Patent ID: 11875854
Assignee: MACRONIX INTERNATIONAL CO., LTD.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 13:
14. A stacked memory device, comprising:
a word line driver, comprising:
a plurality of first word line signal generators configured to respectively drive a plurality of first word lines, and selecting one of a first voltage and a second voltage to generate a plurality of first word line signals according to a plurality of first control signals;
a plurality of second word line signal generators configured to respectively drive a plurality of second word lines, and selecting one of a third voltage and a fourth voltage to generate a plurality of second word line signals according to a plurality of second control signals;
a first voltage generator coupled to the first word line signal generators to provide the second voltage; and
a second voltage generator coupled to the first word line signal generators to provide the fourth voltage, wherein the first voltage generator is independent to the second voltage generator; and

a first memory cell array coupled to the first word lines; and
a second memory cell array coupled to the second word lines.