Sense amplifier with integrated latch and level shift

Details Sense amplifier with integrated latch and level shift Sense amplifier with integrated latch and level shift

1997-05-29

1999-05-11

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327 57, G11C7/06

Patent

active

059031719

ABSTRACT:
A sense amplifier having an ingegrated latch with level shift is disclosed, in which a pair of cross-connected inverters are connected between the outputs of the sense amplifier to provide a single stage amplifier. The sense amplifier performs level shift, sense amplifier and latching functions within a single circuit, thus reducing layout area and simplifying chip design while at the same time providing full swing complementary outputs. In addition, the sense amplifier is turned on for only a portion of the cycle to enable the data to be latched, with virtually no constant current comsumption in the circuit for holding the data, thereby reducing power consumption. Alternative embodiments are disclosed using conventional and tri-state latches.

REFERENCES:
patent: 4843264 (1989-06-01), Galbraith
patent: 5192878 (1993-03-01), Miyamoto
patent: 5502680 (1996-03-01), Du et al.
patent: 5506524 (1996-04-01), Lin
patent: 5508644 (1996-04-01), Branson et al.
patent: 5729159 (1998-03-01), Gersbach

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