MCP79401-I/MS
- Mfr.Part #
- MCP79401-I/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
- 38
- In Stock :
- 38
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Min Supply Voltage :
- 1.8 V
- Pin Count :
- 8
- Height Seated (Max) :
- 1.1mm
- Temperature Grade :
- Industrial
- Product Category :
- Real Time Clock
- JESD-609 Code :
- e3
- Power Supplies :
- 2/5V
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Interrupt Capability :
- Y
- RoHS Status :
- ROHS3 Compliant
- Max Supply Voltage :
- 5.5 V
- Min Operating Temperature :
- -40 °C
- Width :
- 3mm
- Product Type :
- Real Time Clocks
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Factory Lead Time :
- 7 Weeks
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Screening Level :
- TS 16949
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Time-Min :
- SECONDS
- Manufacturer :
- Microchip
- Number of Terminations :
- 8
- Base Part Number :
- MCP79401
- Logic Function :
- Clock
- Clock Frequency :
- 0.4MHz
- ECCN Code :
- EAR99
- Information Access Method :
- I2C
- Terminal Pitch :
- 0.65mm
- Battery Backup Switching :
- Backup Switching
- Series :
- --
- Supply Voltage :
- 2.5V
- Current - Timekeeping (Max) :
- 1.2μA Typ @ 3.3V
- RoHS :
- Compliant
- Number of Terminals :
- 8
- Interface :
- I2C, 2-Wire Serial
- Voltage - Supply :
- 1.8V~5.5V
- Maximum Operating Temperature :
- + 85 C
- Mounting Type :
- Surface Mount
- Minimum Operating Temperature :
- - 40 C
- Length :
- 3mm
- Package / Case :
- 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)
- Operating Temperature :
- -40°C~85°C
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Package :
- Tube
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Mounting Style :
- SMD/SMT
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Supplier Package :
- MSOP
- Peak Reflow Temperature (Cel) :
- 260
- Mounting :
- Surface Mount
- Brand :
- Microchip Technology / Atmel
- Date Format :
- YY-MM-DD-dd
- Volatile :
- No
- Number of Pins :
- 8
- JESD-30 Code :
- S-PDSO-G8
- Bus Type :
- Serial I2C
- Type :
- Clock/Calendar
- Time Format :
- HH:MM:SS (12/24 hr)
- Seated Height-Max :
- 1.1 mm
- Radiation Hardening :
- No
- Memory Size :
- 64B
- Packaging :
- Tube
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Mount :
- Surface Mount
- Product Status :
- Active
- MSL :
- MSL 2 - 1 year
- Terminal Form :
- Gull wing
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Surface Mount :
- yes
- Qualification Status :
- Not Qualified
- Number of Timers :
- 1
- Base Product Number :
- MCP79401
- Published :
- 2011
- HTS Code :
- 8542.39.00.01
- Reach Compliance Code :
- Compliant
- Max Operating Temperature :
- 85 °C
- Supplier Device Package :
- 8-MSOP
- Package Shape :
- Square
- Terminal Position :
- Dual
- Datasheets
- MCP79401-I/MS

Real Time Clocks Microchip Technology MCP79401-I/MS Overview
The Real Time Clocks Microchip Technology MCP79401-I/MS is a high-precision, I2C-communicable Real-Time Clock/Calendar optimized for effective power management and robust performance. This IC integrates a battery-backed SRAM, digital trimming/control to compensate for crystal aging, and a unique ID space for device serialization or calibration applications. Its compact 8-MSOP packaging makes it ideal for use in space-constrained applications, while offering the reliability expected from Microchip Technology, a leader in semiconductor innovation.
MCP79401-I/MS Features
The MCP79401-I/MS boasts several key features that make it an excellent choice for integrating into modern electronic systems. These include:
- Real-Time Clock/Calendar functionality with seconds, minutes, hours, day, date, month, and year information.
- Battery-backed operation ensuring clock accuracy during power failures.
- Digital trimming capability to compensate for crystal aging effects.
- 64 bytes of battery-backed SRAM and additional unique ID.
- I2C interface for simple integration into existing designs.
- Extended operating temperature range, making it suitable for industrial applications.
MCP79401-I/MS Applications
- Consumer Electronics: Utilized in smart home devices and wearable technology to keep accurate time and date, enhancing device reliability and user experience.
- Industrial Systems: Integrated in data loggers, industrial controllers, and monitoring systems where accurate time-stamping is crucial for operational integrity and regulatory compliance.
- Telecommunication: Employed in network infrastructure equipment to maintain system clock synchronization critical for data integrity and efficient network operations.
- Healthcare Devices: Used in medical monitoring systems to ensure precise time management which is vital for patient care and medical data accuracy.
- Automotive: Applied in automotive modules that require real-time clock functions for system checks and logging activities.
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