ISSCC 2015
Session 14
Digital Processors
A 5GHz -95dBc-Reference-Spur 9.5mW Digital Fractional-N PLL Using Reference-Multiplied Time-to-Digital Converter and Reference-Spur Cancellation in 65nm CMOS
proposed for a low-power, low-noise fractional-N frequency synthesizer. Among the various innovations, a reference-multiplied architecture offers distinct advantages compared to conventional DPLLs [1]. First, low quantiz
ISSCC 2015
Session 14
Digital Processors
15fJ/b Static Physically Unclonable Functions for Secure Chip Identification with <2% Native Bit Instability and 140× Inter/Intra PUF Hamming Distance Separation in 65nm
Physically unclonable functions (PUFs) enable information security down to the chip level [1-4]. Arrays of PUF bitcells (Fig. 14.3.1) generate chip-specific keys that are unpredictable, repeatable and cannot be measured
ISSCC 2015
Session 14
Digital Processors
A Physically Unclonable Function with BER <10-8 for Robust Chip Authentication Using Oscillator Collapse in 40nm CMOS
Security is a key concern in today’s mobile devices and a number of hardware implementations of security primitives have been proposed, including true random number generators, differential power attack avoidance, and ch
ISSCC 2015
Session 14
Digital Processors
A 0.048mm2 3mW Synthesizable Fractional-N PLL with a Soft Injection-Locking Technique
Systems-onChip (SoCs), which contain microprocessors, I/O interfaces, memories, power management, and communication systems. Fully synthesizable PLLs [1-2], designed using a pure digital design flow, have been proposed t
ISSCC 2014
Session 5
Digital Processors
Haswell: A Family of IA 22nm Processors
Thomas P. Thomas, Christopher Mozak, Brent Boswell, Manoj Lal, Anant Deval, Jonathan Douglas, Mahmoud Elassal, Ankireddy Nalamalpu, Timothy M. Wilson, Matthew Merten, Srinivas Chennupaty, Wilfred Gomes, Rajesh Kumar Inte
ISSCC 2014
Session 5
Digital Processors
A 3GHz 64b ARM v8 Processor in 40nm Bulk CMOS Technology
John Ngai, Russ Homer, Matthew Ashcraft, Greg Favor Applied Micro, Sunnyvale, CA Potenza is a first generation 64b ARM v8 processor and memory sub-system of the X-GeneTM server platform [1]. The Potenza processor module
ISSCC 2014
Session 5
Digital Processors
A Graphics Execution Core in 22nm CMOS
Carlos Tokunaga, Joseph F. Ryan, Charles Augustine, Jaydeep P. Kulkarni, Yi-Chun Shih, Stephen T. Kim, Rinkle Jain, Keith Bowman, Arijit Raychowdhury, Muhammad M. Khellah, James W. Tschanz, Vivek De Intel, Hillsboro, OR
ISSCC 2014
Session 5
Digital Processors
Adaptive Clocking System for Improved Power Efficiency in a 28nm x86-64 Microprocessor
In high-performance microprocessor cores, the on-die supply voltage seen by the transistors is non-ideal and exhibits significant fluctuations. These supply fluctuations are caused by sudden changes in the current consum
ISSCC 2014
Session 5
Digital Processors
Steamroller: An x86-64 Core Implemented in 28nm Bulk CMOS
Stephen Kosonocky2, Robert S. Orefice1, Donald A. Priore1, Jonathan White1, Kathryn Wilcox1 AMD, Boxborough, MA, 2AMD, Fort Collins, CO, 3AMD, Austin, TX 1 The AMD two-core x86-64 CPU module, codenamed “Steamroller”, con
ISSCC 2014
Session 5
Digital Processors
Ivytown: A 22nm 15-Core Enterprise Xeon® Processor Family
