Presentation 2014-06-12
Three-dimensional FPGA Structure using High-speed Serial Communication
Takuya KAJIWARA, Motoki AMAGASAKI, Masahiro IIDA, Morihiro KUGA, Toshinori SUEYOSHI,
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Abstract(in English) The three-dimensional (3D) integrated circuit technology is expected to continually improve the LSI (Large Scale Integration) performance when the process miniaturization closing to the physical limitation. However, because the TSV (Through Silicon Via) that used to make the inter-layer vertical connection has much larger area than the transistor, there is a tradeoff between the connectivity and the area overhead. Especially the FPGA (Field Programmable Gate Array) requires large amount of routing resources, it is unrealistic to make the same number of connections vertically as horizontal connections. We have proposed a two-layer compact 3D FPGA with the face-down integration (the base FPGA) method in a previous research. In this paper, we stack multiple base FPGAs with the face-up method, and propose inter-layer high-speed communications with TSV serial connections. The proposed architecture improves FPGA performance by using only few TSVs. The evaluation results show that the proposed 3D FPGA reduces 60% area at the maximum when compared with a 2D FPGA.
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Keyword(in English) 3D-FPGA / High speed serial communication / TSV
Paper # RECONF2014-7
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Conference Information
Committee RECONF
Conference Date 2014/6/4(1days)
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Registration To Reconfigurable Systems (RECONF)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Three-dimensional FPGA Structure using High-speed Serial Communication
Sub Title (in English)
Keyword(1) 3D-FPGA
Keyword(2) High speed serial communication
Keyword(3) TSV
1st Author's Name Takuya KAJIWARA
1st Author's Affiliation Graduate School of Sience and Technology, Kumamoto University()
2nd Author's Name Motoki AMAGASAKI
2nd Author's Affiliation Graduate School of Sience and Technology, Kumamoto University
3rd Author's Name Masahiro IIDA
3rd Author's Affiliation Graduate School of Sience and Technology, Kumamoto University
4th Author's Name Morihiro KUGA
4th Author's Affiliation Graduate School of Sience and Technology, Kumamoto University
5th Author's Name Toshinori SUEYOSHI
5th Author's Affiliation Graduate School of Sience and Technology, Kumamoto University
Date 2014-06-12
Paper # RECONF2014-7
Volume (vol) vol.114
Number (no) 75
Page pp.pp.-
#Pages 6
Date of Issue