Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1995-04-27
1996-06-25
Tran, Toan
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
327560, G01R 1900
Patent
active
055303846
ABSTRACT:
A reconfigurable sense amplifier in accordance with the present invention operates in either a high switching speed mode, where power consumption is a less critical consideration, or in a low power consumption mode, where switching speed is a less critical consideration. In a high speed mode, the present invention provides an additional pull-up to an amplified bitline which in combination with an existing weak pull-up still permits the signal on the amplified bitline to be affected by a change in voltage on the bitline. In a low power mode, the present invention provides a temporary pull-up on the amplified bitline if a signal on a wordline is transitioning from high to low (i.e. indicating that a low-to-high signal transition may occur on the bitline). In this manner, the present invention anticipates that when such a transition occurs, the voltage on the amplified bitline may also increase. Thus, the present invention accelerates the low-to-high signal transition on the amplified bitline in the low power mode. If the signal on the wordline is either a constant high or low, then the additional pull-up is disabled, thereby conserving power during the low power mode.
REFERENCES:
patent: 4930067 (1990-05-01), Nakamura
patent: 5128565 (1992-07-01), McClintock et al.
patent: 5394037 (1995-02-01), Josephson et al.
patent: 5410268 (1995-04-01), Sharpe-Geisler
Ku Wei-Yi
Lee Napoleon W.
Glenn Michael A.
Harms Jeanette S.
Tran Toan
Xilinx , Inc.
LandOfFree
Sense amplifier having selectable power and speed modes does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Sense amplifier having selectable power and speed modes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sense amplifier having selectable power and speed modes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2192150