Bidirectional driver circuit for PCI bus systems

Details Bidirectional driver circuit for PCI bus systems Bidirectional driver circuit for PCI bus systems

1996-09-27

1998-08-25

Westin, Edward P.

Electronic digital logic circuitry

Interface

Supply voltage level shifting

326 86, 326 68, H03K 1710, H03K 19094

Patent

active

057986576

ABSTRACT:
The bidirectional driver circuit for PCI bus system involves minimal circuit outlay. It is manufactured in a 3.3 technology and is essentially also operated only with 3.3 V, but is suited for a 5 V signal environment. The driver circuit has at least one selection logic (AL), a control circuit (A), a p-channel MOS transistor (M113), a first, second and third n-channel MOS transistor (M110, M111, M112). The advantage of the driver circuit is in its minimal circuit outlay.

REFERENCES:
patent: 5378943 (1995-01-01), Dennard
patent: 5465054 (1995-11-01), Erhart
patent: 5532621 (1996-07-01), Kobayashi et al.
patent: 5650742 (1997-07-01), Hirano
IEEE 1992 Symposium on VLSI Circuits Digest of Technical Papers-"Highly Reliable Process Insensitive 3.3V-5V Interface Circuit"-Wada et al -pp. 90-91.
IEEE Journal of Solid-State Circuits -vol. 26, No. 7, Jul. 1991, pp. 1003-1009, "Circuit Techniques for 1.5-3.6V Battery-Operated 64 mb DRAM", Nakagome et al.

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