Part PCA1621
Description CMOS
Manufacturer NXP Semiconductors
Size 85.83 KB
NXP Semiconductors

PCA1621 Overview

Key Features

  • 32 kHz oscillator, amplitude regulated with excellent frequency stability
  • High immunity of the oscillator to leakage currents
  • Time calibration electrically programmable and reprogrammable (via EEPROM)
  • A quartz crystal is the only external component required
  • Very low current consumption; typically 170 nA
  • Detector for silver-oxide or lithium battery voltage levels
  • Indication for battery end-of-life - PMFP8
  • Stop function for accurate timing
  • Power-on reset for fast testing
  • Figure 1 and Chapter “Package outline” show details of standard package, available for specified devices and f