MCP79521T-I/MN

Interface:	SPI
Base Part Number:	MCP79521
Supplier Device Package:	10-TDFN (3x3)
Package / Case:	10-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Current - Timekeeping (Max):	1µA @ 1.8V ~ 3.6V
Voltage - Supply, Battery:	1.3 V ~ 3.6 V
Voltage - Supply:	1.8 V ~ 3.6 V
Series:	--
Date Format:	YY-MM-DD-dd
Time Format:	HH:MM:SS:hh (12/24 hr)
Memory Size:	64B
Features:	Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID
Type:	Clock/Calendar
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MCP79521T-I/MN Real Time ClocksReal time clocks are designed to keep track of current time and date accurately and have a built-in oscillator circuit that allows its timer circuits to count time without the need of any other external time source. The MCP79521T-I/MN real time clocks (RTC) are designed to provide users with an extremely accurate and reliable timekeeping solution in a wide variety of application fields.The MCP79521T-I/MN real time clocks have a variety of features that make them suitable for a range of applications. It offers a low-power standby mode that combines high-accuracy timekeeping with a low-power dissipation, allowing for power savings in portable and battery-powered designs. It is equipped with a temperature-compensated oscillator that can be programmed to adjust the clock frequency to mitigate the effects of aging and temperature. The integrated watchdog timer provides system-wide monitoring and can help detect a wide variety of problems including system hangs, power supply disruptions, and core malfunctioning.The MCP79521T-I/MN real time clock provides users with a variety of features for even more accurate timekeeping. It is equipped with an onboard temperature sensor that provides an accurate temperature reading. This can be used to calculate an internal time calibration register which can be updated periodically, allowing the RTC to compensate for temperature effects. The onboard oscillator has superior stability and accuracy, which allows it to maintain accuracy over a wide range temperature range. Additionally, the RTC can be configured to adjust its frequency to that of a reference oscillator, enabling users to synchronize the clocks in multiple systems.The MCP79521T-I/MN RTC also has numerous features that make it suitable for a variety of applications. This includes support for an interrupt response time of 10 msec, and a programmable alarm time with separate seconds, minutes, hours and day settings. This allows users to set up alarms that can be used to perform maintenance routines or to launch programs at set times. The MCP79521T-I/MN also supports trickle charge mode and reset delay timeouts, helping to protect the system from data loss or corruption due to power outages.In summary, the MCP79521T-I/MN real time clocks are designed to provide users with an extremely accurate and reliable timekeeping solution in a wide variety of applications. It features a low-power standby mode and a temperature-compensated oscillator for improved accuracy and stability. In addition, the onboard oscillator has superior accuracy and stability over a wide temperature range. With its programmable alarms, interrupt response time, and trickle charge mode, the MCP79521T-I/MN RTC is an ideal choice for a wide range of applications requiring reliable timekeeping.

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