US 12,112,787 B2
Apparatuses and methods for access based targeted refresh operations
Yuan He, Boise, ID (US); and Takamasa Suzuki, Tokyo (JP)
Assigned to Micron Technology, Inc., Boise, ID (US)
Filed by MICRON TECHNOLOGY, INC., Boise, ID (US)
Filed on Apr. 28, 2022, as Appl. No. 17/731,645.
Prior Publication US 2023/0352076 A1, Nov. 2, 2023
Int. Cl. G11C 11/406 (2006.01); G11C 11/408 (2006.01)
CPC G11C 11/40622 (2013.01) [G11C 11/40615 (2013.01); G11C 11/4085 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A method comprising:
detecting an aggressor address in a first sub-bank of a memory bank;
accessing a word line in a second sub-bank of the memory bank; and
performing a targeted refresh operation on the first sub-bank based on the detected aggressor address responsive to accessing the word line in the second sub-bank.