Datasheet4U Logo Datasheet4U.com

PCF2127 Datasheet ACcurate Rtc

Manufacturer: NXP Semiconductors

Overview: PCF2127 Accurate RTC with integrated quartz crystal for industrial applications Rev. 8 — 19 December 2014 Product data sheet 1.

General Description

The PCF2127 is a CMOS1 Real Time Clock (RTC) and calendar with an integrated Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz crystal optimized for very high accuracy and very low power consumption.

The PCF2127 has 512 bytes of general-purpose static RAM, a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a programmable watchdog function, a timestamp function, and many other

Key Features

  • UL Recognized Component.
  • Operating temperature range from 40 C to +85 C.
  • Temperature Compensated Crystal Oscillator (TCXO) with integrated capacitors.
  • Typical accuracy:.
  • PCF2127AT: 3 ppm from 15 C to +60 C.
  • PCF2127T: 3 ppm from 30 C to +80 C.
  • Integration of a 32.768 kHz quartz crystal and oscillator in the same package.
  • Provides year, month, day, weekday, hours, minutes, seconds, and leap year correction.
  • 512 bytes of general-purpose stati.

PCF2127 Distributor