MCP79400-I/SN
- Mfr.Part #
- MCP79400-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
- 14,419
- In Stock :
- 14,419
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Mounting :
- Surface Mount
- Operating Temperature (Min) :
- -40C
- Volatile :
- No
- Supplier Package :
- SOIC N
- Terminal Form :
- Gull wing
- Minimum Operating Temperature :
- -40 °C
- Operating Supply Voltage :
- 2.5, 3.3, 5 V
- Max Operating Temperature :
- 85 °C
- Minimum Operating Supply Voltage :
- 1.8 V
- Number of Terminations :
- 8
- Maximum Operating Supply Voltage :
- 2.5 V
- Length :
- 4.9mm
- JESD-609 Code :
- e3
- Series :
- --
- Brand :
- Microchip Technology / Atmel
- Mounting Type :
- Surface Mount
- Reach Compliance Code :
- Compliant
- Bus Type :
- Serial I2C
- Maximum Operating Temperature :
- +85 °C
- Function :
- Clock/Calendar/Alarm/Battery Backup
- Operating Temperature :
- -40°C~85°C
- Clock Frequency :
- 0.4MHz
- Mount :
- Surface Mount
- Type :
- Clock/Calendar
- Operating Temperature (Max) :
- 85C
- Interface :
- I2C, 2-Wire Serial
- Package :
- Tube
- Pin Count :
- 8
- Features :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Time Format :
- HH:MM:SS (12/24 hr)
- Base Part Number :
- MCP79400
- Power Supplies :
- 2/5V
- Packaging :
- Tube
- Operating Supply Voltage (Min) :
- 1.8(V)
- Information Access Method :
- I2C
- Seated Height-Max :
- 1.75 mm
- Max Supply Voltage :
- 5.5 V
- Functions :
- Calendar
- RoHS :
- Compliant
- Manufacturer :
- Microchip
- Height :
- 1.5mm
- Battery Backup Switching :
- Backup Switching
- Surface Mount :
- yes
- Package / Case :
- 8-SOIC (0.154, 3.90mm Width)
- Min Supply Voltage :
- 1.8 V
- Number of Timers :
- 1
- Schedule B :
- 8542390000, 8542390000/8542390000/8542390000/8542390000/8542390000
- MSL :
- MSL 2 - 1 year
- Dimensions :
- 4.9 x 3.9 x 1.5mm
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Package Type :
- SOIC N
- Interrupt Capability :
- Y
- Voltage - Supply :
- 1.8V~5.5V
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Number of Pins :
- 8
- Peak Reflow Temperature (Cel) :
- 260
- HTS Code :
- 8542.39.00.01
- Base Product Number :
- MCP79400
- RoHS Status :
- ROHS3 Compliant
- JESD-30 Code :
- R-PDSO-G8
- Supplier Device Package :
- 8-SOIC
- Operating Supply Voltage (Max) :
- 5.5(V)
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Min Operating Temperature :
- -40 °C
- Memory Size :
- 64B
- Date Format :
- YY-MM-DD-dd
- Published :
- 2005
- REACH SVHC :
- No SVHC
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Temperature Grade :
- Industrial
- Current - Timekeeping (Max) :
- 1.2μA Typ @ 3.3V
- Qualification Status :
- Not Qualified
- Lead Free :
- Lead Free
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Mounting Style :
- SMD/SMT
- Rad Hardened :
- No
- Supply Voltage :
- 2.5V
- Feature :
- Alarm, Leap Year, Square Wave Output, SRAM, Unique ID
- Terminal Position :
- Dual
- Product Status :
- Active
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- ECCN Code :
- EAR99
- Width :
- 3.9mm
- Factory Lead Time :
- 7 Weeks
- Operating Temperature Classification :
- Industrial
- Product Type :
- Real Time Clocks
- Time-Min :
- SECONDS
- Terminal Pitch :
- 1.27mm
- Screening Level :
- TS 16949
- Package Shape :
- RECTANGULAR
- Radiation Hardening :
- No
- Product Category :
- Real Time Clock
- Logic Function :
- Clock
- Number of Terminals :
- 8
- Operating Supply Voltage (Typ) :
- 2.5/3.3/5(V)
- Datasheets
- MCP79400-I/SN

Real Time Clocks Microchip Technology MCP79400-I/SN Overview
The MCP79400-I/SN by Microchip Technology is a high-performance Real Time Clock/Calendar, fully integrated with EEPROM and SRAM, suitable for sophisticated time tracking and data logging solutions. Designed with precision and reliability in mind, this IC ensures accurate timekeeping with minimal power consumption, making it ideal for advanced embedded systems. Featuring an integrated battery backup input and a unique serial number with a MAC address space, the MCP79400-I/SN provides robust support for networked devices. The compact 8-SOIC package enables streamlined integration into various applications, meeting the demands of B2B customers looking for scalable, precise time solutions.
MCP79400-I/SN Features
- I2C Interface: Ensures easy integration with most microcontrollers, providing flexibility and simplicity in system design.
- 64-Byte Battery-Backed SRAM and 1 Kbit EEPROM: Offers ample storage for critical data which is preserved during power loss, enhancing device reliability.
- Automatic Leap Year Compensation: Accurate calendar functionality until 2399 without the need for manual updates.
- Digital Trimming: Allows adjustment of timekeeping accuracy, crucial for applications requiring precise time management.
- Unique ID with MAC Address: Facilitates network configuration and device authentication, enhancing security and network management.
MCP79400-I/SN Applications
- Consumer Electronics: Utilized in devices such as smart watches and fitness trackers where accurate timekeeping is essential.
- Networking Equipment: Provides network time protocol support and device authentication in routers and switches.
- Industrial Systems: Key component in time-sensitive automation controls and data loggers, ensuring synchronized operations and record keeping.
- Utility Metering: Applied in smart metering solutions to ensure precise billing cycles and data integrity.
- Medical Devices: Integral in maintaining accurate time stamps for patient monitoring systems and medical data records.
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