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We present, for the first time, a holistic data-path driven transistor-interconnect co-optimization method, which systematically isolates the logic-gate and interconnect-wire dominated data-paths in block-level delay-bins (i.e., sub-binning of delay based bins) to significantly improve accuracy of static and dynamic power estimation. It captures the critical interdependence of transistor architecture...
We systematically investigated the impact of R and C scaling to 7nm node (N7) by accounting for FEOL and BEOL holistically. Speed-power performance of plainly scaled N7 turns out to be degraded compared to previous node. BEOL wire resistance (Rwire) multiplied by logic gate input pin cap (Cpin), Rwire×Cpin, is identified as a major limiter of performance and power at N7. Reducing Cpin is crucial to...
We present, for the first time, a holistic data-path driven transistor-interconnect co-optimization method, which systematically isolates the logic-gate and interconnect-wire dominated data-paths in block-level delay-bins (i.e., sub-binning of delay based bins) to significantly improve accuracy of static and dynamic power estimation. It captures the critical interdependence of transistor architecture...
We systematically investigated the impact of R and C scaling to 7nm node (N7) by accounting for FEOL and BEOL holistically. Speed-power performance of plainly scaled N7 turns out to be degraded compared to previous node. BEOL wire resistance (Rwire) multiplied by logic gate input pin cap (Cpin), Rwire×Cpin, is identified as a major limiter of performance and power at N7. Reducing Cpin is crucial to...
The relationships between X-parameters of a given transistor and a second transistor geometrically scaled with respect to the first are derived and presented for the first time. The different types of X-parameters scale differently. These relationships enable X-parameters measured on a fixed size of transistor, diode, or other similar test structure to be scaled to other sizes and produce X-parameter...
Extensive reliability characterization of a state of the art 32nm strained HK/MG SoC technology with triple transistor architecture is presented here. BTI, HCI and TDDB degradation modes on the Logic and I/O (1.2V, 1.8V and 3.3V tolerant) transistors are studied and excellent reliability is demonstrated. Importance of process optimizations to integrate robust I/O transistors without degrading performance...
A 32nm RF SOC technology is developed with high-k/metal-gate triple-transistor architecture simultaneously offering devices with high performance and very low leakage to address advanced RF/mobile communications markets. A high performance NMOS achieves an fT of 420GHz. Concurrently, a low leakage 30pA/um NMOS achieves an fT of 218GHz. Deep-nwell/guard rings improves noise isolation by >50dB. High...
This paper reviews and contrasts two complementary device modeling approaches based on data readily obtainable from a nonlinear vector network analyzer (NVNA). The first approach extends the application of waveform data to improve the characterization, parameter extraction, and validation methodologies for “compact” transistor models. NVNA data is used to train artificial neural network -based constitutive...
A leading edge 32 nm high-k/metal gate transistor technology has been optimized for SoC platform applications that span a wide range of power, performance, and feature space. This technology has been developed to be modular, offering mix-and-match transistors, interconnects, RF/analog passive elements, embedded memory, and noise mitigation options. The low gate leakage of the high-k gate dielectric...
Stress induced leakage current (SILC) has been observed on non-optimized high-K (HK) and metal-gate (MG) transistors. Large NMOS PBTI degradation and correlation to SILC increase on such gate stack is a result of large trap generations in the bulk-HK. This poses a long term reliability concern on product standby power and can limit the operating voltage if not suppressed. On an optimized HK+MG process,...
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