Sense amplifier latch voltage waveform generator circuit

Details Sense amplifier latch voltage waveform generator circuit Sense amplifier latch voltage waveform generator circuit

1982-11-15

1985-07-16

Anagnos, Larry N.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307263, 307268, 307578, 307530, H03K 513, H03K 512

Patent

active

045298890

ABSTRACT:
A sense amplifier latch voltage waveform generator circuit provides an output voltage waveform which first increases to a first potential level, which is just below the threshold voltage of a field effect transistor, and subsequently increases with an ever-increasing slope over a useful voltage range. The generated voltage waveform is applied to the gate terminal of a latch field effect transistor, which is part of a sense amplifier circuit that includes a cross-coupled pair of field effect transistors whose sources are coupled to the drain of the latch transistor and whose drain terminals receive differential memory signals. The generator circuit consists essentially of an input gating transistor, an output stage having serially connected pull-up and pull-down transistors, and another similar feedback stage which includes a bootstrap capacitor. The bootstrap capacitor is coupled to the output stage.

REFERENCES:
patent: 3898479 (1975-08-01), Proebsting
patent: 3937983 (1976-02-01), Reed
patent: 4087704 (1978-05-01), Mehta et al.
patent: 4388538 (1983-06-01), Ikeda
Lee et al., "Bit-Line Latch Gating Circuit for Field-Effect Transistor Memory", IBM Tech. Discl. Bull., vol. 17, No. 5, pp. 1370-1371, 10/74.

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