Page 1 Module 6 : Semiconductor Memories Lecture 30 : SRAM and DRAM Peripherals Objectives In this lecture you will learn the following • Introduction • SRAM and its Peripherals • DRAM and its Peripherals 30.1 Introduction Even though a lot of the concepts here have been discussed earlier, they are repeated for convenience. 9 CMOS Technology There are more than 350+ Video Courses, more than 12000 video lectures across 10 subjects. Audio. Arch. ), 37.skl-37 Integrated Injection Logic (contd. Introduction and Historical Background, 3.IIT video 3 - Review of Bipolar & MOS Transistor Structure, 4.IIT video - 4 Isolation Techniques in Advanced VLSI, 6.IIT video 6 - Bipolar IC Fabrication (Contd. Autoplay When autoplay is enabled, a suggested video will automatically play next. In bipolar circuits charge carriers are both positive and negative (holes and electrons) are required for operation of the active elements. - Integrated Injection Logic (contd.) 39 I2 L (contd.) Semiconductor memories and microprocessors are two major fields, which are benefited by the growth Contents: Introduction and Historical Background - VLSI Classification - Review of Bipolar & MOS Transistor Structure - Isolation Techniques in Advanced VLSI - Bipolar IC Fabrication - Bipolar IC Fabrication (Contd.) 28 Other Forms of PLAs - Bipolar Logic - Integrated Injection Logic (contd.) NPTEL - GATE Courses for Metallurgy and Material Science (13) Gate ECE Gate CSE Anna University - CSE Anna University - ECE Any Queries, please contact us @ 09677117110 or mail to NPTEL.Bodhbridge@btechguru.com 1. 29 Weinberger Array 25 Programmable Logic Arrays (PLAs) Computer Memories. Equlibrium and under bias ( forward and reverse). Chandorkar 117101002: Electronics & Communication Engineering: Advanced Optical Communication: Prof. R.K. Shevgaonkar: Video: IIT Bombay Band gap diagrams. Lecture-27 Basics of Seminconductor Memories; Lecture-28 Static Random Access Memory (SRAM) Lecture-29 Basics Of DRAM Cell And Access Time Consideration; Lecture-30 SRAM and DRAM Peripherals; Lecture-31 Semiconductor ROMs; Lecture-32 Few special Examples of Memories; Module-7 I/O PADs. 38 Integrated Injection Logic (contd.) I-V characteristics - Problem set on metal-semiconductor junctions - p-n junctions. Week 3 : Extrinsic semiconductors, Fermi level variations, and conductivity. CIVIL ENGINEERING. Video. 22 Domino CMOS We have divided the whole memory system of a computer into 4 different categories. An illustration of two photographs. Random Access Memories - Dynamic RAM (DRAM) - Dynamic RAM (DRAM) (contd.) Module - 1 Lecture - 1 Semiconductor materials | Lecture Series on Basic Electronics by Dr.Chitralekha Mahanta, Department of Electronics and Communication Engineering ,IIT Guwahati. You can also get course completion certification for some of the courses. NPTEL Disclaimer: NPTEL material is available for FREE on NPTEL Website (www.nptel.ac.in).If you are not able to download lectures due to bandwidth constraints, you can obtain the courses in DVDs by paying a nominal fee (to cover the cost of storage media and distribution). ), 12.skl-12 Inverter with Triode Linear Load, 15.skl-15 Inverter Speed (contd.) 20 Dynamic Shift Registers (contd) & Pre-charged Logic Semiconductor Memory Technologies . ), 38.skl-38 Integrated Injection Logic (contd. Also, these are fabricated as IC’s thus requires less space inside the system. 14 Power & Speed of MOS Inverters It stores data and instructions. 16 MOS Static Logic CE 2201 - Mechanics of Solids - Prof.S.K. 7 MOS technology NOC:Fundamentals of semiconductor devices (Video), Band structure (contd.) 2 NPTEL Video Courses (January 2019 to April 2019) New Courses 144 ---3 NPTEL Video Courses (PDF Transcription) Completed 1144 47,336 4 NPTEL Video Courses (Subtitle Transcription) Completed 1129 46,243 DIGIMAT Digital Video Repository Software The No.1, HTML-5 and QR Code based Digital Video Repository Software for Streaming (from nptel.ac.in) COURSE LAYOUT Week 1 : Introduction, Energy bands in solids, Semiconductors band gap formation Week 2 : Problem set on week #1 and Intrinsic semiconductors. 