dual-threaded 64b Ivybridge cores [1] and 37.5MB shared L3 cache. The system interface includes two on-chip memory controllers, each with two memory channels and supports multiple system topologies. The processor has 4.3
ISSCC 2014
Session 5
Digital Processors
Wide-Frequency-Range Resonant Clock with On-the-Fly Mode Changing for the POWER8TM Microprocessor
4IBM STG, Williston, VT, 5IBM STG, Raleigh, NC 1 3 A resonant-clock design for the IBM POWER8 processor core was implemented with 2 resonant modes (and a non-resonant mode), saving clock power over a wide frequency range
ISSCC 2014
Session 5
Digital Processors
Distributed System of Digitally Controlled Microregulators Enabling Per-Core DVFS for the POWER8TM Microprocessor
Gregory Still3, Ryan Kruse4, Seongwon Kim1, David Boerstler4, Tilman Gloekler5, Raphael Robertazzi1, Kevin Stawiasz1, Timothy Diemoz2, George English2, David Hui2, Paul Muench2, Joshua Friedrich4 IBM, Yorktown Heights, N
ISSCC 2014
Session 5
Digital Processors
POWER8TM: A 12-Core Server-Class Processor in 22nm SOI with 7.6Tb/s Off-Chip Bandwidth
Gregory Still3, Christopher Gonzalez2, Allen Hall1, David Hogenmiller1, Frank Malgioglio4, Ryan Nett1, Jose Paredes1, Juergen Pille5, Donald Plass4, Ruchir Puri2, Phillip Restle2, David Shan1, Kevin Stawiasz2, Zeynep Top
ISSCC 2014
Session 16
Digital Processors
A 23Mb/s 23pJ/b Fully Synthesized True-RandomNumber Generator in 28nm and 65nm CMOS
David Blaauw, Dennis Sylvester locking the oscillation and impacting collapse event time. To measure noise amplitude on-chip, an asynchronous clock samples the supply voltage, compares it with an external reference volta
ISSCC 2014
Session 16
Digital Processors
A 0.19pJ/b PVT-Variation-Tolerant Hybrid Physically Unclonable Function Circuit for 100% Stable Secure Key Generation in 22nm CMOS
Steven K. Hsu, Amit Agarwal, Gregory K. Chen, Rachael J. Parker, Ram K. Krishnamurthy, Vivek De Intel, Hillsboro, OR Physically unclonable function (PUF) circuits are low-cost cryptographic primitives used for generation
ISSCC 2014
Session 16
Digital Processors
A 340mV-to-0.9V 20.2Tb/s Source-Synchronous Hybrid Packet/Circuit-Switched 16×16 Network-onChip in 22nm Tri-Gate CMOS
Sanu K. Mathew, Steven K. Hsu, Amit Agarwal, Ram K. Krishnamurthy, Shekhar Borkar, Vivek De Intel, Hillsboro, OR Energy-efficient networks-on-chip (NoCs) are key enablers for exa-scale computation by shifting power budge
ISSCC 2014
Session 10
Digital Processors
A Multi-Standard 2G/3G/4G Cellular Modem Supporting Carrier Aggregation in 28nm CMOS
Alberth Arvidsson1, Harald Bauer2, Kees van Berkel3, Joaquin Canovas1, Minh Do1, Anders Ekelund1, Torsten Larsson1, Bo Lincoln1, Magnus Malmberg1, Masao Naruse4, Masashi Onishi4, Christer Östberg1, Jean-Paul Smeets3, Mar
ISSCC 2014
Session 10
Digital Processors
A 105GOPS 36mm2 Heterogeneous SDR MPSoC with Energy-Aware Dynamic Scheduling and Iterative Detection-Decoding for 4G in 65nm CMOS
Erik Fischer, Steffen Kunze, Emil Matúš, Gerhard Fettweis, Holger Eisenreich, Georg Ellguth, Stephan Hartmann, Sebastian Höppner, Stefan Schiefer, Jens-Uwe Schlüßler, Stefan Scholze, Dennis Walter, René Schüffny Technisc
ISSCC 2014
Session 10
Digital Processors
A 0.74V 200µW Multi-Standard Transceiver Digital Baseband in 40nm LP-CMOS for 2.4GHz Bluetooth Smart / ZigBee / IEEE 802.15.6 Personal Area Networks
