Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude
Patent
1995-02-15
1997-04-08
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific signal discriminating without subsequent control
By amplitude
327 55, 327309, H03K 19094, G11C 706
Patent
active
056191499
ABSTRACT:
A single-ended sense amplifier circuit for sensing the state of a bitline in a memory array. The sense amplifier includes an output circuit having an input and an output, the output for indicating a state of the bitline in response to a bitline voltage level. A precharge circuit is coupled to the input for charging the input to a first voltage level when the input is decoupled from the bitline. A discharge circuit is coupled between the bitline and the input. In one embodiment, the discharge circuit includes a field effect transistor coupled as a cascode device for coupling and decoupling the input to the bitline. The discharge circuit couples the input to the bitline when the discharge voltage level exceeds a threshold voltage level of the discharge circuit. The sense amplifier circuit also includes a noise margin circuit coupled to the bitline for charging the bitline to a voltage level that is less than the first voltage level such that the discharge voltage level is less than the threshold voltage level by a predetermined noise margin voltage.
REFERENCES:
patent: 4535259 (1985-08-01), Smarandoiu et al.
patent: 4598389 (1986-07-01), Duvvury et al.
patent: 4804865 (1989-02-01), Clark, II
patent: 4924442 (1990-05-01), Chen et al.
patent: 4972102 (1990-11-01), Reis et al.
patent: 4982363 (1991-01-01), Sood
patent: 5056063 (1991-10-01), Santin et al.
patent: 5243571 (1993-09-01), Brossard
patent: 5268600 (1993-12-01), Yeu
patent: 5272674 (1993-12-01), Pathak et al.
patent: 5357156 (1994-10-01), Herrington
Allen Michael
Lev Lavi A.
Callahan Timothy P.
Lam T.
Sun Microsystems Inc.
LandOfFree
Single ended dynamic sense amplifier does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Single ended dynamic sense amplifier, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Single ended dynamic sense amplifier will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2399787