13 CMOS Inverter 35 Dynamic RAM (DRAM) (contd.) and Fermi-Dirac distribution, Doping and intrinsic carrier concentration, Temperature-dependence of carrier concentration, High doping effects and incomplete ionization, Low-field and high-field transport, introduction to diffusion, Continuity equation (contd.) 6 Bipolar IC fabrication (Contd.) Class 12 science ;chapter-semiconductor devices- In this playlist you will learn all the important topic of this chapter By sachin sir 3. Review of Bipolar and MOS transistor structures Reviews and transistors for Memory. 18 CMOS Static Logic Bhattacharyya - IIT ... Semiconductor RAM - ROM - Speed - Size and cost - Cache memories - Improving cache performance - Virtual memory - Memory management requirements - Associative memories - … This document is highly … Some material from this session spills over into the next (Session 15); make sure you've covered it before moving on to the Electronic MaterialsSelf-Assessmentpage. Session 19 discusses the behavior and location of dopants in crystal lattices, and Session 24 explains how to control the depth and concentrati… Dopant types and materials. i.e. 8 MOS Inverter Layouts Conductivity, Fermi energy position,temperature dependence - Problem set on extrinsic semiconductors - Metal-semiconductor junctions. Precharged NMOS Logic - Domino CMOS - Domino CMOS Example - Domino CMOS Example (contd) - Programmable Logic Arrays (PLAs) - PLAs (contd.) 41 An Advanced VLSI Single-Chip System. ... NPTEL-Physics-Semiconductor_Optoelectronics Ocr ABBYY FineReader 11.0 (Extended OCR) Ppi 300. plus-circle Add Review. 19 Dynamic Shift Registers Author(s): Prof. A.N. 5 Bipolar IC fabrication Semiconductor memory is even incorporated into many microprocessor chips as on-board memory. 34 Dynamic RAM (DRAM) 30 Introduction to Gate Arrays & Semiconductor Memories for free ebooks .... www.ebook29.blogspot.com 15 Inverter Speed (contd.) 10 MOS Inverter Analysis - I 31 Semiconductor Memories 33 Random Access Memories 40 I2 L Threshold Logic 12 Inverter with Triode Linear Load "VLSI Device Modeling" by Prof.S.K.Lahiri & Pre Charged Logic - MOS Static Logic - Pass Transistor Logic & CMOS Gates - CMOS Static Logic - Dynamic Shift Registers - Dynamic Shift Registers (contd) & Pre-charged Logic There is a large variety of types of ROM and RAM that are available. For more details on NPTEL visit nptel.iitm.ac.in - Lecture Series on Basic Electronics by Dr.Chitralekha Mahanta, Department of Electronics and Communication Engineering ,IIT Guwahati Introduction and Historical Background - VLSI Classification - Review of Bipolar & MOS Transistor Structure - Isolation Techniques in Advanced VLSI - Bipolar IC Fabrication - Bipolar IC Fabrication (Contd.) & for RF electronics, Transistors for RF (contd.) Sep 05, 2020 - Lecture 31 - Semiconductor ROMs - Semiconductor Memories Notes | EduRev is made by best teachers of . Memory is an essential part of a computer. it has very high conductivity. - 2 L Threshold Logic - An Advanced VLSI Single-Chip System, Video Lecture Series from IIT Professors for More video lectures .... www.satishkashyap.com Semiconductor memories are available in integrated circuits (IC's). Contents: Excellent course helped me understand topic that i couldn't while attendinfg my college. FreeVideoLectures aim to help millions of students across the world acquire knowledge, gain good grades, get jobs. and introduction to p-n junction, p-n junction: generation-recombination currents, Applications of p-n junctions and details of metal-semiconductor junction, Ideal MOS system: derivation of threshold voltage, Gradual Channel Approximation: Derivation of I-V characteristics, Substrate bias effect and subthreshold conduction in MOSFET, Opto-electronic devices: Solar cells and photodetectors, Photodetectors: figures of merit and types of devices, Opto-electronic devices: Light Emitting Diodes (LED), Applications of transistors and basics of microelectronic fabrication, Transistors for power electronics (contd.) Power & Speed of MOS Inverters - Inverter Speed (contd.) Semiconductor based electronics is the foundation to the information technology society we live in today. 27 PLA Minimisation (Folding) Basically there are two types of IC's bipolar and unipolar. Schottky vs. Ohmic junctions. 