Semiconductor integrated circuit

Details Semiconductor integrated circuit Semiconductor integrated circuit

1993-06-02

1995-03-14

Westin, Edward P.

Electronic digital logic circuitry

Function of and, or, nand, nor, or not

Bipolar and fet

326 84, 327433, H03K 1902

Patent

active

053979370

ABSTRACT:
There is disclosed a semiconductor integrated circuit comprising pass transistor circuits (PT3, PT4) for producing logically complementary signals. The output of the pass transistor circuit (PT3) is connected to the base electrode of an NPN bipolar transistor (BN1), and the output of the pass transistor circuit (PT4) is connected to the gate electrode of an NMOS transistor (MN9). PMOS transistors (MP15, MP16) are connected between the outputs of the pass transistor circuits (PT3, PT4) and a first potential (VDD). The gate electrodes of the PMOS transistors (MP15, MP16) are connected to the outputs of the pass transistor circuits (PT3, PT4). The bipolar transistor (BN1) having a large driving force charges and discharges a load capacity (CL1) connected to an output terminal in response to the output signal of the pass transistor circuit (PT3). This provides for a logic circuit which operates at high speeds in the semiconductor integrated circuit.

REFERENCES:
patent: 5055716 (1991-10-01), El Gamel
patent: 5107142 (1992-04-01), Bhamidipay
patent: 5155387 (1992-10-01), Fletcher
patent: 5243237 (1993-09-01), Khieu
IEEE Journal of Solid-State Circuits, vol. 25, No. 3, Jun. 1990, pp. 770-777, Hotta, et al., "A 70-MHz 32-b Microprocessor with 1.0-.mu.m BiCMOS Macrocell Library".

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