Circuit and method for contact pad isolation
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United States of America Patent
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May 28, 2002
Issued Date -
N/A
app pub date -
Dec 17, 1999
filing date -
Feb 13, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A circuit is provided to isolate a contact pad from a logic circuit of a die once the contact pad is no longer needed. This circuit can take many forms including a CMOS multiplexer controlled by a fuse or anti-fuse, an NMOS or PMOS pass gate controlled by a fuse or anti-fuse, or even a fusible link which is severed to effect isolation. Additionally, a circuit is provided that switchably isolates one of two contact pads from a logic circuit.
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