Data cells with drivers and methods of making and operating the same
Disclosed are methods and devices, among which is a device that includes a first semiconductor fin having a first gate, a second semiconductor fin adjacent the first semiconductor fin and having a second gate, and a third gate extending between the first semiconductor fin and the second semiconductor fin. In some embodiments, the third gate may not be electrically connected to the first gate or the second gate.
1. A circuit, comprising:
a plurality of data cells individually comprising:
a data element; and
a driver connected to the data element; the driver comprising first, second, and third transistors; a gate of the third transistor extending under a gate of the first transistor and a gate of the second transistor.
2. The circuit of claim 1 , wherein the data element comprises a memory element or an imaging element.
3. The circuit of claim 1 , wherein the data element comprises a capacitor.
4. A method, comprising:
storing data by changing a voltage of a capacitor;
applying the voltage of the capacitor to a first gate of a first fin field-effect transistor;
controlling a current through the first fin field-effect transistor at least in part according to the voltage of the first gate; and
reading the stored data by measuring the current or a change in voltage produced by the current.
5. The method of claim 4 , comprising applying a read voltage to a second gate of the first fin field-effect transistor.
6. The method of claim 4 , wherein storing data comprises conducting a second current through a second fin field-effect transistor.
7. The method of claim 6 , wherein applying the voltage of the capacitor to the first gate of the fin field-effect transistor comprises propagating the voltage through a conductor that extends between the first fin field-effect transistor and the second fin field-effect transistor, under the second gate of the first fin field-effect transistor.
8. The circuit of claim 1 , wherein the gate of the third transistor is longitudinally elongated perpendicularly relative to longitudinal orientation of at least one of the gate of the first transistor and the gate of the second transistor.
9. The circuit of claim 8 , wherein the gates of the first and second transistors are longitudinally elongated parallel relative one another and the gate of the third transistor is longitudinally elongated perpendicularly relative to longitudinal orientations of each of the gates of the first and second transistors.
10. The circuit of claim 1 , wherein the first transistor comprises a pair of spaced gates.
11. The circuit of claim 10 , wherein the spaced gates are longitudinally elongated parallel relative one another.
12. The circuit of claim 1 , wherein the second transistor comprises a pair of spaced gates.
13. The circuit of claim 12 , wherein the spaced gates are longitudinally elongated parallel relative one another.
14. The circuit of claim 12 , wherein the first transistor comprises a pair of spaced gates.
15. The circuit of claim 14 , wherein the spaced gates of the first transistor and the spaced gates of the second transistor are all longitudinally elongated parallel relative one another.
16. The circuit of claim 15 , wherein the gate of the third transistor is longitudinally elongated perpendicularly relative to longitudinal orientations of the spaced gates of each of the first and second transistors.
17. The circuit of claim 15 , wherein the gates of the first and second transistors are electrically coupled to one another.
18. The circuit of claim 17 , wherein the gate of the third transistor is not electrically coupled to any of the gates of the first and second transistors.
19. The circuit of claim 18 , wherein the gates of the first and second transistors are electrically coupled to one another.
20. A circuit, comprising:
a plurality of data cells individually comprising:
a data element; and
a driver connected to the data element; the driver comprising first, second, and third transistors; a gate of the third transistor comprising a buried member having two risers projecting upwardly therefrom.
21. The circuit of claim 20 , wherein the two risers project vertically and perpendicularly from the buried member.
22. The circuit of claim 21 , wherein one of the two risers comprises a lip extending perpendicularly therefrom.
23. A circuit, comprising:
a plurality of data cells individually comprising:
a data element;
a driver connected to the data element, the driver comprising:
first, second, and third transistors; gates of the first and second transistors being electrically coupled to one another; no gate of the third transistor being electrically coupled to any gate of the first transistor nor being electrically coupled to any gate of the second transistor; one source/drain of the third transistor being electrically coupled to one source/drain of one of the first and second transistors; another source/drain of the third transistor being electrically coupled to one source/drain of the other of the first and second transistors; a gate of the third transistor being electrically coupled to the data element; and
a fourth transistor having one of its source/drains electrically coupled to the data element.
24. The circuit of claim 23 , wherein the driver has no more transistors than said first, second, and third transistors.
25. The circuit of claim 23 , wherein the data element comprises a memory element or an imaging element.
26. The circuit of claim 23 , wherein the data element comprises a capacitor.