M41T56M6E

Interface:	I²C, 2-Wire Serial
Base Part Number:	M41T
Supplier Device Package:	8-SO
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Current - Timekeeping (Max):	100µA (Typ) @ 4.5V ~ 5.5V
Voltage - Supply, Battery:	2.5 V ~ 3.5 V
Voltage - Supply:	4.5 V ~ 5.5 V
Series:	--
Date Format:	YY-MM-DD-dd
Time Format:	HH:MM:SS (24 hr)
Memory Size:	56B
Features:	Leap Year, NVSRAM
Type:	Clock/Calendar
Part Status:	Obsolete
Packaging:	Tube

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M41T56M6E Application Field and Working Principle

The M41T56M6E is an integrated circuit (IC) device that provides a real-time clock/calendar and 56 bytes of non-volatile memory. Specifically, it is an M41T series of ultra-low power CMOS Static RAM and real-time clock device with a 56-byte NVRAM. This tiny chip has a wide range of applications such as server ID tags, detection and automation devices, medical applications, and pool controllers. In short, the M41T56M6E is a versatile device which combines a real-time clock and 56 bytes of non-volatile CMOS RAM in a compact 24-pin package. It is ideal for embedded systems needing a reliable low power source of time and date.

Application Field

The M41T56M6E is primarily used to implement low-power real-time clock in a variety of different applications. The M41T56M6E is designed to operate in an extremely low power environment with a standby current of less than 900 nA. It is also extremely stable over its specified operating temperature range. The small package size of the M41T56M6E is one of its main features, making it ideally suited for portable and embedded systems. It has a unique “Power-Up Reset” feature which allows devices powered off for extended periods of time to continue keeping accurate time. The M41T56M6E is ideal for servers or other embedded devices that require a reliable source of timing without consuming a lot of power. The 56 bytes of non-volatile RAM makes the M41T56M6E well suited for applications that need to log various sensor data or other memory intensive tasks.

Working Principle

The M41T56M6E is a 24-pin integrated circuit that combines a real-time clock and 56 bytes of non-volatile CMOS RAM. The real-time clock is a time-keeping device with accuracy to ±1 minute per month. The 56 bytes of non-volatile RAM can be used to store various data such as sensor readings, user preferences, and device configuration. The real-time clock operates on a 32.768 kHz crystal. The on-chip oscillator is calibrated by an external quartz crystal or ceramic resonator. The oscillator is then used to increment the M41T56M6E’s 256-byte static memory, where the clock\'s year, month, day, hour, minute, and second can be accessed. The clock and calendar registers are write-protected to prevent inadvertent changes of the stored values. The M41T56M6E also features a unique “Power-up Reset” which allows the clock to continue to keep accurate time while powered off. Finally, the non-volatile RAM is a low-power static RAM which is capable of storing 56 bytes of inaccessible memory when power is removed. It uses high-speed CMOS technology which is immune to static discharge and power supply fluctuations.

Conclusion

The M41T56M6E is an excellent choice for embedded applications requiring low power, accuracy, and a reliable source of time and date. It is also a great choice for applications that need to store and access small amounts of non-volatile data. The combination of its real-time clock and 56 bytes of static RAM makes the M41T56M6E a powerful and versatile device.

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