Data transition detect write control

Details Data transition detect write control Data transition detect write control

1996-11-26

1998-05-12

Nguyen, Viet Q.

Static information storage and retrieval

Read/write circuit

Signals

3652335, 365233, 36518905, 365194, 365191, G11C 11407, B01F 700

Patent

active

057516448

ABSTRACT:
The present invention concerns data transition method and apparatus for driving a set of write data signals to an inactive (or deasserted) state upon completion of a WRITE to a particular group of memory cells. The present invention drives the write data signals to a an inactive state to end a WRITE without waiting for the end of the write control pulse. The present invention triggers a group of data write buffers to drive one of the write data signals to a "0" at the beginning of the WRITE control pulse or at a data input transition during a WRITE. A delayed transition of the write data signals may be used to drive both the write data signals data transition detection is accomplished at the write data inputs of the groups of memory cells without relying on global chip data input pin transition detection and pulse width setting. The data setup to the end of WRITE is generally not compromised since the path from chip data input to the input to the write data signals is generally similar to existing implementations.

REFERENCES:
patent: 5305268 (1994-04-01), McClure
patent: 5384745 (1995-01-01), Konishi et al.
patent: 5404327 (1995-04-01), Houston
patent: 5631871 (1997-05-01), Park et al.

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