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US 5,479,117 AGranted
Hybrid data processing system including pulsed-power-supply CMOS circuits
AssigneeAT&T Corp.
InventorThaddeus J. Gabara
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Abstract
An advantageous hybrid data processing system includes both conventional CMOS circuitry and low-power-dissipation pulsed-power-supply (PPS) CMOS circuitry. To enable the different types of circuitry in the system to communicate with each other, data signal representations that are in a PPS format must be converted to corresponding conventional CMOS-formatted data signals before being processed by the CMOS circuitry. Similarly, conventional CMOS data signals must be converted to corresponding PPS-formatted representations before the signals can be processed by the PPS circuitry.
Claims7
A hybrid data processing system comprising
- fixed-power-supply complementary metal-oxide-semiconductor (CMOS) circuitry,
- pulsed-power-supply (PPS) CMOS circuitry,
- first means interposed between said fixed-power-supply circuitry and said PPS circuitry and responsive to binary data signals provided by said fixed-power-supply CMOS circuitry for converting signals from a non-return-to-zero CMOS mode to corresponding binary data signals in a PPS binary data return-to-zero mode,
- and second means interposed between said PPS circuitry and said fixed-power-supply circuitry and responsive to binary data signals provided by said PPS CMOS circuitry for converting said signals in said PPS mode to corresponding binary data signals in said non-return-to-zero CMOS mode.
1 more element
Dependencies are inferred from the claim text.