Watch chip
Discontinued Products are limited to existing inventory.
The CF5705 series are low-current analog watch stepping motor driver CMOS ICs with built-in 32.768 kHz crystal oscillator circuit.
Key Features
  • 32.768 kHz crystal oscillator circuit (CG and CD built-in)
  • -3.6 to -1.2V operating supply voltage range
  • Operating current consumption
  • VSS= -1.55V, CD=16pF: 250nA (max)
  • VSS= -2.8V, CD=26pF: 1000nA (max)
  • note: Current consumption depends on the built-in capacitor.
  • Reset function: 4Hz and subsequent frequency dividers are reset
  • Chip form
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