US 12,080,374 B2
Semiconductor storage device
Masaki Fujiu, Yokohama Kanagawa (JP); and Hitoshi Shiga, Kawasaki Kanagawa (JP)
Assigned to Kioxia Corporation, Tokyo (JP)
Filed by KIOXIA CORPORATION, Tokyo (JP)
Filed on Aug. 30, 2022, as Appl. No. 17/898,888.
Claims priority of application No. 2022-026486 (JP), filed on Feb. 24, 2022.
Prior Publication US 2023/0267972 A1, Aug. 24, 2023
Int. Cl. G11C 7/06 (2006.01); G11C 7/12 (2006.01); G11C 7/22 (2006.01)
CPC G11C 7/065 (2013.01) [G11C 7/12 (2013.01); G11C 7/222 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A semiconductor storage device comprising:
a memory string;
a bit line connected to the memory string;
a sense amplifier connected to the bit line;
first, second, third, and fourth latch circuits that are each connected to the sense amplifier;
a first wiring connected to the sense amplifier, the first latch circuit, and the second latch circuit;
a second wiring connected to the third latch circuit;
a third wiring connected to the fourth latch circuit;
a first switch transistor between the first wiring and the third wiring;
a second switch transistor between the first wiring and the second wiring; and
a third switch transistor between the second wiring and the third wiring.