Active solid-state devices (e.g. – transistors – solid-state diode – Integrated circuit structure with electrically isolated...
Reexamination Certificate
2011-03-08
2011-03-08
Potter, Roy K (Department: 2822)
Active solid-state devices (e.g., transistors, solid-state diode
Integrated circuit structure with electrically isolated...
C257S503000, C257SE29001
Reexamination Certificate
active
07902627
ABSTRACT:
An integrated circuit having voltage isolation capabilities comprising a first galvanically isolated area of the integrated circuit containing a first group of functional circuitry for processing a data stream. The first group of functional circuitry located in a substrate of the integrated circuit. Capacitive isolation circuitry located in conductive layers of the integrated circuit provides a high voltage isolation link between the first group of functional circuitry and a second group of functional circuitry connected to the integrated circuit through the capacitive isolation circuitry. The capacitive isolation circuitry includes a differential transmitter for transmitting data in a differential signal to the second group of functional circuitry via the capacitive isolation circuitry. A differential receiver receives data within the differential signal from the second group of functional circuitry via the capacitive isolation circuitry. A detector circuit within the differential receiver detects the received data. The detector circuit monitors the differential signal and generates a first logical output when a voltage generated responsive to the differential signal exceeds a programmable voltage threshold level and generates a second logical output when the voltage generated responsive to the differential signal falls below the programmable voltage threshold level.
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Dong Zhiwei
Leung Ka Y.
Tang William W. K.
Thomsen Axel
Yan Shouli
Howison & Arnot, L.L.P.
Potter Roy K
Silicon Laboratories Inc.
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