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A NOR Flash memory fully functional at 1 V is demonstrated, based on an inductor built directly into the package. A ferromagnetic nucleus is wound by means of the bonding wires and the first package substrate metal layer. The magnetic field does not affect the system since it is strictly confined into the toroidal nucleus. The whole system is enclosed into a standard BGA package 8×14×1.4 mm with 88 balls.
Inspec keywords: NOR circuits; ball grid arrays; system-in-package; inductors; flash memories
Other keywords:
Subjects: Semiconductor storage; Memory circuits; Logic circuits; Product packaging; Logic and switching circuits; Inductors and transformers