Electronic digital logic circuitry – Multifunctional or programmable – Array
Patent
1994-01-11
1996-09-24
Teska, Kevin J.
Electronic digital logic circuitry
Multifunctional or programmable
Array
326 68, 326 33, 326 98, 326 63, 327291, 327134, 327333, G06F 300
Patent
active
055599966
ABSTRACT:
A level converter circuit has first and second P-channel transistors having the same first .beta. values, sources of the first and second P-channel transistors being commonly connected to a first potential V1, drains of the first and second P-channel transistors being connected to gates of the second and first P-channel transistors, respectively; first and second N-channel transistors having the same second .beta. values, the first and second N-channel transistors having drains respectively connected to the drains of the first and second P-channel transistors and sources which are grounded; a first inverter for inverting a level-conversion input signal and supplying the inverted signal to the gate of the second N-channel transistor, the first inverter being operated by a power supply of a second potential V2; a second inverter for inverting the output of the first inverter and supplying the further inverted signal to the gate of the first N-channel transistor, the second inverter being operated by a power supply of the second potential V2; and a wave-shaping device for wave-shaping a signal obtained at the junction of the drain of the first P-channel transistor and the drain of the first N-channel transistor. The second .beta. values of the first and second N-channel transistors are more than 50 times as large as the first .beta. values of the first and second P-channel transistors.
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Louis-Jacques Jacques
Mitsubishi Denki & Kabushiki Kaisha
Teska Kevin J.
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