MCP79521-I/MS
- Mfr.Part #
- MCP79521-I/MS
- Manufacturer
- Microchip Technology
- Package / Case
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR SPI 10-MSOP
- Stock
- 1,974
- In Stock :
- 1,974
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Product Category :
- Real Time Clock
- Maximum Operating Temperature :
- +85 °C
- Base Part Number :
- MCP79521
- Schedule B :
- 8542390000
- Clock Frequency :
- 5MHz
- Lead Free :
- Lead Free
- Screening Level :
- Industrial
- JESD-609 Code :
- e3
- Surface Mount :
- yes
- Bus Type :
- Serial SPI
- Minimum Operating Supply Voltage :
- 1.8 V
- Maximum Operating Supply Voltage :
- 3.6 V
- Pin Count :
- 10
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Operating Supply Voltage :
- 2.5, 3.3 V
- Contact Plating :
- Tin
- Supplier Package :
- MSOP
- Package :
- Tube
- Mounting Type :
- Surface Mount
- Voltage - Supply, Battery :
- 1.3V~3.6V
- RoHS Status :
- ROHS3 Compliant
- Width :
- 3mm
- Subcategory :
- Clock and Timer ICs
- HTS Code :
- 8542.39.00.01
- Max Operating Temperature :
- 85 °C
- Interface :
- SPI
- Battery Backup Switching :
- Backup Switching
- Operating Temperature :
- -40°C~85°C
- Feature :
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID
- Product Status :
- Active
- Package Shape :
- Square
- Factory Lead Time :
- 5 Weeks
- Reach Compliance Code :
- Compliant
- Number of Terminations :
- 10
- Additional Feature :
- ALSO OPEARTES AT 1.8V MIN SUPPLY AT 3MHZ CLOCK FREQ
- Terminal Pitch :
- 0.5mm
- Voltage - Supply :
- 1.8V~3.6V
- Base Product Number :
- MCP79521
- Temperature Grade :
- Industrial
- Manufacturer :
- Microchip
- Mounting :
- Surface Mount
- Functions :
- Calendar
- Min Supply Voltage :
- 1.8 V
- RoHS :
- Compliant
- Min Operating Temperature :
- -40 °C
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- ECCN Code :
- EAR99
- Series :
- --
- Max Supply Voltage :
- 3.6 V
- Memory Size :
- 64B
- Radiation Hardening :
- No
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Number of Terminals :
- 10
- JESD-30 Code :
- S-PDSO-G10
- Minimum Operating Temperature :
- -40 °C
- Terminal Form :
- Gull wing
- Type :
- Clock/Calendar
- Logic Function :
- Clock
- Date Format :
- YY-MM-DD-dd
- Brand :
- Microchip Technology / Atmel
- Product Type :
- Real Time Clocks
- Package / Case :
- 10-TFSOP, 10-MSOP (0.118, 3.00mm Width)
- Length :
- 3mm
- Supplier Device Package :
- 10-MSOP
- Mounting Style :
- SMD/SMT
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Published :
- 2012
- Packaging :
- Tube
- Dimensions :
- 3 x 3 x 0.95mm
- Number of Pins :
- 10
- Seated Height-Max :
- 1.1 mm
- Peak Reflow Temperature (Cel) :
- 260
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Time Format :
- HH:MM:SS:hh (12/24 hr)
- Terminal Position :
- Dual
- Height :
- 950μm
- Function :
- Clock/Calendar/Alarm/Interrupt/Watchdog Timer/Battery Backup
- Package Type :
- MSOP
- Features :
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID
- Current - Timekeeping (Max) :
- 1μA @ 1.8V~3.6V
- Supply Voltage :
- 3V
- Datasheets
- MCP79521-I/MS

Real Time Clocks Microchip Technology MCP79521-I/MS Overview
The Real Time Clocks Microchip Technology MCP79521-I/MS is a high-performance, SPI-bus interface real-time clock/calendar optimized for low-power operations and packed with a wide array of features. Designed by Microchip Technology, this integrated circuit ensures accurate timekeeping with minimal power requirements, making it ideal for time-sensitive applications where reliability is crucial. Its compact 10-MSOP package makes it suitable for space-constrained applications, while offering the robustness expected from a leading semiconductor manufacturer. This product is perfectly tailored for businesses seeking reliable, long-term timekeeping solutions in their advanced electronic systems.
MCP79521-I/MS Features
The MCP79521-I/MS offers various features that enhance its utility in complex electronic systems. These include battery-backed non-volatile storage, a digital trimming feature to compensate for crystal aging, dual alarms, and a timestamp to log power failures. Its SPI bus interface facilitates easy integration into existing architectures, providing both versatility and reliability in communication. The device also supports extended temperature ranges, making it suitable for diverse operating environments.
MCP79521-I/MS Applications
- Data Logging Devices: Integrates seamlessly to provide accurate timestamping for events, ensuring data integrity and reliability in logging applications.
- Consumer Electronics: Used in devices like smart home systems and wearable technology to manage real-time operations efficiently.
- Industrial Systems: Provides reliable timekeeping in systems requiring scheduled maintenance or operational checks, critical for process management and safety.
- Communication Equipment: Ensures precise time management in communication systems, crucial for time-stamping communications and maintaining system synchronicity.
- Portable Medical Devices: Maintains accurate time tracking in medical devices that require precise scheduling and time-based functionalities.
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