Adaptive Frequency and Biasing Techniques for Tolerance to Dynamic Temperature-Voltage Variations and Aging

Adaptive Frequency and Biasing Techniques for Tolerance to Dynamic Temperature-Voltage Variations and Aging

Temperature, voltage, and current sensors monitor the operation of a TCP/IP offload accelerator engine fabricated in 90nm CMOS, and a control unit dynamically changes frequency, voltage, and body bias for optimum performance and energy efficiency. Fast response to droops and temperature changes is e...

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Hauptverfasser: Tschanz, James, Kim, Nam Sung, Dighe, Saurabh, Howard, Jason, Ruhl, Gregory, Vangal, Sriram, Narendra, Siva, Hoskote, Yatin, Wilson, Howard, Lam, Carol, Shuman, Matthew, Tokunaga, Carlos, Somasekhar, Dinesh, Tang, Stephen, Finan, David, Karnik, Tanay, Borkar, Nitin, Kurd, Nasser, De, Vivek
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Aging
Clocks
Energy efficiency
Engines
Frequency
Monitoring
TCPIP
Temperature control
Temperature sensors
Voltage control
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Beschreibung
Zusammenfassung:Temperature, voltage, and current sensors monitor the operation of a TCP/IP offload accelerator engine fabricated in 90nm CMOS, and a control unit dynamically changes frequency, voltage, and body bias for optimum performance and energy efficiency. Fast response to droops and temperature changes is enabled by a multi-PLL clocking unit and on-chip body bias. Adaptive techniques are also used to compensate performance degradation due to device aging, reducing the aging guardband.
ISSN:0193-6530
2376-8606
DOI:10.1109/ISSCC.2007.373409