參數(shù)資料
型號： AMDOPTERON
英文描述： AMD Opteron - AMD Opteron Processor Data Sheet
中文描述： AMD Opteron處理器- AMD Opteron處理器的數(shù)據(jù)資料
文件頁數(shù)： 75/81頁
文件大小： 1189K
代理商： AMDOPTERON
Chapter 7
Electrical Data
75
23932 Rev 3.00 April 2003
AMD Opteron
Processor Data Sheet
2. VTT must both sink and source current.
3. Current slew rates are controlled by ramping up or down the core frequency in steps during these sequences to control
in-rush currents.
4. VDDIO current is consumed by I, O, I/O switching current and on-chip functions (
PDL, DLL, level-shifters, etc.).
5. VTT current is consumed by I, O, I/O switching current and on-chip functions (PDL, DLL, level-shifters, etc.).
6. This is the VID that the processor will request.
7. For example, the IDDslew1 calculation for a 1.2-GHz part is (.0583 x 1200) = 69.96 A/
μ
s.
8. The processor
’
s VID[4:0] outputs select VID_PON nom before PWROK is asserted. Transients up to VDD_max are
allowed.
9. VDDIO_ac and VTT_ac parameters are measured +/- 1ns of all data bus bits switching.
Notes:
1. Defined as IDD_max at VDD_typ.
2. Defined as IDDIO_typ at VDDIO_typ
–
VOH_min. This determines the power dissipated on the CPU. The remainder
of the power for VDDIO is dissipated in the off-chip termination. IDDIO_max should be used for power supply design.
3. Defined as ILDT_max at VLDT_typ and includes power for three 16x16-bit HyperTransport
links operating at a
speed of 800 MHz /1600 MT/s.
4. Defined as ITT_max at VTT_typ. Includes I/O for DDR SDRAM and miscellaneous outputs and internal current
consumption.
7.5.2
Power Supply Relationships
7.5.2.1
Sequencing Relationships
Power supply relationships during power-up, power-down, and entry and exit of any power
management state must be controlled in order to avoid damage to the device and help ensure proper
operation of the device. Figure 12 shows an example of how these relationships can be maintained by
system power generation and distribution schemes. VTT and VDDIO are considered SUSPEND
planes and are powered in the S0 (working) state and the S1 and S3 sleep states. VDDA, VDD, and
VLDT are considered RUN planes and are powered in the S0 and S1 states only. All power supplies
should be turned off during the S4 (SUSPEND to DISK) and S5 (SOFT-OFF) states. VDDIO (RUN)
is a power rail used for pull-ups on some processor signals that connect to devices that are powered
off during S3, such as THERMTRIP_L.
Table 33. Thermal Power
Symbol
Parameter
Unit
Min
Typ
Max
Notes
PVDD
VDD Thermal Power
W
80.6
1
PVDDIO
VDDIO Thermal Power
W
1.960
2
PVLDT
VLDT Thermal Power
W
1.80
3
PVTT
VTT Thermal Power
W
0.250
4
PVDDA
VDDA Thermal Power
W
0.083
PThermal
Total Thermal Power
W
84.7
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