The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 07, 1999

Filed:

Apr. 03, 1998
Applicant:
Inventors:

Koji Imura, Nara-ken, JP;

Masaaki Tatsukawa, Tenri, JP;

Koji Komatsu, Nara, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
257723 ; 257676 ; 257686 ; 257666 ;
Abstract

This is provided a dual-surface mounting type semiconductor integrated circuit device capable of achieving reductions in chip area and consumption power. In the dual-surface mounting type semiconductor integrated circuit device, a specified circuit for implementing a function common to integrated circuit chips and mounted on both surfaces of a chip mounting section of a lead frame is provided only for the integrated circuit chip of one surface, and an output signal of the specified circuit provided only for the integrated circuit chip of this one surface is transmitted to the integrated circuit chip of the other surface via bonding wires and an internal lead.


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