Mario Konijnenburg, Yan Zhang, Jan Stuyt, Maryam Ashouei, Guido Dolmans, Tobias Gemmeke, Harmke de Groot Holst Centre/imec, Eindhoven, The Netherlands Ultra-low-power (ULP), short-range wireless connectivity is becoming
ISSCC 2014
Session 10
Digital Processors
A 90nm 20MHz Fully Nonvolatile Microcontroller for Standby-Power-Critical Applications
Ayuka Morioka1, Kunihiko Ishihara1, Keizo Kinoshita2, Shunsuke Fukami2, Sadahiko Miura1, Naoki Kasai2, Tetsuo Endoh2, Hideo Ohno2, Takahiro Hanyu2, Tadahiko Sugibayashi1 NEC, Tsukuba, Japan, 2Tohoku University, Sendai, J
ISSCC 2014
Session 10
Digital Processors
Heterogeneous Multi-Processing Quad-Core CPU and
Processor Alice Wang1, Tsung-Yao Lin2, Shichin Ouyang3, Wei-Hung Huang2, Jidong Wang1, Shu-Hsin Chang2, Sheng-Ping Chen2, Chun-Hsiung Hu2, Jim C. Tai2, Koan-Sin Tan2, Meng-Nan Tsou2, Ming-Hsien Lee2, Gordon Gammie1, Chi-
ISSCC 2014
Session 10
Digital Processors
A 28nm HPM Heterogeneous Multi-Core Mobile Application Processor with 2GHz Cores and Low-Power 1GHz Cores
Hiroshi Kishibe, Midori Nagayama, Masaaki Taniguchi, Kohei Wakahara, Toshiharu Saito, Masaki Fujigaya, Kazuki Fukuoka, Koji Nii, Takeshi Kataoka, Toshihiro Hattori Renesas Electronics, Tokyo, Japan The worldwide demand f
ISSCC 2014
Session 10
Digital Processors
A 28nm DSP Powered by an On-Chip LDO for High-Performance and Energy-Efficient Mobile Applications
Xufeng Chen2, Maen Alradaideh1, Tom Wernimont1, Kartik Ayyar3, Dan Bui1, Dwight Galbi1, Allan Lester1, Willie Anderson1 Qualcomm, Austin, TX, 2Qualcomm, San Diego, CA, Qualcomm, Bangalore, India 1 The pulsed latches, als
ISSCC 2013
Session 9
Digital Processors
A 646GOPS/W Multi-Classifier Many-Core Processor with Cortex-Like Architecture for Super-Resolution Recognition
autonomic vehicle navigation, smart surveillance and unmanned air vehicles (UAVs) [1-3]. Most of the processors adopt a single classifier rather than multiple classifiers even though multi-classifier systems (MCSs) offer
ISSCC 2013
Session 9
Digital Processors
A 470mV 2.7mW Feature Extraction-Accelerator for Micro-Autonomous Vehicle Navigation in 28nm CMOS
University of Michigan, Ann Arbor, MI Recently, computer vision technologies are being applied to smaller systems such as cell phones, digital cameras, and unmanned surveillance platforms [1]. Feature extraction is a cri
ISSCC 2013
Session 9
Digital Processors
Reconfigurable Processor for Energy-Scalable Computational Photography
photography [1], enable capture and synthesis of images that could not be captured with a traditional camera. Non-linear filtering techniques like bilateral filtering [2] form a significant part of computational photogra
ISSCC 2013
Session 9
Digital Processors
A 249Mpixel/s HEVC Video-Decoder Chip for Quad Full HD Applications
(HEVC) [1] provides 50% improvement in coding efficiency compared to H.264/AVC, to meet the rising demand for video streaming, better video quality and higher resolutions. The coding gain is achieved using more complex t
ISSCC 2013
Session 9
Digital Processors
GFLOPS 240Mpixel/s 1080p 60fps Multi-Format Video Codec Application Processor Enabled with GPGPU for Fused Multimedia Application
