MCP795W21-I/ST
- Mfr.Part #
- MCP795W21-I/ST
- Manufacturer
- Microchip Technology
- Package / Case
- 14-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC RTC CLK/CALENDAR SPI 14-TSSOP
- Stock
- 76
- In Stock :
- 76
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Memory Size :
- 64B
- Number of Terminals :
- 14
- HTS Code :
- 8542.39.00.01
- Supplier Device Package :
- 14-TSSOP
- Reach Compliance Code :
- Compliant
- Number of Bits :
- 8
- Mount :
- Surface Mount
- Terminal Form :
- Gull wing
- Feature :
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
- Published :
- 2011
- Type :
- Clock/Calendar
- Clock Frequency :
- 10MHz
- RoHS Status :
- ROHS3 Compliant
- Product Category :
- Real Time Clock
- Function :
- Alarm, Calendar, Clock
- Max Operating Temperature :
- 85 °C
- Additional Feature :
- ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Length :
- 5.1mm
- Packaging :
- Tube
- Minimum Operating Temperature :
- - 40 C
- Features :
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
- Time-Min :
- 1/100SECOND
- Terminal Position :
- Dual
- Number of Pins :
- 14
- Seated Height-Max :
- 1.2 mm
- Base Part Number :
- MCP795W21
- Supply Voltage :
- 5V
- Base Product Number :
- MCP795W21
- Terminal Pitch :
- 0.65mm
- Radiation Hardening :
- No
- Pin Count :
- 14
- Min Operating Temperature :
- -40 °C
- Date Format :
- YY-MM-DD-dd
- Number of Terminations :
- 14
- Logic Function :
- Clock
- Factory Lead Time :
- 18 Weeks
- Series :
- --
- Peak Reflow Temperature (Cel) :
- 260
- Operating Temperature :
- -40°C~85°C
- Battery Backup Switching :
- Backup Switching
- Mounting Style :
- SMD/SMT
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Surface Mount :
- yes
- JESD-609 Code :
- e3
- Max Supply Voltage :
- 5.5 V
- Current - Timekeeping (Max) :
- 1μA @ 1.8V~5.5V
- RoHS :
- Details
- Package :
- Tube
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Height :
- 1.05mm
- Manufacturer :
- Microchip
- Time Format :
- HH:MM:SS:hh (12/24 hr)
- Mounting Type :
- Surface Mount
- Product Type :
- Real Time Clocks
- Package / Case :
- 14-TSSOP (0.173, 4.40mm Width)
- Temperature Grade :
- Industrial
- Min Supply Voltage :
- 1.8 V
- Lifecycle Status :
- Production (Last Updated: 2 years ago)
- Interrupt Capability :
- Y
- Package Shape :
- RECTANGULAR
- Voltage - Supply, Battery :
- 1.3V~3.6V
- Interface :
- SPI
- Information Access Method :
- SERIAL, 4 WIRE/SPI
- Width :
- 4.5mm
- Qualification Status :
- Not Qualified
- Volatile :
- No
- JESD-30 Code :
- R-PDSO-G14
- Power Supplies :
- 2/5V
- Product Status :
- Active
- Voltage - Supply :
- 1.8V~3.6V
- ECCN Code :
- EAR99
- Maximum Operating Temperature :
- + 85 C
- Brand :
- Microchip Technology
- Terminal Finish :
- Matte Tin (Sn) - annealed
- Datasheets
- MCP795W21-I/ST

Real Time Clocks Microchip Technology MCP795W21-I/ST Overview
The MCP795W21-I/ST from Microchip Technology is a high-performance Real Time Clock/Calendar optimized for effective time tracking and data logging with SPI communication. This integrated circuit is designed in a compact 14TSSOP package, making it ideal for embedded systems where space and reliable timekeeping are crucial. The Microchip Technology MCP795W21-I/ST stands out for its precision and low-power consumption, suitable for demanding applications across various sectors. Its integration of a battery-switchover circuit ensures consistent functionality, even during power interruptions, making it a robust choice for critical data and time management solutions.
MCP795W21-I/ST Features
- SPI Bus Interface: Enables simple integration with most microcontrollers.
- Battery Backup Input: Ensures timekeeping continues even in the event of power loss.
- Low Power Consumption: Ideal for battery-operated applications.
- Compact 14TSSOP Package: Fits easily into space-constrained applications.
- Programmable Clock Output: For scheduling wake-up alarms or interfacing with external systems.
- Timestamp and Battery-Backed SRAM: Helps log data during power down scenarios.
MCP795W21-I/ST Applications
- Consumer Electronics: Used in devices like smart watches, clocks, and home automation systems to maintain accurate time even when disconnected from power.
- Industrial Systems: Provides reliable timekeeping for machinery and production line scheduling, ensuring synchronized operations.
- Networking Equipment: Helps in time-stamping and logging events critical in network management and troubleshooting.
- Portable Medical Devices: Ensures accurate time tracking and data logging for patient monitoring systems.
- Automotive Electronics: Utilized in systems requiring time-based operations such as navigation and black box recorders.
- Energy Systems: Maintains system clock in renewable energy controllers, optimizing the timing for power generation and grid synchronization.
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