Intel L5520 AT80602000810AA User Manual
Product codes
AT80602000810AA
Intel® Xeon® Processors 5500 Series Electrical Specifications
42
Intel
®
Xeon
®
Processor 5500 Series Datasheet, Volume 1
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.
R
SYS_TERM
is the termination on the system and is not controlled by the Intel Xeon Processor 5500 Series.
5.
Applies to all Processor Sideband signals, unless otherwise mentioned in
.
6.
For V
IN
between 0 V and V
TTA
. Measured when the driver is tristated.
7.
COMP resistance must be provided on the system board with 1% resistors. See the applicable platform
design guide for implementation details. COMP0 resistors are to VSS.
§
Table 2-17. Control Sideband Signal Group DC Specifications
Symbol
Parameter
Min
Typ
Max
Units
Notes
1
V
IL
Input Low Voltage
0.64
*
V
TTA
V
2,3
V
IL
Input Low Voltage for
PECI_ID signal
0.15
*
V
TTA
V
2,3
V
IH
Input High Voltage
0.76
*
V
TTA
V
2,3
V
IH
Input High Voltage for
PECI_ID signal
0.85
*
V
TTA
V
2,3
V
OL
Output Low Voltage
V
TTA
* R
ON
/
(R
ON
+ R
SYS_TERM
)
V
2,4
V
OH
Output High Voltage
V
TTA
V
2
ODT
On-Die Termination
45
55
5
R
ON
Processor Sideband Buffer
On Resistance
10
18
Ω
R
ON
Buffer On Resistance for
VID[7:0]
100
Ω
I
LI
Input Leakage Current
± 200
μA
6
I
LI
Input Leakage Current for
DDR_THERM# signal
± 50
μA
6
COMP0
COMP Resistance
49.4
49.9
50.4
Ω
7