Youngeun Park, Chunho Kim, Yunseok Choi, Jinhong Oh, Changhoon Oh, Gurnrack Moon, Sangduk Kim, Horang Jang, Jin-Aeon Lee, Chinhyun Kim, Sungho Park Samsung Electronics, Yongin, Korea 72.5GFLOPS GPGPU computing, 240 Mpixe
ISSCC 2013
Session 9
Digital Processors
A 0.48V 0.57nJ/Pixel Video-Recording SoC in 65nm CMOS
Po-Hao Wang3, Ting-Yu Shyu1, Chien-Yung Chou2, Shien-Chun Luo2, Jiun-In Guo3, Tien-Fu Chen3, Gene C.H. Chuang2, Yuan-Hua Chu2, Liang-Chia Cheng2, Hong-Men Su4, Chewnpu Jou5, Meikei Ieong5, Cheng-Wen Wu2, Jinn-Shyan Wang1
ISSCC 2013
Session 9
Digital Processors
A 28nm High-κ Metal-Gate Single-Chip Communications Processor with 1.5GHz Dual-Core Application Processor and LTE/HSPA+-Capable Baseband Processor
Kohei Wakahara1, Tsugio Matsuyama1, Keiji Hasegawa1, Toshiharu Saito1, Akira Fukuda1, Kaname Teranishi1, Kazuki Fukuoka2, Noriaki Maeda2, Koji Nii2, Takeshi Kataoka1, Toshihiro Hattori1 Renesas Mobile, Tokyo, Japan, Rene
ISSCC 2013
Session 9
Digital Processors
28nm High-κ Metal-Gate Heterogeneous Quad-Core CPUs for High-Performance and Energy-Efficient Mobile Application Processor
Hoi-Jin Lee1, Dongjoo Seo1, Brian Millar2, Yohan Kwon1, Ravi Iyengar2, Min-Su Kim1, Ahsan Chowdhury2, Sung-Il Bae1, Inpyo Hong1, Wookyeong Jeong2, Aaron Lindner2, Ukrae Cho1, Keith Hawkins2, Jae Cheol Son1, Seung Ho Hwan
ISSCC 2013
Session 3
Digital Processors
A 10th Generation 16-Core SPARC64 Processor for Mission-Critical UNIX Server
Sota Sakabayashi1, Yoichi Koyanagi2, Ryuji Iwatsuki1, Kazumi Hayasaka1, Taiki Uemura3, Gaku Ito1, Yoshitomo Ozeki1, Hiroyuki Adachi1, Kazuhiro Furuya1, Tsuyoshi Motokurumada1 Fujitsu, Kawasaki, Japan, 2Fujitsu Laboratori
ISSCC 2013
Session 3
Digital Processors
Bandwidth and Power Management of Glueless 8-Socket SPARC T5 System
Oracle, Santa Clara, CA, 2 Oracle, San Diego, CA 1 Continuous advancement in multicore and multi-threaded design requires optimized integration of hardware and software to address increasing bandwidth and power managemen
ISSCC 2013
Session 3
Digital Processors
A 65nm 39GOPS/W 24-Core Processor with 11Tb/s/W Packet-Controlled Circuit-Switched Double-Layer Network-on-Chip and Heterogeneous Execution Array
programmable multicore processors are drawing attention due to their high flexibility and low implementation cost, yet their performance and energy efficiency still cannot fulfill the demands of many compute-intensive ap
ISSCC 2013
Session 3
Digital Processors
Godson-3B1500: A 32nm 1.35GHz 40W 172.8GFLOPS 8-Core Processor
Shiqiang Zhong2, Huandong Wang2, Zichu Qi1,2, Pengyu Wang1,2, Xiang Gao2, Xu Yang2, Bin Xiao1,2, Hongsheng Wang2, Zongren Yang1,2, Liqiong Yang1,2, Shuai Chen1,2 Chinese Academy of Sciences, Beijing, China, 2 Loongson Te
ISSCC 2013
Session 3
Digital Processors
Jaguar: A Next-Generation Low-Power x86-64 Core
in the standard place and route section. This allows for late changes to the RAMs without affecting the entire core and allows for easier process portability. AMD, Austin, TX “Jaguar” (JG) is the codename for AMD’s follo
ISSCC 2013
Session 3
Digital Processors
A 3.40ms/GF(p521) and 2.77ms/GF(2521) DF-ECC Processor with Side-Channel Attack Resistance
Public-key cryptosystems (Fig. 3.3.1) have been widely developed for ensuring the security of information exchange in network communications, financial markets, private data storage, and personal identification devices.
