• Rajani G Savanur
• Shankara C

In modern microcontroller-based electronic systems, memory design has emerged as a critical factor in determining overall system performance, reliability, and cost-effectiveness. With the rapid growth of embedded applications and the demand for compact, high-speed devices, memory technologies must address key challenges such as low power consumption, minimal leakage current, reduced latency, high storage density, and smaller device size. These requirements are especially important in portable and battery-operated systems, where energy efficiency and long-term data retention significantly influence design choices. This paper presents an in-depth discussion of three widely used memory technologies—Dynamic Random Access Memory (DRAM), Static Random Access Memory (SRAM), and Flash memory—focusing on their operational principles, advantages, limitations, and applicability in ultra-large-scale integration (ULSI) environments. DRAM offers high density and scalability but faces challenges of refresh cycles and power consumption. SRAM provides faster access and low latency, making it suitable for cache memory, but its high leakage current and larger cell size limit scalability. Flash memory, on the other hand, ensures non-volatility and cost-effectiveness for data storage, but suffers from slower write operations and endurance issues. The paper also explores recent innovations aimed at improving these technologies by reducing leakage currents, enhancing data expansion capabilities, and achieving higher density while maintaining power efficiency. By analyzing the trade-offs and design considerations of DRAM, SRAM, and Flash, this study provides valuable insights into selecting suitable memory solutions for modern microcontroller-based embedded systems. These advancements ultimately pave the way for the development of cost-effective, power-efficient, and scalable electronic applications.

Low power memory, Leakage current reduction, High-density storage, DRAM, SRAM, Flash memory, Embedded systems

"RECENT ADVANCES IN SRAM DRAM AND FLASH MEMORY ARCHITECTURES: A COMPREHENSIVE REVIEW", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.9, Issue 11, page no.g499-g505, November-2022, Available :http://www.jetir.org/papers/JETIR2211697.pdf

"RECENT ADVANCES IN SRAM DRAM AND FLASH MEMORY ARCHITECTURES: A COMPREHENSIVE REVIEW", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.9, Issue 11, page no. ppg499-g505, November-2022, Available at : http://www.jetir.org/papers/JETIR2211697.pdf