A 512 mb 2-channel mobile DRAM (oneDRAM™) with shared memory array

A 512 mb 2-channel mobile DRAM (oneDRAM™) with shared memory array

A 1.8 V, 512 Mb two-channel synchronous mobile DDR SDRAM (OneDRAMtrade) with 333 Mbps/pin was designed, with 90 nm technology. The device can operate as 2 separate mobile DDR SDRAMs through each channel because of its exclusive accessibility from each channel to dedicated memory arrays. A new contro...

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Bibliographische Detailangaben
Hauptverfasser: Kyungwoo Nam, Jung-Sik Kim, Chi Sung Oh, Hangu Sohn, Dong Hyuk Lee, Changho Lee, Sooyoung Kim, Jong-Wook Park, Yongjun Kim, Mijo Kim, Jinkuk Kim, Hocheol Lee, Jinhyoung Kwon, Dong Il Seo, Young-Hyun Jun, Kinam Kim
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Control systems
DRAM chips
Modems
Multimedia systems
Pins
Process control
Random access memory
SDRAM
Solid state circuit design
Solid state circuits
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Beschreibung
Zusammenfassung:A 1.8 V, 512 Mb two-channel synchronous mobile DDR SDRAM (OneDRAMtrade) with 333 Mbps/pin was designed, with 90 nm technology. The device can operate as 2 separate mobile DDR SDRAMs through each channel because of its exclusive accessibility from each channel to dedicated memory arrays. A new control scheme is proposed to exchange data between two channels by sharing one common memory array. The shared memory array control scheme is based on direct addressing mode to achieve compatibility with normal SDRAM interface together with fast data transfer speed between two channels.
DOI:10.1109/ASSCC.2007.4425766