Multiplier is the most commonly used circuit in digital devices. Multiplication is one of the basic functions used in digital signal processing. Gate Diffusion Input (GDI) logic reduces the power dissipation and area of digital circuits while maintaining low complexity of logic design. In this paper, GDI technique is used for low-power design of 8-bit multiplier. Reduction in power and area can be achieved using Booth encoding and Wallace tree technique since they generate partial products efficiently and are most suited for multiplication of signed numbers. Multiplier designed in GDI logic requires lesser number of devices as compared to CMOS logic [3]. Hence, GDI multiplier substantially dissipates lesser power as compared to CMOS design.
Area and energy-efficient data converters are an integral part of In-Memory Compute (IMC) engines. The conventional Digital to Analog Converters (DACs) uses binary-weighted pull-up current sources with scan-flops feeding in the digital input. These bulky pull-up devices and scan-flops make it hard to integrate along-side a memory array in an area-efficient manner. Further, it is prone to error due to local variations owing to limited digital control. In this paper, we propose an area-efficient, Word-Line (WL) pitch-aligned, layout friendly In-Memory compatible DAC (IM-DAC), whose layout resembles the 8T SRAM array very closely, thus achieving memory array-like density. Simulation results show that the worst-case INL and DNL is 2.42 LSB and -0.32 LSB, respectively. We obtained a 3.4X area advantage in comparison with the conventional DAC. The highdensity layout allows for additional calibration pull-up stacks, with minimal area penalty, that reduces the standard deviation of the linearized-current to 48.76% of the corresponding value before calibration.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.