US 12,322,463 B2
Vehicle memory system based on 3D memory and method operating thereof
Hong Yeol Lim, Incheon (KR); and Myung Hyun Koo, Seoul (KR)
Assigned to Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and Hyundai AutoEver Corp., Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); Kia Corporation, Seoul (KR); and Hyundai Autoever Corp., Seoul (KR)
Filed on Aug. 25, 2021, as Appl. No. 17/411,547.
Claims priority of application No. 10-2021-0032228 (KR), filed on Mar. 11, 2021.
Prior Publication US 2022/0293202 A1, Sep. 15, 2022
Int. Cl. G11C 29/00 (2006.01); G11C 11/409 (2006.01); G11C 29/02 (2006.01); G11C 29/42 (2006.01); G11C 29/44 (2006.01); G11C 29/04 (2006.01)
CPC G11C 29/022 (2013.01) [G11C 11/409 (2013.01); G11C 29/42 (2013.01); G11C 29/4401 (2013.01); G11C 2029/0401 (2013.01); G11C 2207/104 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A vehicle memory system, comprising:
a first function device including a processor configured to perform a safety function of a vehicle related to vehicle movement safety;
a second function device including a processor configured to perform a convenience specification function related to general function of the vehicle;
a first memory cell layer that is shared by the first function device and the second function device;
a second memory cell layer that is used solely by the second function device; and
a vehicle memory device configured to have a stacked structure including a through-silicon electrode connecting each of the first function device, the first memory cell layer, the second function device, and the second memory cell layer;
wherein the st memory cell layer includes:
a first sublayer configured to enable reading and writ the first function device and reading access by the second function device; and
a second sublayer configured to enable reading and writing access by the second function device and only reading access by the first function device, and
wherein the first sublayer and the second sublayer are stacked.