Patent ID: 6246092
Filing Date: 2001-06-12
Classification: H01L

Abstract:
A MOS type semiconductor apparatus, comprising:a first MOS type semiconductor device through which first current flows, and which includes a source electrode and a gate electrode;a second MOS type semiconductor device through which second current that is smaller than the first current flows, said second MOS type semiconductor device having substantially the same structure as said first MOS type semiconductor device, and including a source electrode and a gate electrode, said first MOS type semiconductor device and said second MOS type semiconductor device being provided on the same semiconductor substrate, and having a common drain electrode, said gate electrode of said second MOS type semiconductor device being connected to said common drain electrode; anda plurality of Zener diodes which are connected in series and provided between said source electrode of said second MOS type semiconductor device and said gate electrode of said first MOS type semiconductor device, at least two Zener diodes of said plurality of Zener diodes being reversely connected.