User Manual
Intel
®
Xeon
®
Processor 5600 Series Datasheet Volume 1 45
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. For V
IN
between 0 V and V
TTA
. Measured when the driver is tri-stated.
4. V
IH
and V
OH
may experience excursions above V
TT
. However, input signal drivers must comply with the
signal quality specifications in Section 3.
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. For V
IN
between 0 V and V
TTA
. Measured when the driver is tri-stated.
4. V
IH
may experience excursions above V
TT
. However, input signal drivers must comply with the signal quality
specifications in Section 3.
5. This specification applies to the VCCPWRGOOD and VTTPWRGOOD signals.
6. This specification applies to the VDDPWRGOOD signal.
Table 2-16. TAP Signal Group DC Specifications
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage
0.40 * V
TTA
V2
V
IH
Input High Voltage
0.60 * V
TTA
V2,4
V
OL
Input Low Voltage
V
TTA *
R
ON
/ (R
ON
+ R
sys_term
)
V2
V
OH
Input High Voltage
V
TTA
V2,4
R
ON
Buffer On Resistance
10 18
I
LI
Input Leakage Current ± 200 A
3
Table 2-17. xxxPWRGOOD Signal Group DC Specifications
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage for
VCCPWRGOOD and
VTTPWRGOOD signals
0.25 * V
TTA
V2,5
V
IL
Input Low Voltage for
VDDPWRGOOD signal
0.29 V 6
V
IH
Input High Voltage for
VCCPWRGOOD and
VTTPWRGOOD signals
0.75 * V
TTA
V 2,4,5
V
IH
Input High Voltage for
VDDPWRGOOD signal
0.87 V 4,6
R
ON
Buffer On Resistance
10 18
I
LI
Input Leakage Current ± 200 A
3
Table 2-18. Processor Sideband Signal Group DC Specifications (Sheet 1 of 2)
Symbol Parameter Min Typ Max Units Notes
1
V
IL
Input Low Voltage 0.64
*
V
TTA
V2
V
IL
Input Low Voltage for
PROCHOT# Signal
0.61
*
V
TTA
V2
V
IL
Input Low Voltage for
PECI ID Signal
0.15
*
V
TTA
V
V
IH
Input High Voltage 0.76
*
V
TTA
V2
V
IH
Input High Voltage for
PECI ID Signal
085
*
V
TTA
V










