2x density improvement vs. NAND, with similar number of litho steps. 1 million cycles, higher performance. Ion-cut vs. other types of stacked Si. ... poly Si 3D doesn’t work for DRAM (unlike NAND flash) due to leakage. Scalability. MonolithIC 3D Inc. Patents Pending. Scalability.
Date added: May 19, 2013 - Views: 6
MonolithIC 3D Flash vs. Conventional NAND vs. BiCS. MonolithIC. 3D Flash. 4x improvement in density at similar number of litho steps. Manufacturable. aspect ratios. ... Monolithic 3D DRAM, Resistive MemoriesShared litho architectures enabled by c-Si stacking.
Date added: September 11, 2012 - Views: 40
DRAM vs. NAND. DRAM: provides temporary data retention. Volatile (no power no data) Needs refresh (leaky) Short term. Used in computers, servers, cars, cell . phones and many other devices. (Data from slow hard drive is transferred to DRAM for easy access by fast CPU)
Date added: April 23, 2014 - Views: 5
Majority of Micron’s operations require raw materials obtained from limited number of suppliers. ... Volatile average selling prices(ASP) in NAND and DRAM market. Exposed to significant liabilities related to products that are incompatible to end users.
Date added: May 15, 2013 - Views: 3
Non-volatile Memory EEPROM – electrically erasable memory, a general-term this is a historical term to differentiate from an older type of memory that used UV-light to for eraser
Date added: January 16, 2014 - Views: 2
... Styles Unusual Dual-Vdd/Dual-Vth Circuits Architectural Impact Other ongoing work Conclusions FinFET SRAM and Embedded DRAM Design FinE: Two-tier FinFET simulation framework for ... NAND Gates Comparing Logic Styles FinFET Circuit Power Optimization Power Consumption of Optimized ...
Date added: October 13, 2011 - Views: 276
... CMOS NAND Several devices in series each with ... tr = tf = trf Power Meter for use in SPICE Simulation Add a zero value voltage source Vs in series with VDD ... has quantified the reduction in dimensions and increase in density and performance 4X increase in DRAM and ...
Date added: September 21, 2011 - Views: 96
... NAND Gate Version A CMOS SR latch built with two 2-input NAND gates is shown at left The basic memory cell comprised of two back-to-back CMOS inverters ... much like a DRAM sense amplifier When clock is low P1 & P2 precharge while N1 pulls down the N tree logic causing a differential ...
Date added: October 12, 2011 - Views: 97
DRAM cell Architecture of a DRAM cell Read destroys information, therefore it has to be written back. Cycle time ... Isolation is damaged by reset. NOR vs NAND NAND more compact since less wires, although more transistors read: offset power for other FETs NOR Single and Multi Level Cells ...
Date added: December 11, 2013 - Views: 8
DRAM; Flash. Image sensors. FPGAs. PLAs. ... Static CMOS gate vs. LUT Number of transistors: NAND/NOR gate has 2n transistors. 4-input LUT has 128 transistors in SRAM, 96 in multiplexer. Delay: 4-input NAND gate has 9t delay. SRAM decoding has 21t delay.
Date added: September 18, 2012 - Views: 9
Samsung Electronics and the Chinese Threat MBA 290G Fall ‘07 Prof Charles Wu TEAM 9 Alex Mehr, Bindiya Jadhwani, Kerem Tutuncu, Lucian Popa, Rodrigo Fonseca, Uttara Parikh
Date added: September 13, 2011 - Views: 68
NOR vs. NAND. Serial NOR 512K-1Gb. Parallel NOR 4Mb-2Gb. SLC NAND 128Mb-64GB. MLC NAND 2GB-128GB. Managed NAND 2GB-64GB. ... The DRAM uses a capacitor as its storage mechanism, hence . dynamic. The capacitor is either charged to a full V DD level (Logic 1) or Ground (Logic 0).
Date added: December 14, 2013 - Views: 10
DRAM Buffer. Faster than HDD. Less overheads. We are carefully using them!! Reads. Writes. Read Cache. Memory Extension. Read-Only Storage. Burst Buffer. Checkpointing. Swap/Hibernation Management. Virtual Memory. Then, why do we need to rethink? NAND Core. Packaging. Architecture. Firmware/OS ...
