A look up table design with 3D bipolar RRAMs
Look Up Table (LUT) is a basic configurable logic element in Field Programmable Gate Arrays (FPGAs). In a commercial product, Static Random Access Memory (SRAM) has been widely used in each LUT to store configured logic. Recently, emerging Resistive RAM (RRAM) has attracted a lot of attention for it...
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| Main Authors: | , , |
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| Other Authors: | |
| Format: | Conference or Workshop Item |
| Language: | English |
| Published: |
2013
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/99004 http://hdl.handle.net/10220/12538 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | Look Up Table (LUT) is a basic configurable logic element in Field Programmable Gate Arrays (FPGAs). In a commercial product, Static Random Access Memory (SRAM) has been widely used in each LUT to store configured logic. Recently, emerging Resistive RAM (RRAM) has attracted a lot of attention for its high density and non-volatility. In this work, we explore a novel LUT design with bipolar RRAM devices. To obtain design efficiency, a 3D high-density interleaved memory structure is introduced in the proposed LUT. The corresponding peripheral circuits were developed with TSMC 0.18μm technology node. Compared to the traditional SRAM-based FPGA, the RRAM-based LUT demonstrates advantages such as a eliminating initialization stage, a much higher density with 56% area reduction, a bit-addressable write scheme, dynamic reconfiguration, and better flexibility in supporting various configurations. |
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