic leap year compensation and alarm functions
- Low power consumption and wide voltage range compatibility
MCP79401-I/SN Applications
- Consumer Electronics: Utilized in smart home devices for managing schedules and performing automated tasks based on real-time clock inputs.
- Industrial Systems: Ensures accurate time stamping for event logging and data acquisition systems, crucial for monitoring and troubleshooting in industrial settings.
- Portable Devices: Used in portable medical devices where precise timekeeping is necessary to record time-stamped patient data or medication schedules.
- Networking Equipment: Essential for time-stamping in network switches and routers, providing accurate logging of data packets and network operations.
- Automotive: Integrates into automotive electronic systems for event logging and real-time system updates, ensuring synchronized operation across various electronic components.
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