ISSCC 2013
Session 3
Digital Processors
A 3.6GHz 16-Core SPARC SoC Processor in 28nm
Dawei Huang, Changku Hwang, Daisy Jian, Tim Johnson, Georgios Konstadinidis, Lance Kwong, Robert Masleid, Umesh Nawathe, Aparna Ramachandran, Yongning Sheng, Jinuk Luke Shin, Sebastian Turullois, Zuxu Qin, King Yen Oracl
ISSCC 2013
Session 3
Digital Processors
GHz System z Microprocessor and Multichip Module
Ruchir Puri4, Sean Carey2, Gerard Salem5, Guenter Mayer3, Yiu-Hing Chan2, Mark Mayo2, Adam Jatkowski2, Gerald Strevig6, Leon Sigal4, Ayan Datta7, Anne Gattiker8, Aditya Bansal4, Douglas Malone2, Thomas Strach3, Huajun We
ISSCC 2012
Session 3
Digital Processors
A Reconfigurable Distributed All-Digital Clock Generator Core With SSC and Skew Correction in 22nm High-k Tri-Gate LP CMOS
including CPU, graphics, I/O interface, wireless transceivers and the power management unit, operate at different frequencies as shown in Fig. 3.8.1. In addition, maximizing battery life requires localized dynamic voltag
ISSCC 2012
Session 3
Digital Processors
Resonant Clock Design for a Power-Efficient High-Volume x86-64 Microprocessor
Ann Arbor, MI 1 2 AMD’s 4+ GHz x86-64 core codenamed “Piledriver” employs resonant clocking [1-4] to reduce clock distribution power up to 24% while maintaining a low clock-skew target. To support testability and robust
ISSCC 2012
Session 3
Digital Processors
A 280mV-to-1.2V Wide-Operating-Range IA-32 Processor in 32nm CMOS
Praveen Salihundam1, Shiva Ramani1, Sriram Muthukumar1, Srinivasan M1, Arun Kumar1, Shasi Kumar Gb1, Rajaraman Ramanarayanan1, Vasantha Erraguntla1, Jason Howard2, Sriram Vangal2, Saurabh Dighe2, Greg Ruhl2, Paolo Aseron
ISSCC 2012
Session 3
Digital Processors
An 800MHz 320mW 16-Core Processor with Message-Passing and Shared-Memory Inter-Core Communication Mechanisms
simple programming model. Recently, however, the message-passing mechanism is also drawing attention due to its potentially better scalability [1-2]. In this work, we demonstrate that a hybrid communication mechanism sup
ISSCC 2012
Session 3
Digital Processors
32nm x86 OS-Compliant PC On-Chip with Dual-Core Atom® Processor and RF WiFi Transceiver
Rahul Limaye3, Jon Duster1, Yulin Tan1, Ajay Balankutty1, Erkan Alpman1, Chun Lee1, Satoshi Suzuki1, Brent Carlton1, Hyung Seok Kim1, Marian Verhelst1, Stefano Pellerano1, Tong Kim2, Durgesh Srivastava1, Satish Venkatesa
ISSCC 2012
Session 3
Digital Processors
The Next-Generation 64b SPARC Core in a T4 SoC Processor
Youngmoon Choi, Harikaran Sathianathan, Sudesna Dash, Sebastian Turullols, Song Kim, Robert Masleid, Georgios Konstadinidis, Robert Golla, Mary Jo Doherty, Greg Grohoski, Curtis McAllister Oracle, Santa Clara, CA The T4
ISSCC 2012
Session 3
Digital Processors
A 32-Core RISC Microprocessor with Network
Brian Miller, Derek Brasili, Tim Kiszely, Rob Kuhn, Rahul Mehrotra, Manan Salvi, Mandar Kulkarni, Anand Varadharajan, Shi-Huang Yin, William Lin, Adam Hughes, Bill Stysiack, Vasu Kandadi, Ilan Pragaspathi, Dan Hartman, D
ISSCC 2012
Session 3
Digital Processors
A 22nm IA Multi-CPU and GPU System-on-Chip
processor codenamed Ivy Bridge that integrates up to four high-performance Intel Architecture (IA) cores, a power/performance optimized graphics/media processing unit (GPU), as well as memory, PCIe, and display controlle
ISSCC 2012
Session 12
Digital Processors
A 2Gpixel/s H.264/AVC HP/MVC Video Decoder Chip for Super Hi-Vision and 3DTV/FTV Applications
Shanghai Jiao Tong University, Shanghai, China 1 2 8K×4K Super Hi-Vision (SHV) offers a significantly enhanced visual experience relative to 1080p, and is on its way to being the next digital TV standard. In addition, ad
ISSCC 2012
Session 12
Digital Processors
A 464GOPS 620GOPS/W Heterogeneous Multi-Core SoC for Image-Recognition Applications
popular recently in a variety of industries such as automotive, surveillance, and others. SoCs for such image recognition applications are required to be powerful enough to support real-time multiple object recognition,
ISSCC 2012
Session 12
Digital Processors
A 320mW 342GOPS Real-Time Moving Object Recognition Processor for HD 720p Video Streams
unmanned aerial vehicles (UAVs) and mobile augmented reality that require robust and fast recognition in the presence of dynamic camera noise. Devices in such applications suffer from severe motion/camera blur noise in l