M51954B resetting equivalent, voltage detecting / system resetting.
* Few external parts
* Large delay time with a capacitor of small capacitance (td ≈ 100 ms, at 0.33 µF) (M51953, M51954)
* Low threshold operating voltage (Su.
including battery checking circuit, level detecting circuit and waveform shaping circuit.
Features
* Few external p.
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