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US 2012/0256683 A1Published application
Semiconductor integrated circuit
AssigneeSony Corporation
InventorHiromi Ogata
Life of this patent
Estimating the term…
Abstract
A semiconductor integrated circuit including: a circuit block having an internal voltage line; an annular rail line forming a closed annular line around the circuit block and supplied with one of a power supply voltage and a reference voltage; and a plurality of switch blocks arranged around the circuit block along the annular rail line, the plurality of switch blocks each including a voltage line segment forming a part of the annular rail line and a switch for controlling connection and disconnection between the voltage line segment and the internal voltage line.
Claims17
(canceled)
A semiconductor integrated circuit comprising:
- a power shutoff object circuit block (1) between a pair of first annular rail lines (3), said power shutoff object circuit block (1) being between a pair of second annular rail lines (3),
- wherein each of the first annular rail lines (3) extends in a first direction and is electrically connected to said pair of second annular rail lines (3), each of the second annular rail lines (3) extending in a second direction and being electrically connected to said pair of first annular rail lines (3).
Dependencies are inferred from the claim text.