US 12,451,186 B2
Multi-step programming schemes for programming crossbar circuits
Gong Lei, Sunnyvale, CA (US)
Assigned to TetraMem Inc., San Jose, CA (US)
Filed by TetraMem Inc., Fremont, CA (US)
Filed on Oct. 3, 2023, as Appl. No. 18/479,953.
Prior Publication US 2025/0111877 A1, Apr. 3, 2025
Int. Cl. G11C 13/00 (2006.01)
CPC G11C 13/0069 (2013.01) [G11C 13/0026 (2013.01); G11C 13/0028 (2013.01); G11C 13/003 (2013.01); G11C 2213/79 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for programming a crossbar circuit, the method comprising:
initializing a word line voltage applied to a word line and a bit line voltage applied to a bit line, wherein a cross-point device of the crossbar circuit is connected to the word line and the bit line, and wherein the cross-point device comprises a resistive random-access memory (RRAM) device;
applying a first voltage to the word line without changing the bit line voltage applied to the bit line;
applying a second voltage to the bit line without changing the word line voltage applied to the word line; and
in view of a determination that a target word line voltage is not applied to the cross-point device, applying a first incremental voltage to the word line.