Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1988-12-27
1990-01-30
James, Andrew J.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307570, 307475, 307542, 307544, H03K 19003, H03K 19092, H03K 19401, H03K 19094
Patent
active
048975648
ABSTRACT:
BICMOS driver circuit for high density CMOS logic circuits. The BICMOS logic circuit generates a voltage swing comparable to the CMOS logic circuit voltage swing with improved delay and noise immunity characteristics. A pair of complementary bipolar transistors are connected to a CMOS logic network. The transistors have serially connected collectors forming an output node and emitters connected to opposite terminals of a bipolar voltage source. Two FET transistors are connected between the base of each bipolar transistor and a CMOS operating voltage source. The CMOS logic network will switch one or the other bipolar transistor on while the other bipolar transistor is held off by its connected FET transistor.
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Bertelson David R.
International Business Machines Corp.
James Andrew J.
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