OVERVIEW

The CF5705 series is a low-current analog watch stepping motor driver CMOS IC with built-in 32.768 kHz crystal oscillator circuit.

FEATURES

■ 32.768 kHz crystal oscillator circuit CG and CD built-in

■ −3.6 to −1.2 V operating supply voltage range

■ Operating current consumption

• VSS = –1.55V, CD = 16pF: 250 nA (max)

• VSS = –2.8V, CD = 26pF: 1000 nA (max)

Note: Current consumption depends on the built-in capacitor.

■ Reset function

4 Hz and subsequent frequency dividers are reset