Sense amplifier with isolation to bit lines during sensing

Details Sense amplifier with isolation to bit lines during sensing Sense amplifier with isolation to bit lines during sensing

1993-01-05

1996-02-13

Nelms, David C.

Static information storage and retrieval

Read/write circuit

Flip-flop used for sensing

36518905, 327 51, G11C 700

Patent

active

054916674

ABSTRACT:
A sense amplifier for sensing data from a pair of complementary bit lines. A bistable circuit is coupled to the bit lines through a pair of transistors. During the beginning of a sensing cycle, the transistors conduct allowing the bistable circuit to begin sensing the data on the lines. However, before the sense amplifier reaches one of its two stable states, the pair transistors cease conducting and isolate the bistable circuit from the bit lines. In this manner, the load associated with the bit lines is removed from the bistable circuit allowing it to more quickly sense data.

REFERENCES:
patent: 4223394 (1980-09-01), Pathak et al.
patent: 4804871 (1989-02-01), Walters, Jr.
patent: 4823314 (1989-04-01), Sharp
patent: 4905189 (1990-02-01), Brunolli
patent: 5029136 (1991-07-01), Tran et al.
patent: 5228106 (1993-07-01), Ang et al.

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