1. A method for implementing smart switched decoupling capacitors comprising:
providing a switched decoupling capacitor circuit integrated within a logic macro including a high-current event gating control signal activating a logic function, and a pair of capacitors, and a plurality of switches coupled to said capacitors; and
said switched decoupling capacitor circuit, using said high-current event gating control signal to control capacitor switching to discharge to a voltage supply rail responsive to activating the logic function, and to charge from the voltage supply rail.
2. The method as recited in claim 1 includes applying said gating control signal to operatively control the plurality of switches to connect said capacitors in series to discharge to a voltage supply rail responsive to activating the logic function.
3. The method as recited in claim 1 includes applying said gating control signal to operatively control the plurality of switches to connect said capacitors in parallel to charge said capacitors.
4. The method as recited in claim 1 includes providing a resistor for limiting charging current to said capacitors.
5. The method as recited in claim 1 wherein using said high-current event control signal to control capacitor switching includes providing a pulse generator, applying said high-current event control signal to said pulse generator, and applying an output of said pulse generator to said switched decoupling capacitor circuit.
6. The method as recited in claim 1 wherein said logic macro is a Static Random Access Memory (SRAM) macro, and wherein using said high-current event control signal to control capacitor switching includes applying a bitline precharge control signal to said switched decoupling capacitor circuit to control capacitor switching.
7. The method as recited in claim 6 includes applying a wake-up control signal to said switched decoupling capacitor circuit to control capacitor switching.
8. A circuit for implementing smart switched decoupling capacitors comprising:
a logic macro,
a high-current event gating control signal activating a logic function within said logic macro;
a switched decoupling capacitor circuit integrated within a logic macro; said switched decoupling capacitor circuit including a pair of capacitors, and a plurality of switches coupled to said capacitors; and
said switched decoupling capacitor circuit, using said high-current event gating control signal to control capacitor switching to discharge to a voltage supply rail responsive to activating the logic function, and to charge from the voltage supply rail.
9. The circuit as recited in claim 8 includes said gating control signal being coupled to said plurality of switches to operatively control capacitor switching.
10. The circuit as recited in claim 8 includes a pulse generator, said high-current event control signal being coupled to said pulse generator, and an output of said pulse generator being coupled to said switched decoupling capacitor circuit.
11. The circuit as recited in claim 8 wherein using said high-current event control signal to control capacitor switching includes a bitline precharge control signal being coupled to said switched decoupling capacitor circuit to control capacitor switching.
12. The circuit as recited in claim 8 includes a resistor for limiting charging current from the voltage supply rail to said capacitors.
13. A design structure embodied in a machine readable medium used in a design process, the design structure comprising:
a circuit tangibly embodied in the machine readable medium used in the design process, said circuit for implementing smart switched decoupling capacitors, said circuit comprising:
a logic macro,
a high-current event gating control signal activating a logic function within said logic macro;
a switched decoupling capacitor circuit integrated within a logic macro; said switched decoupling capacitor circuit including a pair of capacitors, and a plurality of switches coupled to said capacitors; and said gating control signal being coupled to said plurality of switches to operatively control capacitor switching and
said switched decoupling capacitor circuit, using said high-current event gating control signal to control capacitor switching to discharge to a voltage supply rail responsive to activating the logic function, and to charge from the voltage supply rail, wherein the design structure, when read and used in the manufacture of a semiconductor chip produces a chip comprising said circuit.
14. The design structure of claim 13, wherein the design structure comprises a netlist, which describes said circuit.
15. The design structure of claim 13, wherein the design structure resides on storage medium as a data format used for the exchange of layout data of integrated circuits.
16. The design structure of claim 13, wherein the design structure includes at least one of test data files, characterization data, verification data, or design specifications.
17. The design structure of claim 13, includes a pulse generator, said high-current event control signal being coupled to said pulse generator, and an output of said pulse generator being coupled to said switched decoupling capacitor circuit.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A brake lever conjunctive switch device comprising:
a switch box;
a brake lever pivotally attached to said switch box;
a first switch and a second switch mounted in said switch box, said switches being disposed in parallel along a pivot axis of said brake lever;
a first contact member provided on said brake lever for operating said first switch when said brake lever is turned by a predetermined angle; and
a second contact member provided on the axis of turning of said brake lever for operating the second switch, said second contact member being oscillated by said brake lever when said brake lever is turned by not less than said predetermined angle.
