Semiconductor device and cell plate voltage generating...

Details Semiconductor device and cell plate voltage generating... Semiconductor device and cell plate voltage generating...

2011-08-16

2011-08-16

Tran, Andrew Q (Department: 2824)

Static information storage and retrieval

Read/write circuit

Testing

C365S189090, C365S228000, C365S226000, C365S149000

Reexamination Certificate

active

08000160

ABSTRACT:
A semiconductor device includes a monitor voltage transfer unit and a voltage generating unit. The monitor voltage transfer unit selects one of a plurality of internal voltages including a cell plate voltage in accordance with a test mode to output it to a voltage monitor pad or outputs an external voltage supplied from the voltage monitor pad as a first pre cell plate voltage. The voltage generating unit generates the cell plate voltage using any one of the first pre cell plate voltage and a second pre cell plate voltage generated within itself in accordance with the test mode. The semiconductor device can generate a pre cell plate voltage at the desired level.

REFERENCES:
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patent: 7675331 (2010-03-01), Jung
patent: 7688647 (2010-03-01), Jung
patent: 7898317 (2011-03-01), Choi
patent: 1019930008886 (1993-09-01), None
patent: 1020040059461 (2004-07-01), None
patent: 1020050079537 (2005-08-01), None

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