High-speed static differential sense amplifier

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

1988-08-31

1989-10-03

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307279, 307497, 365208, G01R 1900, G06G 712, H03K 524

Patent

active

048719331

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: 4618785 (1986-10-01), van Tran
patent: 4653029 (1987-03-01), Sato
patent: 4791324 (1988-12-01), Hodapp

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