发明名称 |
Methods of reading and writing data in a thyristor random access memory |
摘要 |
A volatile memory array using vertical thyristors is disclosed together with methods of operating the array to read data from and write data to the array. |
申请公布号 |
US9564199(B2) |
申请公布日期 |
2017.02.07 |
申请号 |
US201514841521 |
申请日期 |
2015.08.31 |
申请人 |
Kilopass Technology, Inc. |
发明人 |
Luan Harry;Bateman Bruce L.;Axelrad Valery;Cheng Charlie |
分类号 |
G11C11/34;G11C11/39;H01L29/74;H01L27/102 |
主分类号 |
G11C11/34 |
代理机构 |
Aka Chan LLP |
代理人 |
Aka Chan LLP |
主权项 |
1. A method of operating a volatile memory array having anode lines, cathode lines, a first set of data storing thyristors having anodes coupled to anode lines and having cathodes coupled to a first cathode line, a first set of dummy vertical thyristors having anodes coupled to anode lines and having cathodes coupled to a second cathode line, the first cathode line being coupled to a first input terminal of a sense amplifier, the second cathode line being coupled to a second input terminal of the sense amplifier, the method to read a selected thyristor coupled to the first cathode line, comprising performing steps of:
pre-charging each of the first and second cathode lines to zero volts; applying a current source to the second terminal of the sense amplifier; determining whether (a) potential of the first cathode line rose above the second cathode line or (b) potential of the second cathode line rose above the first cathode line. |
地址 |
San Jose CA US |