Patent №
US 7,671,422
Granted
2010-03-02
Filed 2007
Owner
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
Lab
—
AI components
1
hardware
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
11865950
A pseudo 6T SRAM cell design comprising eight transistors is provided. An embodiment comprises a pair of cross-coupled inverters and a pair of pass-gate transistors electrically coupled to each inverter through the substrate. Each pass-gate transistor has a different beta ratio from the other transistor in its pair, and the smaller beta ratio in the pair acts as a “read” port while the larger beta ratio in the pair acts as a “write” port. Two pairs of bit lines are connected to the pass-gate transistors. A variety of word lines are connected to the pass-gate transistors. In one embodiment, a single word line is connected to all of the pass-gate transistors. In another embodiment, a pair of word lines is connected to the pass-gate transistors. In yet another embodiment, a different word line is connected to each pass-gate transistor.
AI classification
Ownership
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
assignment · 199080253
Assignors
WANG, PING-WEI
On an employer assignment, the assignors are typically the inventors.