High-speed static differential sense amplifier

Details High-speed static differential sense amplifier High-speed static differential sense amplifier

1988-08-10

1989-10-03

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including differential amplifier

307530, 330257, H03F 345, G11C 706

Patent

active

048719781

ABSTRACT:
The high-speed static differential sense amplifier of the present invention is composed of two stages. The first stage uses a source follower to feed a set of dual complimentary current mirrors. The current mirrors in the source of the input devices convert the voltage difference supplied by the source follower into a current. This current is mirrored into the second stage by opposing pull-down and pull-up current mirrors from the first stage. The second stage current difference produces the large voltage swings needed to drive the digital logic.

REFERENCES:
patent: 4653029 (1987-03-01), Sato

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