Date added: March 26, 2014 - Views: 1
Digital Logic Test Data Volume DRAM Trends vs. Fcst Speculative beyond DDR3 Cell size remains 6F2 Increased I/O rate in 2007 to support revised DDR4 DDR6 model Density aligned to litho roadmap NAND Trends vs. Fcst Density growth has flattened slightly Litho has caught up 4F2 Cell size (SBC) 3 ...
Date added: April 24, 2012 - Views: 16
DRAM. PCM-Large “ memorage ” [Jung ... PCM can help ease NAND write complexities. E.g., [Sun et al., HPCA ’09][Kim et al., EMSOFT ’08] NAND write endurance worse than PCM by orders of mag. Total write data volume = C(PCM)×10xxx + C(NAND) ×10yyy. NAND latency slower than PCM.
Date added: May 6, 2013 - Views: 5
System DRAM. PCI E-(optionally on MCH) Cache. Add-in. Card. Build Option 1 . PC Add-in Card-or -Soldered to . Motherboard. SSD. Build Option 3. ... NAND Flash is the lowest cost, nonvolatile memory available today. Major applications are SSD and mobile devices.
Date added: October 7, 2011 - Views: 19
Flash Memory based Storage (CSE598D) Thursday April 5, 2007 Youngjae Kim Disk Drive vs. Flash Memory MOS (Metal-Oxide Semiconductor) Memory Hierarchy History of Flash Memory NOR and NAND Flash Array NOR and NAND Flash Array NAND Flash Memory – Program/Erase F-N tunneling Give a higher voltage ...
Date added: December 11, 2013 - Views: 6
There is an implementation dependent delay from X to Y. Transistor-level Logic Circuits - NAND Inverter (NOT gate): NAND gate Logic Function ... Row and Column Address together select 1 bit a time DRAM with Column buffer Digital Arithmetic Circuit design for unsigned addition Full ...
Date added: February 26, 2012 - Views: 39
Therefore, you can implement any truth table using only NAND (or NOR) gates. * NAND and NOR are not associative. Jim Conrad’s ... A B C 0 0 0 0 1 0 1 0 0 1 1 1 3-* Basic Logic Gates 3-* DeMorgan's Law ... data as long as power applied Dynamic RAM (DRAM) slower but denser, bit storage ...
Date added: November 12, 2013 - Views: 5
... DRAM [Adapted from Rabaey’s Digital Integrated Circuits, Second Edition, ©2003 J. Rabaey, A ... more power (3 WL switch vs. 1 WL in NAND) Essentially a 2**k input multiplexer Can run the NOR decoder while the row decoder and core are working – so only have 1 extra transistor in ...
Date added: February 8, 2013 - Views: 14
... (SRAM) fast, maintains data without power Dynamic RAM (DRAM) slower but denser, bit storage must be periodically refreshed Also, non-volatile memories: ROM, PROM, ... NOR Gate OR Gate NAND Gate (AND-NOT) AND Gate Basic Logic Gates More than 2 Inputs?
Date added: December 12, 2011 - Views: 50
... Density Achieving the highest capacity / volume ratio 3D vs. ... > 100K t < 100 µm NAND Flash Flash Flash Flash Flash Flash Flash Flash Si Interposer NAND Flash NAND Flash NAND Flash NOR Flash DRAM ASIC Si Interposer 3D SiP “3D Fusion” Era 3 5 3D RF-SiP Vias < 1 µm ...
Date added: June 1, 2013 - Views: 210
Read Only Memory (ROM) Random Access Memory (RAM) Static RAM (SRAM) Dynamic RAM (DRAM) Picture of ... Why use latches instead of flip flops? A latch can be made with only two NAND or ... DRAM Cell DRAM Cell Read DRAM Cell Write DRAM Bit Slice DRAM Including Refresh Logic Dynamic vs ...
Date added: July 19, 2012 - Views: 31
Advanced Information Storage 12 Atsufumi Hirohata Department of Electronics 17:00 11/November/2013 Monday (AEW 105) * * * * * * * * * * * * * * Quick Review over the Last Lecture Flash memory : NOR-type 1 byte high-speed read-out Low writing speed Difficult to integrate NAND-type High writing ...
Date added: November 11, 2013 - Views: 3
Overall Roadmap Technology ... (21) ORTC Table 1 plus 2013 ITRS considerations (22) SICAS Capacity analysis update (23,24) DRAM and Flash Functions/Chip 2009 ITRS vs. 2011 ITRS (2 foils ... 2011-2026 PIDS NAND Flash Multi-Layer 3D Model vs. “Slower” Poly half-pitch ...
