Datasheet
Intel
®
Xeon
®
Processor 5500 Series Datasheet, Volume 1 41
Intel® Xeon® Processors 5500 Series Electrical Specifications
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 Ω to V
TTA
.
4. For V
IN
between 0 V and V
TTA
. Measured when the driver is tristated.
5. V
IH
and V
OH
may experience excursions above V
TT
.
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 Ω to V
TTA
.
4. For V
IN
between 0 V and V
TTA
. Measured when the driver is tristated.
5. V
IH
and V
OH
may experience excursions above V
TT
.
6. R
SYS_TERM
is the termination on the system and is not controlled by the Intel Xeon Processor 5500 Series
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 Ω to V
TTA
.
4. For V
IN
between 0 V and V
TTA
. Measured when the driver is tristated.
5. V
IH
and V
OH
may experience excursions above V
TT
.
Table 2-14. RESET# Signal DC Specifications
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage 0.60
*
V
TTA
V2,3
V
IH
Input High Voltage 0.70
*
V
TTA
V2,3,5
R
ON
Processor Sideband Buffer
On Resistance
10 18 Ω
I
LI
Input Leakage Current ± 200 μA4
Table 2-15. TAP Signal Group DC Specifications
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage 0.40
*
V
TTA
V2,3
V
IH
Input High Voltage 0.60
*
V
TTA
V2,3,5
V
OL
Output Low Voltage V
TTA
* R
ON
/
(R
ON
+ R
SYS_TERM
)
V2,6
V
OH
Output High Voltage V
TTA
V2,5
R
ON
Processor Sideband Buffer
On Resistance
10 18 Ω
I
LI
Input Leakage Current ± 200 μA4
Table 2-16. PWRGOOD Signal Group DC Specifications
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage for
VTTPWRGOOD and
VCCPWRGOOD signals
0.25
*
V
TTA
V2,3
V
IL
Input Low Voltage for
VDDPWRGOOD signal
0.29 V 3
V
IH
Input High Voltage for
VTTPWRGOOD and
VCCPWRGOOD signals
0.75
*
V
TTA
V2,3
V
IH
Input High Voltage for
VDDPWRGOOD signal
0.87 V 3
ODT On-Die Termination 45 55
R
ON
Processor Sideband Buffer
On Resistance
10 18 Ω
I
LI
Input Leakage Current ± 200 μA4