Thin film transistor redundancy structure

Details Thin film transistor redundancy structure Thin film transistor redundancy structure

1998-10-21

2000-10-10

Nguyen, Viet Q.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

Thin film

327518, 327520, 327526, 3652257, 365200, G11C 1716

Patent

active

061305766

ABSTRACT:
In a microcircuit device such as a memory chip, where a bank of state devices such as fuses and anti-fuses determines the enabling and disabling of redundant circuitry, a scheme for blowing one or more state devices by applying a programming voltage through a switching circuit comprising thin film transistors (TFTs) which are not damaged by the device blowing programming voltage. The TFTs can be activated by a low voltage enable signal provided by a state device designator logic module.

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