公开(公告)号：US20220301599A1

公开(公告)日：2022-09-22

申请号：US17475482

申请日：2021-09-15

Applicant: Kioxia Corporation

Inventor： Tomoya SANUKI ,  Xu LI ,  Masayuki MIURA ,  Takayuki MIYAZAKI ,  Toshio FUJISAWA ,  Hiroto NAKAI ,  Hideko MUKAIDA ,  Mie MATSUO

IPC: G11C5/14 ,  H01L27/11556 ,  H01L27/11582 ,  H02M3/158 ,  G11C16/30

Abstract: A semiconductor memory device has a plastic package including an inductor, a first memory chip including a booster circuit that boosts a voltage from a first voltage to a second voltage using the inductor, and a second memory chip having a terminal supplied with the second voltage from the first memory chip.