PCF2131TFY

PCF2131 Nano-Power Highly Accurate RTC

NXP Semiconductors PCF2131 Nano-Power Highly Accurate Real-Time Clock (RTC) features an integrated Temperature Compensated Crystal (Xtal) Oscillator (TCXO) and a 32.768kHz quartz crystal. The PCF2131 is optimized for very high accuracy and ultra-low power consumption. The PCF2131 offers a selectable I²C-bus or SPI-bus, a backup battery switch-over circuit, a programmable watchdog function, four timestamps function, and many other features.