Antifuse-based FPGA architecture without high-voltage isolation

Details Antifuse-based FPGA architecture without high-voltage isolation Antifuse-based FPGA architecture without high-voltage isolation

1994-09-30

1996-07-16

Westin, Edward P.

Electronic digital logic circuitry

Multifunctional or programmable

Having details of setting or programming of interconnections...

326 41, 326 16, H03K 19173, H03K 1900

Patent

active

055370560

ABSTRACT:
A programmable interface for selectively making connections between an output node of a logic module and an interconnection array in a field programmable gate array integrated circuit includes a first antifuse having a first electrode electrically connected to the output node and a second electrode connected to the first electrode of a second a second antifuse. The second electrode or the second antifuse is connected to the interconnection array. A high-voltage transistor, capable of withstanding programming voltages used in the integrated circuit to program the antifuses, is connected between the common connection comprising the second electrode of the first antifuse and the first electrode of the second antifuse and a fixed voltage potential such as ground. A control element of the high-voltage transistor is connected to circuitry for programming antifuses.

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