Date added: December 29, 2012 - Views: 66
DRAM Operates at uP clock speed up to 1.6 GB/sec bandwidth Highly parallel: ... 1 Gbit Flash Memory Writing Flash Memory 125mm2 1Gbit NAND Flash Memory 125mm2 1Gbit NAND Flash Memory Semiconductor Memory Trends (up to the 90’s) Semiconductor Memory Trends ...
Date added: May 11, 2013 - Views: 21
If more than one are present, then all must be 0 in order to perform a read or write. SRAM vs. DRAM SRAMs SRAMs used for ... (FFFF0H). NAND gate decoders are not often used ... 8255 Block Diagram Pin layout of 8255 Interfacing 8255 PPI That’s all Interface 8088 I/F with basic IO, RAM ...
Date added: September 17, 2011 - Views: 26
... (NOT Gate) NOR Gate OR Gate NAND Gate (AND ... Four-bit Adder Logical Completeness Can implement ANY truth table with AND, OR, NOT. Combinational vs ... basic kinds of RAM (Random Access Memory) Static RAM (SRAM) fast, maintains data as long as power applied Dynamic RAM (DRAM ...
Date added: May 17, 2013 - Views: 7
... (6 transistors/bit vs. 1 transistor Size: DRAM/SRAM 4-8, Cost/Cycle ... denser, must be read and written in blocks NOR: much less dense, fast to read and write Samsung 2007: 16GB, NAND Flash 4/18/2011 cs252-S11, Lecture 22 * Tunneling Magnetic Junction RAM (TMJ-RAM) Speed of SRAM ...
Date added: May 3, 2013 - Views: 10
Introduction to Flash Memory 2006. 11. 15. Mobile Embedded System Lab. Kiseok, Choi Table of Contents Stateless PC Flash Memory Basics NAND vs. NOR SLC vs. MLC NAND Flash Memory FTL (Flash Translation Layer) An FTL Design Based on Log Blocks The Log Block The Map Block SSD (Solid State Disk ...
Date added: October 22, 2011 - Views: 28
... (product of sums) NAND-NAND (sum of products ... (DRAM) Initialized in its ... V DD BL BL SE SE Charge-Redistribution Amplifier Concept M 2 M 3 M 1 V L V S V ref C small C large Transient Response Vs prechrged to VDD and VL to Vref-Vth M1 is cut off When M2 pulls down M1 conducts and Vs is ...
Date added: November 28, 2013 - Views: 12
CPU, DRAM, and HDD. Everything is speeding up.. Except the HDD. Processor: Multi-core. Higher bandwidth . Memory: Larger footprint. Higher bandwidth. ... NAND Characteristics. P/E Cycles. WAF. TBW / WPD. SMART. Host Interface. Sustained vs. Peak Performance. Benchmarking. SSD Influencers.
Date added: June 30, 2014 - Views: 1
DRAM – Reduced-memory exascale. Overfetch, leakage, refresh, scrubbing. Giridhar et al, SC 13: 100PB can be achieved at 4.7 MW. ... 3D NAND Flash is BIG. 128Gb chips reported (vs. 4-8 Gb for DRAM). But .. Characteristics. Flash in Exascale Systems.
Date added: June 2, 2014 - Views: 1
Tri-state buffers Flip-flops vs. latches revisited Overview of Physical ... Simple system design (mostly software development) Memory chips (DRAM, SRAM) Application specific ICs (ASICs) custom designed to match ... NAND gate Note: out = 0 iff both a AND b = 1 therefore out = (ab ...
Date added: May 5, 2013 - Views: 7
No refresh (6 transistors/bit vs. 1 transistor. Size: DRAM/SRAM 4-8, Cost/Cycle time: SRAM/DRAM 8-16. Core Memories (1950s & 60s) ... NAND: denser, must be read and written in blocks. NOR: much less dense, fast to read and write. Samsung 2007:
Date added: February 27, 2014 - Views: 3
NAND is serial at the cell level. NAND writes significantly faster than NOR. NAND erases much faster than NOR--4 ms vs. 5 s. Serial array of transistors. Each transistor holds 1 ... Some manufacturers off set this with a large DRAM buffer and also may allow you to change the size of the over ...
Date added: May 3, 2013 - Views: 12
Solid-state drive (SSD) NAND Flash memory. Flash Translation Layer (FTL) Block storage interface. Persistent. Random-access. Low power. ... Maybe niche apps for enterprise SSD. Too big for DRAM, small enough for flash. And huge appetite for IOPS. Single-request latency. Power. Fast persistence ...