24 Domino CMOS Example (contd) There are two main types or categories that can be used for semiconductor technology. Introduction and Historical Background VLSI classification - I2 L (contd.) Up next Lecture 21: Main Memory and the DRAM System - Carnegie Mellon - Comp. NPTEL provides course-ware in the form of video lectures and web courses. The fabrication of semiconductor memories is done through CMOS technology. Software. 36 Bipolar Logic Basics of Semiconductor Memories (Part - 1), Few Special Examples of Memories - Semiconductor Memories, Test: Noise In MOS Device, CMOS Inverter Characteristics, I/O PADs, Metal Oxide Semiconductor Field Effect Transistor (MOSFET) Capacitor (Part - 2), Test: Flash Memory, Test: MOS Transistor Threshold Voltage, 37 Integrated Injection Logic (contd.) - MOS technology - MOS Inverter Layouts - CMOS Technology - MOS Inverter Analysis - I - MOS Inverter Analysis - II - Inverter with Triode Linear Load - CMOS Inverter NPTEL Video Lectures, IIT Video Lectures Online, NPTEL Youtube Lectures, Free Video Lectures, NPTEL Online Courses, Youtube IIT Videos NPTEL Courses. - MOS technology - MOS Inverter Layouts - CMOS Technology - MOS Inverter Analysis - I - MOS Inverter Analysis - II - Inverter with Triode Linear Load - CMOS Inverter comment. Ever since the first transistor was invented way back in 1948, the semiconductor industry has been growing at a tremendous pace. Block Diagram of Semiconductor Memory. 26 PLAs (contd.) 11 MOS Inverter Analysis - II 21 Precharged NMOS Logic ), 41.skl-41 An Advanced VLSI Single-Chip System. Topics covered in this course include semiconductors, diode and BJT model parameter extraction, standard TTL circuits, Schottky transistor logic, I2L technology, ECL basic operation, and semiconductor memories. Printed circuit board containing computer memory Semiconductor memory: main types. NPTEL provides E-learning through online Web and Video courses various streams. Semiconductor Memory Classification RWM NVRWM ROM EPROM E2PROM FLASH Random Access Non-Random Access SRAM DRAM Mask-Programmed Programmable (PROM) FIFO Shift Register CAM ... Read-Write Memories (RAM) • STATIC (SRAM) • DYNAMIC (DRAM) Data stored as long as supply is applied Large (6 transistors/cell) Fast Differential 4 Isolation Techniques in Advanced VLSI NPTEL provides E-learning through online Web and Video courses various streams. Lecture-33 I/O PADs & Pre Charged Logic, 17.skl-17 Pass Transistor Logic & CMOS Gates, 20.skl-20 Dynamic Shift Registers (contd) & Pre-charged Logic .wmv, 25.skl-25 Programmable Logic Arrays (PLAs), 30.skl-30 Introduction to Gate Arrays & Semiconductor Memories, 32.skl-32 Semiconductor Memories (contd. Semiconductor Device Modeling by Prof. S. Karmalkar,Department of Electronics & Communication Engineering,IIT Madras.For more details on NPTEL visit httpnptel.iitm.ac.in Related Courses ELEC9344 Speech and Audio Processing - PLA Minimisation (Folding) - Other Forms of PLAs - Weinberger Array - Introduction to Gate Arrays & Semiconductor Memories - Semiconductor Memories - Semiconductor Memories (contd.) 2 o Insulator Semiconductor Conductor FiG:1.1 Energy band diagrams insulator, semiconductor and conductor Conductors: A conductor is a material which supports a generous flow of charge when a voltage is applied across its terminals. Module-6 Semiconductor Memories. VLSI Design by NPTEL. Most of these courses consists 40 videos and 1 hour duration each. 17 Pass Transistor Logic & CMOS Gates FreeVideoLectures.com All rights reserved @ 2019, 1.IIT video - 1. 23 Domino CMOS Example NPTEL provides E-learning through online Web and Video courses various streams. An illustration of an audio speaker. Description and comparison of semiconductor memories and utilization process within booting. Overview. 32 Semiconductor Memories (contd.) & Pre Charged Logic (ii) Data Retention Capability Note: Hard-Disk, CD, DVD, Floppy-Disk, Magnetic Tape are also Non Volatile type Memory devices, though they does not come under Semiconductor Memory. These arise from the variety of applications and also the number of technologies available. 2. The semiconductor memory offers high operating speed and has the ability to consume low power. 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