Processor utilizing a low voltage data circuit and a high voltag

Details Processor utilizing a low voltage data circuit and a high voltag Processor utilizing a low voltage data circuit and a high voltag

1995-06-05

1997-08-26

Westin, Edward P.

Electronic digital logic circuitry

Interface

Supply voltage level shifting

H03K 190185

Patent

active

056614136

ABSTRACT:
A data operating circuit in which a logic combinatorial circuit and a transfer gate are built, and a controller for controlling the data operating circuit are disposed. The controller includes a drive unit for applying a drive signal to a gate of an N-channel transistor included in the transfer gate, and a control unit for controlling the operation of the drive unit. The data operating circuit is supplied with a first voltage via a first power supply line, and the controller is supplied with a second voltage that has a higher voltage value than the first voltage. A signal line for transferring an output signal of the data operating circuit to the controller is provided with a level converter for increasing the level of the output signal of the data operating circuit to a level required for the operation of the control unit. As a result, a timing skew of the transfer gate can be retained small while minimizing power consumption of the data operating circuit.

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patent: 5508653 (1996-04-01), Chu et al.
Sedra et al.; "Microelectronic Circuits"; copyright 1985 by Holt, Rinehart and Winston, Inc.; p. 338.
D. Liu, et al., "Trading Speed for Low Power by Choice of Supply and Threshold Voltages," IEEE Journal of Solid-State Circuits, vol. 28, No. 1, pp. 10-17, Jan. 1993.

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