MCP795B20-I/ST

Interface:	SPI
Base Part Number:	MCP795B20
Supplier Device Package:	14-TSSOP
Package / Case:	14-TSSOP (0.173", 4.40mm 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Part Status:	Obsolete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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Clock/Timing - Real Time Clocks with precise timekeeping requirements have become increasingly important in today\'s electronic products. The Microchip Technology MCP795B20-I/ST real-time clock (RTC) is a low-power, precise, real-time clock with high accuracy. This chip combines both an onboard programmable oscillator and watchdog timer to reduce board space and power consumption while still providing highly precise timing accuracy.The MCP795B20-I/ST provides precise timekeeping capability in many applications. It supports a wide array of data logging, metering, calculating, scheduling, and calendar keeping. It is also ideal for applications such as alarm control, timers, security systems, and medical devices.The MCP795B20-I/ST is designed with a total of 32 programmable registers. It is a high-performance synchronous RTC featuring a 32-kHz frequency-compensated oscillator. The device includes a backup battery for keeping time in case of externally lost power. Its versatile features require three key components to be functional: a crystal, an internal oscillator, and a battery.The MCP795B20-I/ST is an ideal choice for use in applications which need extremely precise timing accuracy and longer battery life. Its integrated oscillator provides the timekeeping accuracy, while its low-power features extend battery life. Its simple 2 wire interface makes it an easy choice to integrate into a product. The MCP795B20-I/ST uses two-wire Serial Communication Interface (SCI) to communicate with the host controller. The device supports several clock modes, including calendar and timekeeping modes.The MCP795B20-I/ST also supports numerous user-programmable interrupts, as well as a watchdog timer input that enables the device to detect a low-power situation. It supports both a presetable clock count and a real-time clock which are stored in two different registers. The count register can be preset to any date, and the real-time clock is set by the user, either manually or by an external source.The MCP795B20-I/ST is one of the smallest 32-bit integrated RTCs in the market, and it provides extremely precise timing resolution. This makes it ideal for use in applications such as clock-synchronization, scheduling, and time-stamping. It has a wide operating temperature range (-40°C to +85°C) and supports a variety of external quartz oscillators.The MCP795B20-I/ST is designed to operate on extremely low power (1uA at 3V), making it ideal for portable and battery powered applications. It features an onboard backup lithium battery that provides protection in the event of power failure. The device also supports numerous user-programmable registers, an independent watchdog input, and a1-Hz, 32 KHz and 16 MHz crystal oscillator outputs.The MCP795B20-I/ST real-time clock is a precision, low-power product that can provide accurate timekeeping for a variety of applications. Its various features such as programmable registers, watchdog timer, and low-power features make it a great choice for applications that require precise timekeeping. Its small size and wide temperature range also make it ideal for portable and battery powered applications.

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