Patent · US Expired

Lead on chip semiconductor memory device with multiple bit configuration

US5880531A · kind A · utility

7Cited by
12References
20Claims
0Family size

Assignees

Inventors

Key dates

Filing dateNov 19, 1997
Grant dateMar 9, 1999
Priority date
Expiry dateNov 19, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/3011
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor memory device having inner lead portions of a plurality of leads disposed through at least one insulating film on a semiconductor chip and electrically insulated from the semiconductor chip, includes bonding pads for at least data input/output arranged in two rows axially symmetrically in a substantially central portion of the semiconductor chip interposed between memory arrays and bonding wires for connecting the inner lead portions and the bonding pads.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.