Static information storage and retrieval – Read/write circuit – Including level shift or pull-up circuit
Patent
1998-12-30
2000-06-27
Le, Vu A.
Static information storage and retrieval
Read/write circuit
Including level shift or pull-up circuit
365201, 3652335, G11C 700
Patent
active
060814608
ABSTRACT:
Integrated circuit devices include preferred mode selection circuits therein which generate a signal that designates a first mode of the integrated circuit device when a potential of a first control signal is within a first range and a potential of a power supply signal (e.g., Vcc) is within a second range at the same time. The mode selection circuit also prevents changes in the potential of the first control signal from disabling the first mode when the potential of the power supply signal is not within the second range. When the integrated circuit device is a memory device, the first control signal may be a row or column address signal (Ai), for example. The mode selection circuit may comprise a level shifter which generates a downward level shifted version of the address signal. The mode selection circuit generates a signal that designates a first mode of the memory device when a potential of the address signal exceeds a first threshold (e.g., 5 volts) and a potential of the power supply signal (Vcc) is below a second threshold at the same time. The mode selection circuit also prevents changes in the potential of the address signal (Ai) from disabling the first mode so long as a potential of the power supply signal (Vcc) exceeds the second threshold.
REFERENCES:
patent: 5646902 (1997-07-01), Park
patent: 5708604 (1998-01-01), Fontana et al.
Kang Sang-Suk
Lim Jong-hyoung
Le Vu A.
Samsung Electronics Co,. Ltd.
LandOfFree
Integrated circuit devices having voltage level responsive mode- does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Integrated circuit devices having voltage level responsive mode-, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Integrated circuit devices having voltage level responsive mode- will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1789747