M51958A ic equivalent, system resetting ic.
* Few external parts
* Large delay time with a capacitor of small capacitance (td ≈ 100 ms, at 0.33 µF) (M51957, M51958)
* Low threshold operating voltage (Su.
including battery checking circuit, level detecting circuit and waveform shaping circuit.
Features
* Few external p.
M51957A,B/M51958A,B are semiconductor integrated circuits for resetting of all types of logic circuits such as CPUs, and has the feature of setting the detection voltage by adding external resistance.
They include a built-in delay circuit to provide .
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