Regressive drive sense amplifier

Details Regressive drive sense amplifier Regressive drive sense amplifier

1997-01-28

1998-01-13

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Differential sensing

365206, 365205, 327 55, 327 51, 327 52, G11G 702

Patent

active

057086176

ABSTRACT:
A pull-down circuit in a sense amplifier, such a sense amplifier in a memory integrated circuit, includes a pull-down transistor having a drain coupled to a common node, a gate, and a source coupled to ground. An inverter provides a gate control signal to the gate of the pull-down transistor. A choke transistor has a drain coupled to a power terminal of the inverter, a gate, and source coupled to the power supply voltage. A regressive drive bias circuit is coupled to the gate of the choke transistor and provides a relatively low voltage to the gate of the choke transistor at relatively low power supply voltages resulting in a relatively large gate-to-source voltage on the choke transistor and provides a relatively high voltage to the gate of the choke transistor at relatively high power supply voltages resulting in a relatively small gate-to-source voltage on the choke transistor.

REFERENCES:
patent: 5007024 (1991-04-01), Tanaka et al.
patent: 5042011 (1991-08-01), Casper et al.
patent: 5220221 (1993-06-01), Casper
patent: 5477498 (1995-12-01), Ooishi
patent: 5627484 (1997-05-01), Tuminaro et al.
patent: 5638333 (1997-06-01), Lee

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