Write enabling circuitry for a semiconductor memory

Details Write enabling circuitry for a semiconductor memory Write enabling circuitry for a semiconductor memory

1997-12-16

1999-10-05

Le, Vu A.

Static information storage and retrieval

Read/write circuit

Signals

36523006, 365233, G11C 700

Patent

active

059634871

ABSTRACT:
A write control circuit for a semiconductor memory device includes a conventional write path responsive to a control input (e.g., an external write enable signal) to control the beginning of a write operation for a write driver, whilst a separate dedicated write disable path, responsive to the same control input, controls the end of the write operation for the write driver. The invention separates the end of write from the beginning of write by introducing a fast dedicated path designed primarily for ending the write. This dedicated path contains dedicated logic to generate an end of write signal at the disabling edge of the control input to disable the write driver quickly before a new memory cell is selected.

REFERENCES:
patent: 5724287 (1998-03-01), Takenaka
patent: 5815463 (1998-09-01), Shih
patent: 5818767 (1998-10-01), Kim et al.

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