Sense amplifier circuits and high speed latch circuits using...

Details Sense amplifier circuits and high speed latch circuits using... Sense amplifier circuits and high speed latch circuits using...

2006-10-03

2006-10-03

Zarabian, Amir (Department: 2827)

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

C365S207000, C327S051000, C327S052000, C327S057000, C327S061000

Reexamination Certificate

active

07116594

ABSTRACT:
A sense amplifier circuit comprises (1) an isolation device comprising a control terminal and first and second terminals, the first terminal of the isolation device coupled to a signal line, (2) a gated diode comprising first and second terminals, the first terminal of the gated diode coupled to the second terminal of the isolation device, and the second terminal of the gated diode coupled to a set line; and (3) control circuitry coupled to the control terminal of the isolation device and adapted to control voltage on the control terminal of the isolation device in order to enable and disable the isolation device. A latch circuit further comprises a precharge device comprising a control terminal and first and second terminals, the first terminal of the precharge device coupled to a power supply voltage, and the second terminal of the precharge device coupled to the first terminal of the isolation device.

REFERENCES:
patent: 4613957 (1986-09-01), Iwahashi
patent: 4866307 (1989-09-01), Ashmore, Jr.
patent: 4999812 (1991-03-01), Amin
patent: 5734275 (1998-03-01), Ashmore, Jr.
patent: 5847583 (1998-12-01), Matsubara
patent: 6549042 (2003-04-01), Proebsting
patent: 6646946 (2003-11-01), Tomishima et al.
patent: 2004/0178829 (2004-09-01), Wang et al.

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