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A compact conformal planar inverted-F antenna (PIFA) array, working at UHF band, is presented in this paper. This array consists of four PIFA elements. The parallel feeding network has been designed to drive the elements. The size of the proposed array is 100.5 mm × 48 mm. The proposed antenna is fabricated on a very thin substrate with a thickness of 0.254 mm, which is benefit for conformal structure...
A 128 kb portless SRAM is presented with 1024 rows per hierarchical bitline and CMOS thyristor-based local sense amplifiers. Each portless cell is 0.317 μm2 in 45 nm CMOS and consumes 50.8 fJ of energy per access at a 17.86 ns cycle time. A 65% read SNM improvement and a 33% leakage power reduction is achieved over a conventional 6T design. The thyristor-based sense amplifier occupies 2.4 μm2 and...
This paper analyzes the impact of Double Patterning Lithography (DPL) on 6T SRAM variability. A test chip is implemented in a 45nm CMOS process that uses DPL. Measurements from 75 dies demonstrate a significant impact of DPL on SRAM failures. Extensive analysis demonstrates that DPL induced mismatch considerably increases functional failures in SRAM cells, and degrades yield. We also propose a DPL-aware...
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