Datasheet

Intel
®
Xeon
®
Processor C5500/C3500 Series
January 2010 Datasheet, Volume 1
Order Number: 323103-001 513
Electrical Specifications
13.6.8 Reset and Micscellaneous DC Specifications
13.6.9 Thermal DC Specification
Table 172. Reset and Miscellaneous Signal Group DC Specifications
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage 0.64
*
V
TTA
V2,3
V
IH
Input High Voltage 0.76
*
V
TTA
V2
V
OL
Output Low Voltage
V
TTA
* R
ON
/
(R
ON
+ R
SYS_TERM
)
V2,4
V
OH
Output High Voltage V
TTA
V2
ODT On-Die Termination 45 55 5
R
ON
Buffer On Resistance 10 18 Ohms
Notes:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. The V
TTA
referred to in these specifications refers to instantaneous V
TTA
.
3. Based on a test load of 50 Ohms to V
TTA.
4. R
SYS_TERM
is the termination on the system and is not controlled by the Intel
®
Xeon
®
processor
C5500/C3500 series.
5. Applies to all signals, unless otherwise mentioned in Table 159.
Table 173. Thermal Signal Group DC Specification
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage 0.64
*
V
TTA
V2,3
V
IH
Input High Voltage 0.76
*
V
TTA
V2
V
IL
Input Low Voltage
(PECI_ID#)
0.22 V 7
V
IH
Input High Voltage
(PECI_ID#)
0.6 V 7
V
OL
Output Low Voltage
V
TTA
* R
ON
/
(R
ON
+ R
SYS_TERM
)
V2,4
V
OH
Output High Voltage V
TTA
V2
ODT On-Die Termination 45 55 5
R
ON
Buffer On Resistance 10 18 Ohms
I
LI
Input Leakage Current ± 200 μA6
Notes:
1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. The V
TTA
referred to in these specifications refers to instantaneous V
TTA
.
3. Based on a test load of 50 Ohms to V
TTA.
4. R
SYS_TERM
is the termination on the system and is not controlled by the Intel
®
Xeon
®
processor
C5500/C3500 series.
5. Applies to all Thermal signals, unless otherwise mentioned in Table 159.
6. Applies to PROCHOT# signal only. See Section 13.1.10.3.2 and Section 8.1 for information regarding
Power-On Configuration options.
7. This specification only applies to PECI_ID#. This specification includes hysteresis values.