MCP795B20-I/SL

Interface:	SPI
Base Part Number:	MCP795B20
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Current - Timekeeping (Max):	1µA @ 1.8V ~ 5.5V
Voltage - Supply, Battery:	1.3 V ~ 5.5 V
Voltage - Supply:	1.8 V ~ 5.5 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, Watchdog Timer
Type:	Clock/Calendar
Part Status:	Obsolete
Packaging:	Tube

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Introduction

The MCP795B20-I/SL is a real-time clock (RTC) designed to ensure accurate time keeping in the most demanding applications. It features an integrated crystal oscillator combined with a low-power, low-voltage operation, making it an ideal clock choice for industrial, automotive, and consumer applications.

Application Fields

The MCP795B20-I/SL is an ideal clock choice for industrial, automotive, and consumer applications. Its wide operating temperature range, low power consumption, and integrated crystal oscillator make it ideal for applications where accuracy and power efficiency is paramount.This RTC can be used in the industrial automation, automotive, and consumer applications. In industrial automation, it can be used to sense, monitor, and control process and manufacturing times. As such, it can provide a means for real-time data collection to an overall monitoring and control system. In automotive applications, it can provide an accurate time stamp for driver-assistance systems,such as lane departure warning systems, or vehicle tracking systems. In consumer applications, it can measure time in-game or provide a time stamp for digital video recording.

Working Principle

The MCP795B20-I/SL features an integrated crystal oscillator. This oscillator is a resonator which vibrates at a specific frequency, and is used in the construction of RTCs to keep accurate time. This crystal oscillator integrates with a programmable counter to accurately record time and provide an interrupt signal when required. The MCP795B20-I/SL uses a low-voltage operation and ultra-low-power current consumptions which enable it to maintain a precise time while consuming minimal power. The power supply can be as low as 1.5V, and operating current as low as 160µA.The MCP795B20-I/SL can be used with a wide range of sources including an external integrated oscillator or an external clock, allowing for a variety of use cases. This can be useful when designing embedded systems, as it eliminates the need for a dedicated system clock.

Conclusion

The MCP795B20-I/SL is a real-time clock (RTC) ideal for industrial, automotive, and consumer applications. Its low-voltage operate and low-power current consumption make it perfect for battery-operated devices, while its wide operating temperature range ensures reliable operation in harsh environments. Its integrated crystal oscillator ensures accurate time keeping and can be used with a variety of sources, allowing for flexible application usage.

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