Semiconductor memory device employing clamp for preventing...

Details Semiconductor memory device employing clamp for preventing... Semiconductor memory device employing clamp for preventing...

2004-12-23

2008-08-26

Le, Thong Q (Department: 2827)

Static information storage and retrieval

Read/write circuit

Precharge

C365S189090

Reexamination Certificate

active

07417909

ABSTRACT:
A semiconductor memory device employs a clamp for preventing latch up. For the purpose, the semiconductor memory device includes a precharging/equalizing unit for precharging and equalizing a pair of bit lines, and a control signal generating unit for producing a control signal which controls enable and disable of the precharging/equalizing unit, wherein the control signal generating unit includes a clamping unit to clamp its source voltage to a voltage level lower than that of its bulk bias.

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