Small computer system interface bus driving circuit with unique

Details Small computer system interface bus driving circuit with unique Small computer system interface bus driving circuit with unique

1995-10-20

1997-10-21

Westin, Edward P.

Electronic digital logic circuitry

Interface

Current driving

326 56, H03K 190175

Patent

active

056800657

ABSTRACT:
An improved SCSI bus driving circuit is capable of speedily transmitting a data irrespective of the length of a small computer system interface bus cable or the number of targets connected to a host computer. The circuit includes an output buffer for buffering the output signal of a data output terminal of a host computer; and an enabling circuit for detecting the output signal of the output buffer using a logic threshold voltage of a logic gate and logically combining the signal detected and the output signal of a mode selection terminal outputted from the host computer.

REFERENCES:
patent: 4342065 (1982-07-01), Larson
patent: 4945264 (1990-07-01), Lee et al.
patent: 5214330 (1993-05-01), Okazaki
patent: 5361005 (1994-11-01), Slattery et al.
patent: 5448180 (1995-09-01), Kienzler et al.
patent: 5519345 (1996-05-01), Farrell et al.
Weste et al.; "Principles of CMOS VLSI Design, A Systems Perspective"; reprinted in Jun. 1988; copyright 1985 by AT&T Bell Laboratories, Inc. and Kamran Eshraghian.

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