Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1992-02-14
1992-09-15
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307270, 307263, 307585, H03K 1756, H03K 326
Patent
active
051480476
ABSTRACT:
A CMOS bus driver circuit with improved speed attributable to reduced capacitive loading on a control signal line and reduced capacitance added to the capacitance of a bus line. In one form, the bus driver circuit comprises a P-channel transistor and two N-channel transistors. The P-channel transistor has its current conducting path connected between a data line signal and a control electrode of the first N-channel transistor, and receives a control signal on its control electrode. A first N-channel transistor has its current conducting path connected between the bus line and a power supply voltage terminal. A second N-channel transistor has its current path connected between the gate of the first N-channel transistor and the power supply voltage terminal, and receives the control signal on its control electrode. The driver circuit improves speed by reducing capacitance on input signal lines and the bus line, eliminates a charge sharing problem, and eliminates a need to use an extra level of logic to provide a control signal.
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Miller Stanley D.
Motorola Inc.
Polansky Paul J.
Tran Toan
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