Semiconductor circuit device with internal power supply circuit

Details Semiconductor circuit device with internal power supply circuit Semiconductor circuit device with internal power supply circuit

1997-05-14

1999-09-21

Yoo, Do Hyun

Static information storage and retrieval

Read/write circuit

Testing

36518909, 365193, 365195, 3652257, 365226, G11C 700

Patent

active

059562781

ABSTRACT:
In a DRAM (Dynamic Random Access Memory) having a voltage down converter, a driver transistor in the voltage down converter is connected parallel to another driver transistor, thus the driver transistor is selectively inactivated in response to a test mode signal TE which is activated by detection of WCBR and an address key. Therefore, an optimal gate width of driver transistors can be easily evaluated when the voltage down converter oscillates.

REFERENCES:
patent: 5249155 (1993-09-01), Arimoto et al.
patent: 5612920 (1997-03-01), Tomishima
patent: 5644250 (1997-07-01), Ooishi

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