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PCF2127A

Integrated RTC, TCXO and quartz crystal

Generaldescription ThePCF2127AisaCMOS1RealTimeClock(RTC)andcalendarwithanintegratedTemperatureCompensatedCrystal(Xtal)Oscillator(TCXO)anda32.768kHzquartzcrystaloptimizedforveryhighaccuracyandverylowpowerconsumption.ThePCF2127Ahas512bytesofgeneralpurpose

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PCF2127A

Tiny Real-Time Clock/calendar with alarm function and I2C-bus

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PCF2127A

Smart, simple solutions for the 12 most common design concerns

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PCF2127A

Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus

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PCF2127A

Nano-power highly accurate RTC with integrated quartz crystal for automotive applications

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PCF2127A

Integrated RTC, TCXO and quartz crystal;

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PCF2127AT

Accurate RTC with integrated quartz crystal for industrial applications; UL Recognized Component\nOperating temperature range from -40 °C to +85 °C\nTemperature Compensated Crystal Oscillator (TCXO) with integrated capacitors\nTypical accuracy:PCF2127AT: ±3 ppm from -15 °C to +60 °C\nPCF2127T: ±3 ppm from -30 °C to +80 °C\nIntegration of a 32.768 kHz quartz crystal and oscillator in the same package\nProvides year, month, day, weekday, hours, minutes, seconds, and leap yearcorrection\n512 bytes of general-purpose static RAM\nTimestamp function:with interrupt capability\ndetection of two different events on one multilevel input pin (for example, for tamperdetection)\nTwo line bidirectional 400 kHz Fast-mode I2C-bus interface\n3 line SPI-bus with separate data input and output (maximum speed 6.5 Mbit/s)\nBattery backup input pin and switch-over circuitry\nBattery backed output voltage\nBattery low detection function\nExtra power fail detection function with input and output pins\nPower-On Reset Override (PORO)\nOscillator stop detection function\nInterrupt output (open-drain)\nProgrammable 1 second or 1 minute interrupt\nProgrammable watchdog timer with interrupt\nProgrammable alarm function with interrupt capability\nProgrammable square wave output pin\nProgrammable countdown timer with interrupt\nClock operating voltage: 1.8 V to 4.2 V\nLow supply current: typical 0.70 μA at VDD = 3.3 V\n;

The PCF2127 is a CMOS Real Time Clock (RTC) and calendar with an integratedTemperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartzcrystal optimized for very high accuracy and very low power consumption. The PCF2127has 512 bytes of general-purpose static RAM, a selectable I2C-bus or SPI-bus, a backupbattery switch-over circuit, a programmable watchdog function, a timestamp function, andmany other features.\n

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PCF2127AT/1

Integrated RTC, TCXO and quartz crystal

Generaldescription ThePCF2127AisaCMOS1RealTimeClock(RTC)andcalendarwithanintegratedTemperatureCompensatedCrystal(Xtal)Oscillator(TCXO)anda32.768kHzquartzcrystaloptimizedforveryhighaccuracyandverylowpowerconsumption.ThePCF2127Ahas512bytesofgeneralpurpose

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PCF2127ATSLASH1

Integrated RTC, TCXO and quartz crystal

Generaldescription ThePCF2127AisaCMOS1RealTimeClock(RTC)andcalendarwithanintegratedTemperatureCompensatedCrystal(Xtal)Oscillator(TCXO)anda32.768kHzquartzcrystaloptimizedforveryhighaccuracyandverylowpowerconsumption.ThePCF2127Ahas512bytesofgeneralpurpose

ETC

PCF2127AT

Accurate RTC with integrated quartz crystal for industrial applications

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