发明申请
US20070177419A1 ASYMMETRIC FOUR-TRANSISTOR SRAM CELL 失效
不对称四极晶体管SRAM单元

ASYMMETRIC FOUR-TRANSISTOR SRAM CELL
摘要:
An asymmetric Static Random Access Memory (SRAM) cell is provided. The SRAM cell comprises first and second storage nodes, drive transistors and access transistors. The first and second storage nodes are configured to store complementary voltages. The drive transistors are configured to selectively couple each of the first and second storage nodes to corresponding high and low voltage power supplies, and maintain a first logic state through a feedback loop. The access transistors are configured to selectively couple each of the first and second storage nodes to corresponding first and second bit-lines and maintain a second logic state through relative transistor leakage currents. A method for reading from and writing to the SRAM cell are also provided.
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