Date added: May 5, 2013 - Views: 7
* Relative Latencies: 10ns 100ns 1us 10us 100us 1ms 10ms NAND Flash PCM DRAM Hard Disk NAND Flash PCM DRAM Hard Disk Read Write Challenge: ...
Date added: December 12, 2013 - Views: 3
Cs / (Cs+CBL) Dynamic RAM 1-Transistor Cell: Observations DRAM memory cell is single-ended Read operation is destructive Unlike 3T cell, ... ROM Cells: Summary Mask programmability Precharged vs. pseudo-nMos NAND cell, NOR cell Area Speed Other types: EEPROM, etc. Outline Registers ...
Date added: September 20, 2011 - Views: 44
Title: Evolution of implementation technologies Author: LIS Last modified by: George Porter Created Date: 10/25/1997 2:15:18 PM Document presentation format
Date added: June 26, 2012 - Views: 16
Inverter (NOT Gate) NOR Gate OR Gate NAND Gate (AND-NOT) AND Gate Basic Logic Gates Fundamental Properties of boolean algebra ... (SRAM) fast, maintains data without power Dynamic RAM (DRAM) slower but denser, bit storage must be periodically refreshed State Machine Another type of ...
Date added: August 1, 2013 - Views: 10
... # errors (of a block) increases, then read data and re-write it (to the same or other block) Similar to self refresh in DRAM [Source: Micron, 2008] ESA ... Intel SSD NOR vs. NAND Summary Area Efficiency NAND Flash Memory Circuit NAND Program & Erase Bias Conditions for Erase ...
Date added: November 1, 2011 - Views: 26
(The situation becomes more acute in going from single-die packages such as FCBGA to multi-die 3D SiPs such as 2.5D and 3D ICs.) As shown by this DRAM ... Frictionless Vehicles Lab-on-a-chip Molecular Sensor Nonobots Self-illuminating Highway CMOS Image Sensor Memory SRAM/DRAM NAND ...
Date added: October 22, 2011 - Views: 190
... (between disk and DRAM) Flash Types NOR flash: bit cell like a NOR gate Random read/write access Used for instruction memory in embedded systems NAND flash: bit cell like a NAND gate Denser ... and Support I/O vs. CPU Performance Amdahl’s Law Don’t neglect I/O performance as ...
Date added: May 3, 2013 - Views: 8
Content Addressable Memories Cell Design and Peripheral Circuits CAM: Introduction CAM vs. RAM CAM: Introduction Binary CAM Cell ML pre-charged to VDD Match: ML remains at VDD Mismatch: ML discharges CAM: Introduction Ternary CAM (TCAM) CAM: Introduction TCAM Cell Global Masking SLs Local ...
Date added: May 21, 2013 - Views: 3
Similar to self refresh in DRAM [Source: Micron, 2008] ESA, POSTECH, 2010. Agenda. NAND Flash memory. Internal operations and reliability. ... NAND vs. NOR: Required Pins. NAND utilizes multiplexed I/O (I/O[7:0] in the table) for commands and data.
Date added: May 2, 2013 - Views: 7
Sequential VS combinational logic Combinational devices: operate ... (“static”), typically used for the cache DRAM (“dynamic”), typically used for main memory Disk (Elaborate caching / paging algorithms) A Flip-flop can be built from Nand gates But ... real memory units are highly ...
Date added: May 13, 2013 - Views: 3
NAND Flash. Microprocessors. DRAM. Computing. Communication. Consumer. Automotive. Industrial/Military. Major Market Segments. ... vs. Automobiles. Year. Speed. Capacity. Cost. 1983. Automobile ~200 mph. 17 mpg. $8500 ($ 20,000 in 2013 $) Integrated. Circuit. 8 MHz (Intel 286) 130,000.
Date added: February 25, 2014 - Views: 6
... the operating system is loaded Computer Architecture 2009 – PC Structure and Peripherals * Memory SRAM vs. DRAM ... DDR266 133 MHz 64 Bit 2,1 GB/s PC2100 DDR266 Dual 133 MHz 2 x 64 Bit 4,2 GB/s PC2700 DDR333 166 MHz 64 Bit 2,7 GB/s PC2700 ... (e.g. BIOS, cell phone SW) NAND ...
Date added: May 3, 2013 - Views: 9