US 12,419,026 B2
Memory structure
Jhon-Jhy Liaw, Zhudong Township, Hsinchu County (TW)
Assigned to Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu (TW)
Filed by Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu (TW)
Filed on Jun. 29, 2022, as Appl. No. 17/853,024.
Prior Publication US 2024/0008241 A1, Jan. 4, 2024
Int. Cl. H10B 10/00 (2023.01); H10D 30/43 (2025.01); H10D 30/67 (2025.01); H10D 62/10 (2025.01)
CPC H10B 10/125 (2023.02) [H10D 30/43 (2025.01); H10D 30/6729 (2025.01); H10D 30/6735 (2025.01); H10D 30/6757 (2025.01); H10D 62/121 (2025.01)] 20 Claims
OG exemplary drawing
 
1. A memory structure, comprising:
a static random-access memory (SRAM) cell having a first pass-gate transistor and a second pass-gate transistor;
a word-line conductor extending in a first direction, wherein the word-line conductor is over and electrically connected to gate electrodes of the first pass-gate transistor and the second pass-gate transistor;
a first source/drain contact under and electrically connected to a source/drain feature of the first pass-gate transistor;
a second source/drain contact under and electrically connected to a source/drain feature of the second pass-gate transistor;
a bit-line conductor extending in a second direction perpendicular to the first direction, wherein the bit-line conductor is under and electrically connected to the first source/drain contact;
a bit-line-bar conductor extending in the second direction, wherein the bit-line-bar conductor is under and electrically connected to the second source/drain contact;
a first word-line landing pad extending in the second direction and over the first pass-gate transistor; and
a second word-line landing pad extending in the second direction and over the second pass-gate transistor,
wherein the word-line conductor is electrically connected to the gate electrodes of the first pass-gate transistor and the second pass-gate transistor respectively through the first word-line landing pad and the second word-line landing pad.