Download PCF2129 Datasheet PDF
NXP Semiconductors
PCF2129
PCF2129 is Accurate RTC manufactured by NXP Semiconductors.
Accurate RTC with integrated quartz crystal for industrial applications Rev. 8.0 - 18 July 2022 Product data sheet 1 General description The PCF2129 is a CMOS1 Real Time Clock (RTC) and calendar with an integrated Temperature pensated Crystal (Xtal) Oscillator (TCXO) and a 32.768 kHz quartz crystal optimized for very high accuracy and very low power consumption. The PCF2129 has a selectable I2C-bus or SPI-bus, a backup battery switch-over circuit, a programmable watchdog function, a timestamp function, and many other Features . For a selection of NXP Real-Time Clocks, see Table 82 2 Features and benefits - UL Recognized ponent (PCF2129AT and PCF2129T) - Operating...