Invention Grant
- Patent Title: Static random access memory (SRAM) device for improving electrical characteristics and logic device including the same
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Application No.: US15911148Application Date: 2018-03-04
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Publication No.: US10374099B2Publication Date: 2019-08-06
- Inventor: Dong-hun Lee , Dong-won Kim
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si, Gyeonggi-do
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-si, Gyeonggi-do
- Agency: Lee & Morse, P.C.
- Priority: KR10-2015-0171435 20151203
- Main IPC: H01L29/786
- IPC: H01L29/786 ; H01L27/11 ; H01L29/06 ; H01L29/423 ; G11C11/419 ; H01L27/146 ; H01L29/66 ; H01L29/78 ; H01L27/11578 ; H01L29/10

Abstract:
A static random access memory (SRAM) device includes a circuit element that includes a first inverter having a first load transistor and a first drive transistor and a second inverter having a second load transistor and a second drive transistor. Input and output nodes of the first inverter and the second inverter are cross-connected to each other. A first transfer transistor is connected to the output node of the first inverter, and a second transfer transistor is connected to the output nodes of the second inverter. Each of the first and second load transistors, the first and second drive transistors, and the first and second transfer transistors includes a transistor having multi-bridge channels. At least one of the first and second load transistors, the first and second drive transistors, and the first and second transfer transistors includes a transistor having a different number of multi-bridge channels from the other transistors.
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