MCP795B21-I/ST
- Mfr.Part #
- MCP795B21-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
- 4,700
- In Stock :
- 4,700
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- Manufacturer :
- Microchip Technology
- Product Category :
- Real Time Clocks
- Current - Timekeeping (Max) :
- 1μA @ 1.8V~5.5V
- Number of Pins :
- 14
- Supply Voltage :
- 5V
- Mounting Type :
- Surface Mount
- Base Product Number :
- MCP795B21
- Manufacturer :
- Microchip Technology Inc
- Mount :
- Surface Mount
- Feature :
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
- Logic Function :
- Clock
- Package / Case :
- 14-TSSOP (0.173, 4.40mm Width)
- Max Supply Voltage :
- 5.5 V
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Surface Mount :
- yes
- Radiation Hardening :
- No
- uPs/uCs/Peripheral ICs Type :
- TIMER, REAL TIME CLOCK
- Min Supply Voltage :
- 1.8 V
- Date Format :
- YY-MM-DD-dd
- Number of Terminals :
- 14
- Interface :
- SPI
- Terminal Finish :
- Matte Tin (Sn)
- Product Status :
- Obsolete
- Reach Compliance Code :
- Compliant
- Power Supplies :
- 2/5V
- JESD-609 Code :
- e3
- Packaging :
- Tube
- Clock Frequency :
- 10MHz
- Time-Min :
- 1/100SECOND
- Voltage - Supply, Battery :
- 1.3V~5.5V
- Terminal Form :
- Gull wing
- HTS Code :
- 8542.39.00.01
- Operating Temperature :
- -40°C~85°C
- Qualification Status :
- Not Qualified
- Max Operating Temperature :
- 85 °C
- Width :
- 4.4mm
- Type :
- Clock/Calendar
- Length :
- 5mm
- Temperature Grade :
- Industrial
- Height Seated (Max) :
- 1.2mm
- Supplier Device Package :
- 14-TSSOP
- Features :
- Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID, Watchdog Timer
- Memory Size :
- 64B
- RoHS Status :
- ROHS3 Compliant
- Pin Count :
- 14
- Number of Terminations :
- 14
- ECCN Code :
- EAR99
- Base Part Number :
- MCP795B21
- JESD-30 Code :
- R-PDSO-G14
- Terminal Pitch :
- 0.65mm
- Series :
- --
- Published :
- 2011
- Package :
- Tube
- Additional Feature :
- ALSO OPEARTES AT 1.8 V MINIMUM SUPPLY AT 3 MHZ
- Information Access Method :
- SERIAL, 4 WIRE/SPI
- Interrupt Capability :
- Y
- Voltage - Supply :
- 1.8V~5.5V
- Package Shape :
- RECTANGULAR
- Volatile :
- No
- Number of Bits :
- 8
- Min Operating Temperature :
- -40 °C
- RoHS :
- Compliant
- Seated Height-Max :
- 1.2 mm
- Terminal Position :
- Dual
- Time Format :
- HH:MM:SS:hh (12/24 hr)
- Datasheets
- MCP795B21-I/ST

Real Time Clocks Microchip Technology MCP795B21-I/ST Overview
The MCP795B21-I/ST by Microchip Technology is a high-performance Real Time Clock/Calendar integrated circuit, engineered to address the demanding needs of time-sensitive applications. With its SPI interface, this IC provides precision timing and advanced calendar functionalities in a compact 14-TSSOP package, making it ideal for embedding in space-constrained environments. This Real Time Clock (RTC) device ensures accurate timekeeping and reliable operation, backed by Microchip's reputation for delivering robust and efficient electronic components. Incorporating the MCP795B21-I/ST in your systems ensures not only operational precision but also enhances overall device reliability.
MCP795B21-I/ST Features
The MCP795B21-I/ST offers a suite of features tailored for efficient time management within electronic systems. It includes an SPI bus interface for easy communication with microcontrollers, a battery-backup capability for continuous timekeeping even during power outages, and programmable clock output for peripheral device control. Additionally, its digital trimming feature compensates for crystal aging and temperature drift, ensuring long-term accuracy and reliability.
MCP795B21-I/ST Applications
- Consumer Electronics: Utilized in devices like set-top boxes and digital cameras, where maintaining accurate time is crucial for recording and programming purposes.
- Industrial Systems: Essential in data loggers and monitoring systems, providing timestamp functionality for data integrity and traceability.
- Telecommunications: Deployed in network routers and switches to maintain accurate logging of events, crucial for network management and troubleshooting.
- Automotive Electronics: Used in dashboard electronics and navigation systems, ensuring accurate time display and system synchronization.
- Healthcare Devices: Integral to medical equipment such as patient monitoring systems, where precise timekeeping is critical to ensure proper operation and data recording.
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