Dual port static memory cell and semiconductor memory device...

Details Dual port static memory cell and semiconductor memory device... Dual port static memory cell and semiconductor memory device...

2005-03-01

2005-03-01

Lam, David (Department: 2818)

Static information storage and retrieval

Addressing

Multiple port access

C365S189050, C365S203000

Reexamination Certificate

active

06862245

ABSTRACT:
The present invention includes a dual port static memory cell and a semiconductor memory device having the same, the dual port static memory cell comprising a first transmission gate having a gate connected to a word line and connected between a bit line and a first node, a second transmission gate having a gate connected to the word line and connected between a complementary bit line and a second node, a latch connected between the first node and the second node, and a PMOS transistor having a gate connected to a scan control line and connected between the second node and a scan bit line.

REFERENCES:
patent: 5754468 (1998-05-01), Hobson
patent: 6005795 (1999-12-01), Hawkins et al.
patent: 6288969 (2001-09-01), Gibbins et al.
patent: 6341083 (2002-01-01), Wong
patent: 20020174298 (2002-11-01), Hsu et al.
patent: 0 365 733 (1990-05-01), None
patent: 60-236187 (1985-11-01), None
patent: 07-153277 (1995-06-01), None

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