Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1990-10-09
1992-04-07
Westin, Edward P.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307300, 307456, H03K 1902, H03K 1760
Patent
active
051031191
ABSTRACT:
A TTL-level BiCMOS driver comprises a oversaturation preventing part for preventing oversaturation in following parts including two diodes connected to each supply voltage, an inverter connected to the diodes and including a PMOS transistor and a NMOS transistor of which drain is connected to an input terminal; an inverter part connected to the oversaturation preventing part including a transistor and a diode connected to the emitter of the transistor and a resistor connected to the drain thereof and an inverter; and a switching part including first and second switching parts, the first switching part having an inverter connected to the input terminal, a PMOS transistor connected to the inverter, darlington transistors and a NMOS transistor connected to the base of one of the switching part having a transistor turned on according to the driving of the transistor in the inverter part and a NMOS transistor connected to the input terminal and a base of the transistor in the second switching part. According to the present invention, the TTL-level BiCMOS driver can achieve the improvement of switching speed and the reduction of power consumption.
REFERENCES:
patent: 4678943 (1987-07-01), Uragami et al.
patent: 4703203 (1987-10-01), Gallup et al.
patent: 4808850 (1989-02-01), Masuda et al.
patent: 4829201 (1989-05-01), Masuda et al.
patent: 4902914 (1990-02-01), Masuoka
patent: 4970414 (1990-11-01), Ruth, Jr.
Samsung Electronic Co. Ltd.
Sanders Andrew
Westin Edward P.
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