2. The brake lever conjunctive switch device as set forth in claim 1, wherein said second contact member is provided with a contact piece opposed to said first contact member with a predetermined interval therebetween along the direction of oscillation thereof, and said first contact member is brought into contact with said contact piece, whereby said second contact piece is oscillated when said brake lever is turned by not less than said predetermined angle.
3. The brake lever conjunctive switch device as set forth in claim 1, wherein said first switch is a stop lamp switch, and said second switch is an inhibitor switch.
4. The brake lever conjunctive switch device as set forth in claim 1, wherein said second contact member has a U-shaped cross section including a first end portion and a second end portion spaced apart from one another.
5. The brake lever conjunctive switch device as set forth in claim 4, wherein said first contact member is arranged between said first end portion and said second end portion of said second contact member.
6. The brake lever conjunctive switch device as set forth in claim 4, wherein said first contact member includes a cutaway portion, and said first end portion of said second contact member passes through said cutaway portion.
7. The brake lever conjunctive switch device as set forth in claim 1, wherein said first contact member extends substantially orthogonally from said brake lever.
8. The brake lever conjunctive switch device as set forth in claim 1, further comprising a pivot shaft for pivotally mounting said brake lever to said switch box.
9. The brake lever conjunctive switch device as set forth in claim 8, where in said first contact member extends from said brake lever in a direction substantially parallel to said pivot shaft.
10. A brake lever switch device comprising:
a housing;
a brake lever pivotally attached to said housing by a pivot shaft;
a first switch attached to said housing;
a first contact member provided on said brake lever for operating said first switch when said brake lever is pivoted by a predetermined angle;
a second switch attached to said housing; and
a second contact member provided on said shaft for operating the second switch, said second contact member being oscillated by said brake lever when said brake lever is pivoted by more than said predetermined angle.
11. The brake lever switch device as set forth in claim 10, wherein said first switch and said second switch are mounted in said housing one beside another parallel to a pivot axis of said brake lever.
12. The brake lever switch device as set forth in claim 10, wherein said second contact member has a U-shaped cross section including a first end portion and a second end portion spaced apart from one another.
13. The brake lever switch device as set forth in claim 12, wherein said first contact member is arranged between said first end portion and said second end portion of said second contact member.
14. The brake lever switch device as set forth in claim 12, wherein said first contact member includes a cutaway portion, and said first end portion of said second contact member passes through said cutaway portion.
15. The brake lever switch device as set forth in claim 10, wherein said first contact member extends substantially orthogonally from said brake lever.
16. The brake lever switch device as set forth in claim 10, wherein said first contact member extends from said brake lever in a direction substantially parallel to said pivot shaft.
17. The brake lever switch device as set forth in claim 10, wherein said first switch is a stop lamp switch for actuating a stop lamp.
18. A brake lever switch device comprising:
a housing;
a brake lever pivotally attached to said housing by a pivot shaft;
a first switch attached to said housing;
a first contact member provided on said brake lever for operating said first switch when said brake lever is pivoted by a predetermined angle;
a second switch attached to said housing; and
a second contact member provided on said pivot shaft for operating the second switch, said second contact member being oscillated by said brake lever when said brake lever is pivoted by more than said predetermined angle, said second contact member having a U-shaped cross section including a first end portion and a second end portion spaced apart from one another, said first contact member being arranged between said first end portion and said second end portion of said second contact member.
19. The brake lever switch device as set forth in claim 18, wherein said first contact member includes a cutaway portion, said first end portion of said second contact member passing through said cutaway portion.
20. The brake lever switch device as set forth in claim 18, wherein said first contact member extends from said brake lever in a direction substantially parallel to said pivot shaft, and said first switch and said second switch are mounted in said housing one beside another parallel to said first contact member.