Intel Itanium Processor 9300 Series and 9500 Series

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Electrical Specifications Table 2-17. FMB 155W/185W Current Specifications for the Intel ® Itanium ® Processor 9300 Series Symbol Parameter Max Units Notes I CC_CORE I CC for core 180 A I CC_CORE_TDC Thermal Design Current for Core 131 A 1 I CC_CORE_STEP Max Load step for core 95 A 2 d ICC_CORE/dt Slew rate for core at Ararat output 154 A/us I CC_UNCORE I CC for uncore 50 A I CC_UNCORE_TDC Thermal Design Current for Uncore 43 A 3 I CC_UNCORE_STEP Max Load step for uncore 22 A 4 dI CC_UNCORE/dt Slew rate for uncore at Ararat output 75 A/us I CC_IO I CC for processor I/O 22 A 5 I CC_Analog I CC for processor Analog 4 A I CC33_SM I CC33 for main supply 200 mA Notes: 1. ICC_CORE_TDC is the sustained (DC equivalent) current that the processor core is capable of drawing indefinitely and should be used for the Ararat voltage regulator temperature assessment. The Ararat voltage regulator is responsible for monitoring its temperature and asserting the VR_FAN_N, VR_THERMALERT_N, VR_THERMTRIP_N signals sequentially to inform the processor and platform of a thermal excursion. Of the three signals, only VR_THERMALTERT_N is monitored by the processor. Please see the Ararat Voltage Regulator Module Design Guide for further details. The processor is capable of drawing ICC_CORE_TDC indefinitely. Refer to Figure 2-9 for further details on the average processor current draw over various time durations. This parameter is based on design characterization and is not tested. 2. During system power on, the pulse inrush (ICC_CORE_STEP) can be as high as 130A peak-to-peak. 3. ICC_UNCORE_TDC is the sustained (DC equivalent) current that the processor uncore is capable of drawing indefinitely and should be used for the Ararat voltage regulator temperature assessment. The Ararat voltage regulator is responsible for monitoring its temperature and asserting the VR_FAN_N, VR_THERMALERT_N, VR_THERMTRIP_N signals sequentially to inform the processor and platform of a thermal excursion. Of the three signals, only VR_THERMALTERT_N is monitored by the processor. Please see the Ararat Voltage Regulator Module Design Guide for further details. The processor is capable of drawing ICC_UNCORE_TDC indefinitely. This parameter is based on design characterization and is not tested. 4. During system power on, the pulse inrush (ICC_UNCORE_STEP) can be as high as 40A peak-to-peak. 5. The ICC_IO current specification applies to the total current from VCCIO pins. Figure 2-9. Processor I CC_CORE Load Current versus Time IMax Sustained Current (A) ITDC 0.01 0.1 1 10 100 1000 Time Duration (us) 42 Intel ® Itanium ® Processor 9300 Series and 9500 Series Datasheet
Electrical Specifications 2.6.2 Flexible Motherboard Guidelines for the Intel ® Itanium ® Processor 9500 Series The Flexible Motherboard (FMB) guidelines are estimates of the maximum ratings that the processor will have over certain time periods. The ratings are only estimates as actual specifications for future processors may differ. The processor may or may not have specifications equal to the FMB value in the foreseeable future. Table 2-18 defines the FMB voltage specification values applied to the 130 W and 170 W SKUs for the Intel ® Itanium ® Processor 9500 Series. Current specifications are identified for each processor SKU separately in Table 2-19. Table 2-18. FMB Voltage Specifications for the Intel ® Itanium ® Processor 9500 Series Symbol Parameter Min Typ Max Units Notes CVID Range VCCCORE VID Range 0.800 1.105 1.22 V 1 CVID Boot VCCCORE VID default value 0 V 1 UVID Range VCCUNCORE VID Range 0.800 0.975 1.19 V 1 UVID Boot VCCUNCORE VID default value 1.0 V 1 VCCUNCORE Processor uncore supply voltage See Table 2-23 and Figure 2-15 V 2, 1 VCCCORE Processor core supply voltage See Table 2-24 and Figure 2-14 V 2, 3, 4 VID Transition VID step size during transition ± 5 mV VID_DCshift VCCIO VCCIO VCCIO Notes: Total allowable DC load line shift from VID steps. Processor I/O supply voltage at die including all AC and DC Processor I/O supply voltage (high frequency AC p-p noise at die) Processor I/O supply voltage at package pin including all AC and DC -420 mV 5 1.011 1.050 1.094 V 6 35 mV 1.026 1.075 1.088 V 7 VCCA Processor analog supply voltage (DC spec) 1.764 1.8 1.836 V 8 VCCA VCCA Processor analog supply voltage (AC tolerance for noise at scope full bandwidth) Processor analog supply voltage (AC tolerance for noise > 1MHz) VCCA Processor analog supply voltage (Total = DC spec + AC tolerance) VCCA Ramp Min time allowed to ramp VCCA from 10% to 90% typical value 1.8 ±25 mV 8, 9 1.8 ±15 mV 9, 10 1.739 1.8 1.861 V 1 10 ms VCC33_SM 3.3 V supply voltage 3.135 3.3 3.465 V 1. The voltage specification requirements are measured across the VCCUNCORESENSE and VSSUNCORESENSE pins using an oscilloscope set to a 100 MHz bandwidth and probes that are 1.5 pF maximum capacitance and 1 mOhms minimum impedance at the processor socket. The maximum length of ground wire on the probe should be less than 5 mm. Ensure external noise from the system is not coupled into the scope probe. 2. These voltages are target only. A variable voltage source should exist on systems in th e event that a different voltage is required. See the Ararat II Voltage Regulator Module Design Guide for more information. 3. Uncore and Core voltage and Current Rating are at the Package Pad. 4. The voltage specification requirements are measured across the VCCCORESENSE and VSSCORESENSE pins using an oscilloscope set to a 100 MHz bandwidth and probes that are 1.5 pF maximum capacitance and 1 mOhms minimum impedance at the processor socket. The maximum length of ground wire on the probe should be less than 5 mm. Ensure external noise from the system is not coupled into the scope probe. 5. Warm boot reset, only in downward direction. 6. Min and Max range is spec at the die for VCCIO. This range includes 35 mV p-p AC noise. It also includes any DC and AC tolerances at package pin. Intel ® Itanium ® Processor 9300 Series and 9500 Series Datasheet 43
Page 1 and 2: Intel ® Itanium ® Processor 9300
Page 3 and 4: Contents 1 Introduction............
Page 5 and 6: Figures 1-1 Intel ® Itanium ® Pro
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Intel Itanium Processor 9300 Series and 9500 Series

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