High voltage switch circuitry
First Claim
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1. A memory device comprising:
- a memory cell adapted to store data, said memory cell including at least one thin gate-ox fuse element, said thin gate-ox fuse element having an oxide that is about 2.5 nm thick or less; and
a voltage switch device coupled to said memory cell and adapted to set a state of said memory cell.
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Abstract
The present invention relates to a high voltage switch used with a one-time programmable memory device and a method of setting a state of a one-time programmable memory device using such a high voltage switch. The memory device includes a plurality of one time programmable memory cells arranged in an array and adapted to be programmed using a high voltage, wherein each of the memory cells includes at least one storage element and two gated fuses connected to the storage element. A high voltage switch is connected to at least one of the memory cells and is adapted to switch in a high voltage.
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Citations
22 Claims
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1. A memory device comprising:
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a memory cell adapted to store data, said memory cell including at least one thin gate-ox fuse element, said thin gate-ox fuse element having an oxide that is about 2.5 nm thick or less; and
a voltage switch device coupled to said memory cell and adapted to set a state of said memory cell. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A one-time programmable memory device comprising:
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at least two memory cells in an array adapted to be programmed using a high voltage, at least one of said memory cells including at least one thin gate-ox fuse element, said thin gate-ox fuse element having an oxide that is about 2.5 nm thick or less; and
at least one high voltage switch connected to at least one of said memory cells and adapted to switch in a high voltage. - View Dependent Claims (9, 10, 11, 17)
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12. A one time programmable memory device comprising:
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a plurality of memory cells adapted to be programmed using a high voltage, wherein each of said memory cells includes at least one storage element and two thin gate-ox fuses connected to said storage element, at least one of said thin gate-ox fuses having an oxide that is about 2.5 nm thick or less; and
at least one high voltage switch connected to at least one of said memory cells and adapted to switch in said high voltage. - View Dependent Claims (13, 14)
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- 15. A method of setting a state of a memory cell using a high voltage switch, said memory cell having at least one thin gate-ox fuse having an oxide that is about 2.5 nm thick or less.
- 18. A memory cell adapted to store data, said memory cell comprising at least one thin gate-ox fuse element, said thin gate-ox fuse element having an oxide that is about 2.5 nm thick or less.
- 20. A memory device comprising at least one memory cell adapted to store data, said memory cell including at least one thin gate-ox fuse element, said thin gate-ox fuse element having an oxide that is about 2.5 nm thick or less.
Specification