Static information storage and retrieval – Read/write circuit – Differential sensing
Patent
1996-12-24
1998-12-15
Nelms, David
Static information storage and retrieval
Read/write circuit
Differential sensing
365205, 36518521, 365226, 327 51, G11C 702
Patent
active
058503650
ABSTRACT:
The present invention is a sense amplifier circuit for use with programmable logic devices that provides improved switching time by actively limiting the voltage swing on the bit line which it is sensing, rather than passively sensing the voltage, employs feedback circuits to further improve switching time and may be selectively operated in low power mode without significant reduction in switching speed. Voltage reference control circuitry, comprising variable current limiters controlled by the potential of a supply of reference potential, can be added to improve noise immunity. The circuitry of the supply of reference potential is designed so that its sensitivity to fabrication variations is substantially similar to that of the sense amplifier and so that it adjusts the reference potential accordingly.
REFERENCES:
patent: 4609986 (1986-09-01), Hartmann et al.
patent: 4617479 (1986-10-01), Hartmann et al.
patent: 4677318 (1987-06-01), Veenstra
patent: 4713792 (1987-12-01), Hartmann et al.
patent: 4774421 (1988-09-01), Hartmann et al.
patent: 4857768 (1989-08-01), Griffith et al.
patent: 4871930 (1989-10-01), Wong et al.
patent: 4899067 (1990-02-01), So et al.
patent: 4899070 (1990-02-01), Ou et al.
patent: 4912342 (1990-03-01), Wong et al.
patent: 5041746 (1991-08-01), Webster et al.
patent: 5121006 (1992-06-01), Pedersen
patent: 5128565 (1992-07-01), McClintock et al.
patent: 5162679 (1992-11-01), Shen et al.
patent: 5162680 (1992-11-01), Norman et al.
patent: 5220214 (1993-06-01), Pedersen
patent: 5260610 (1993-11-01), Pedersen
patent: 5260611 (1993-11-01), Cliff et al.
patent: 5350954 (1994-09-01), Patel
patent: 5371422 (1994-12-01), Patel et al.
patent: 5420823 (1995-05-01), Yonaga et al.
patent: 5457657 (1995-10-01), Suh
patent: 5638333 (1997-06-01), Lee
Costello John C.
Reese Dirk A.
Wong Myron W.
Altera Corporation
Cardwell Douglas A.
Hoang Huan
Ingerman Jeffrey H.
Nelms David
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