Auxiliary word line driver for effectively controlling programma

Details Auxiliary word line driver for effectively controlling programma Auxiliary word line driver for effectively controlling programma

1985-10-22

1988-03-29

Hecker, Stuart N.

Static information storage and retrieval

Read only systems

365 96, 365104, 365105, G11C 1700, G11C 1706

Patent

active

047348860

ABSTRACT:
The problem of the distributed voltage drop along a resistive word line through which fusible elements of a circuit array are selectively programmed to a state of high resistance (effective open circuit) is circumvented by incorporated an auxiliary word line driver as part of the array. The auxiliary word line driver is coupled to the word line at a location apart from the main word line driver, so as to reduce the effective resistance and consequential voltage drop along the word line. As a result, for each memory cell along a respective word line there is sufficient "rupturing current" capability, whereby each fusible element of the memory array may be successfully programmed regardless of its physical location within the array.

REFERENCES:
patent: 4101974 (1978-07-01), Immer et al.
patent: 4130889 (1978-12-01), Chua
patent: 4287569 (1981-09-01), Fukushima

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