Current-mode sense amplifier

Details Current-mode sense amplifier Current-mode sense amplifier

1997-09-02

1999-07-27

Cunningham, Terry D.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 85, 327538, G01R 1900

Patent

active

059296585

ABSTRACT:
A current-mode sense amplifier includes a current mirror circuit having an input branch controlled by a current input signal to be sensed and an output branch connected to a capacitor. The output branch and gates of current mirror transistors are connected to transistors for precharge operation. The sense amplifier needs no reference current, provides a low component count and is noise resistant.

REFERENCES:
patent: 5056063 (1991-10-01), Santin et al.
patent: 5111069 (1992-05-01), Deierling
patent: 5138201 (1992-08-01), Ohbayashi et al.
patent: 5206552 (1993-04-01), Iwashita
patent: 5258669 (1993-11-01), Nakashima
patent: 5341333 (1994-08-01), Tien et al.
patent: 5343086 (1994-08-01), Fung et al.
patent: 5512852 (1996-04-01), Kowalski
patent: 5726592 (1998-03-01), Schulte et al.
"A High Speed Clamped Bit-Line Current-Mode Sense Amplifier" (Blalock et al.), 8107 IEEE Journal of Solid-State Circuits, No. 4, Apr. 1991, pp. 542-548;.
"Current Mode Techniques for High-Speed VLSI Circuits with Application to Current Sense-Amplifier for CMOS SRAMs" (Seevinck et al.), 8107 IEEE Journal of Solid-State Circuits, No. 4, Apr. 1991, pp. 525-535;.

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