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A 1.1 Mb embedded DRAM macro (eDRAM), for next-generation IBM SOI processors, employs 14 nm FinFET logic technology with deep-trench capacitor cell. A Gated-feedback sense amplifier enables a high voltage gain of a power-gated inverter at mid-level input voltage, while supporting 66 cells per local bit-line. A dynamic-and-gate-thin-oxide word-line driver that tracks...
In this paper, we present a systematic performance study and modeling of on-chip deep trench (DT) decoupling capacitors for high-performance SOI microprocessors. Based on system-level simulations, it is shown that the DT decoupling capacitors (decap) offer significant area advantage over the other two conventional decoupling capacitors - Metal-oxide-semiconductor (MOS) and Metal-Insulator-Metal (MIM)...
A technique for in-situ measurement of process variation in deep trench capacitance, bitline capacitance, and device threshold voltage in embedded DRAM arrays is presented. The technique is used to directly measure the parameter statistics in two product representative 45-nm SOI eDRAM arrays.
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