Reliable ferro fuse cell
View Patent ↗The present invention includes a ferro fuse cell comprising a ferroelectric storage capacitor electrically connected to a plate on one side and to a sense amplifier on the other side. A ferroelectric measurement capacitor is electrically connected between the ferroelectric storage capacitor and the sense amplifier.
1. A ferro fuse cell comprising:
a ferroelectric storage capacitor electrically connected to a plate on one side and to a sense amplifier on the other side; and
a ferroelectric measurement capacitor electrically connected to the ferroelectric storage capacitor, the ferroelectric measurement capacitor being maintained in a non-switching state.
2. The ferro fuse cell of claim 1 , wherein one of electrode of the ferroelectric measurement capacitor is electrically connected between the ferroelectric storage capacitor and the sense amplifier.
3. The ferro fuse cell of claim 1 , wherein the ferroelectric measurement capacitor electrically connects the ferroelectric storage capacitor to ground.
4. The ferro-fuse cell of claim 1 , wherein the ferroelectric measurement capacitor electrically connects the ferroelectric storage capacitor to a second plate switched on to write back data to the measurement capacitor.
5. A ferro fuse cell comprising:
a ferroelectric storage capacitor electrically connected to a plate on one side and to a sense amplifier on the other sdie;
a ferroelectric measurement capacitor electrically connected to the ferroelectric storage capacitor;
a second ferroelectric storage capacitor electrically connected the plate on one side and to the sense amplifier on the other side; and
a second ferroelectric measurement capacitor electrically connected to the second ferroelectric storage capacitor and the plate.
6. The ferro-fuse cell of claim 5 , wherein both of the ferroelectric measurement capacitors are electrically connected to ground.
7. The ferro-fuse cell of claim 5 , wherein both of the ferroelectric measurement capacitors are electrically connected a second plate switched on to write back data to the measurement capacitors.
8. The ferro-fuse cell of claim 7 , wherein the ferroelectric measurement capacitor is in a reverse state relative to the ferroelectric storage capacitor and the second ferroelectric measurement capacitor is in a reverse state relative to the second ferroelectric storage capacitor.
9. The ferro fuse cell of claim 5 , wherein one electrode of the second ferroelectric measurement capacitor is electrically connected between the second ferroelectric storage capacitor and the sense amplifier.