Semiconductor memory device
First Claim
1. A semiconductor memory device comprising:
- a memory structural body including first and second planes each of which includes memory cells coupled to a plurality of word lines extending in a first direction and a plurality of bit lines extending in a second direction and which are disposed along the first direction; and
a logic structural body disposed between a substrate and the memory structural body, and including a row decoder,wherein the row decoder includes a pass transistor circuit which is coupled in common to the first and second planes and a block switch circuit which controls the pass transistor circuit,wherein the block switch circuit is disposed in first and second plane regions of the logic structural body which overlap with the first and second planes in a third direction perpendicular to the first and second directions, andwherein the pass transistor circuit is disposed in an interval region between the first plane region and the second plane region,wherein the pass transistor circuit includes a plurality of pass transistors, each of the pass transistors is coupled in common to the word line of the first plane and the word line of the second plane, and provides an operating voltage simultaneously to the word line of the first plane and the word line of the second plane.
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Accused Products
Abstract
A semiconductor memory device includes a memory structural body including first and second planes each of which includes memory cells coupled to word lines extending in a first direction and bit lines extending in a second direction and which are disposed along the first direction; and a logic structural body disposed between a substrate and the memory structural body, and including a row decoder. The row decoder includes a pass transistor circuit which is coupled in common to the first and second planes and a block switch circuit which controls the pass transistor circuit. The block switch circuit is disposed in first and second plane regions of the logic structural body which overlap with the first and second planes in a third direction perpendicular to the first and second directions, and the pass transistor circuit is disposed in an interval region between the first and second plane regions.
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Citations
19 Claims
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1. A semiconductor memory device comprising:
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a memory structural body including first and second planes each of which includes memory cells coupled to a plurality of word lines extending in a first direction and a plurality of bit lines extending in a second direction and which are disposed along the first direction; and a logic structural body disposed between a substrate and the memory structural body, and including a row decoder, wherein the row decoder includes a pass transistor circuit which is coupled in common to the first and second planes and a block switch circuit which controls the pass transistor circuit, wherein the block switch circuit is disposed in first and second plane regions of the logic structural body which overlap with the first and second planes in a third direction perpendicular to the first and second directions, and wherein the pass transistor circuit is disposed in an interval region between the first plane region and the second plane region, wherein the pass transistor circuit includes a plurality of pass transistors, each of the pass transistors is coupled in common to the word line of the first plane and the word line of the second plane, and provides an operating voltage simultaneously to the word line of the first plane and the word line of the second plane. - View Dependent Claims (2, 3)
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4. A semiconductor memory device comprising:
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a memory structural body including first and second planes each of which includes memory cells coupled to a plurality of word lines extending in a first direction and a plurality of bit lines extending in a second direction and which are disposed along the first direction; and a logic structural body disposed between a substrate and the memory structural body, and including a row decoder, wherein the row decoder includes a pass transistor circuit which is coupled in common to the first and second planes and a block switch circuit which controls the pass transistor circuit, wherein the block switch circuit is disposed in first and second plane regions of the logic structural body which overlap with the first and second planes in a third direction perpendicular to the first and second directions, and wherein the pass transistor circuit is disposed in an interval region between the first plane region and the second plane region, wherein the logic structural body further includes; a first page buffer circuit disposed in the first plane region, and electrically coupled to the bit lines of the first plane; and a second page buffer circuit disposed in the second plane region, and electrically coupled to the bit lines of the second pane, wherein the first plane region includes a first region and a second region which are divided by a first virtual line extending in the first direction, and the second plane region includes a third region and a fourth region which are divided by the first virtual line, wherein the first and second page buffer circuits are disposed in the first and third regions, respectively, and wherein the block switch circuit includes first and second sub block switch circuits which are disposed in the second and fourth regions, respectively. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A semiconductor memory device comprising:
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a memory structural body including first and second planes each of which includes a plurality of memory cells and which are disposed along a first direction; and a logic structural body disposed between a substrate and the memory structural body, and including a row decoder which simultaneously controls the first and second planes and first and second page buffer circuits which control the first and second planes, respectively, wherein the row decoder includes a pass transistor circuit and a block switch circuit which controls the pass transistor circuit, wherein the first and second page buffer circuits overlap with the first and second planes, respectively, and are disposed to have shapes which extend in the first direction, wherein the block switch circuit includes first and second sub block switch circuits which overlap with the first and second planes, respectively, and are disposed to have shapes which extend in a second direction, and wherein the pass transistor circuit is disposed in a region between the first plane and the second plane, and includes a plurality of pass transistors which are coupled in common to the first and second planes, wherein the pass transistor circuit includes a plurality of pass transistors, each of the pass transistors is coupled in common to the word line of the first plane and the word line of the second plane, and provides an operating voltage simultaneously to the word line of the first plane and the word line of the second plane. - View Dependent Claims (16, 17, 18)
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19. A semiconductor memory device comprising:
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a memory structural body including first and second planes disposed along a first direction, each having memory cells coupled to word lines extending in the first direction and bit lines extending in a second direction; and a logic structural body including a row decoder, wherein the row decoder has; a pass transistor circuit coupled to the first and second planes, and disposed in an interval region between first and second plane regions overlapping with the first and second planes in a third direction; and a block switch circuit configured to control the pass transistor circuit, and disposed in the first and second plane regions, wherein the pass transistor circuit includes a plurality of pass transistors, each of the pass transistors is coupled in common to the word line of the first plane and the word line of the second plane, and provides an operating voltage simultaneously to the word line of the first plane and the word line of the second plane.
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Specification