Quad-Core Intel® Xeon® Processor 5300 Series Datasheet
25
Electrical Specifications
Note:
1.
V
TT
supplies the PECI interface. PECI behavior does not affect V
TT
min/max specifications.
2.
The leakage specification applies to powered devices on the PECI bus.
3.
One node is counted for each client and one node for the system host. Extended trace lengths might appear
as additional nodes.
2.10.2
Input Device Hysteresis
The input buffers in both client and host models must use a Schmitt-triggered input
design for improved noise immunity. Use
Figure 2-1
as a guide for input buffer design.
Table 2-10. PECI DC Electrical Limits
Symbol
Definition and Conditions
Min
Max
Units
Notes
1
V
in
Input Voltage Range
-0.150
V
TT
V
V
hysteresis
Hysteresis
0.1 * V
TT
N/A
V
V
N
Negative-edge threshold
voltage
0.275 * V
TT
0.500 * V
TT
V
V
p
Positive-edge threshold
voltage
0.550 * V
TT
0.725 * V
TT
V
I
source
High level output source
(V
OH
= 0.75 * V
TT
)
-6.0
N/A
mA
I
sink
Low level output sink
(V
OL
= 0.25 * V
TT
)
0.5
1.0
mA
I
leak+
High impedance state
leakage to V
TT
(V
leak
= V
OL
)
N/A
50
µA
2
I
leak-
High impedance leakage
to GND
(V
leak
= V
OH
)
N/A
10
µA
2
C
bus
Bus capacitance per node
N/A
10
pF
3
V
noise
Signal noise immunity
above 300 MHz
0.1 * V
TT
N/A
V
p-p
Figure 2-1. Input Device Hysteresis
Minimum V
P
Maximum V
P
Minimum V
N
Maximum V
N
PECI High Range
PECI Low Range
Valid Input
Signal Range
Minimum
Hysteresis
V
TT
PECI Ground
Summary of Contents for E5345 - Xeon 2.33 GHz 8M L2 Cache 1333MHz FSB LGA771 Active Quad-Core Processor
Page 8: ...8 Quad Core Intel Xeon Processor 5300 Series Datasheet...
Page 14: ...Introduction 14 Quad Core Intel Xeon Processor 5300 Series Datasheet...
Page 38: ...Electrical Specifications 38 Quad Core Intel Xeon Processor 5300 Series Datasheet...
Page 48: ...Mechanical Specifications 48 Quad Core Intel Xeon Processor 5300 Series Datasheet...
Page 70: ...Land Listing 70 Quad Core Intel Xeon Processor 5300 Series Datasheet...
Page 96: ...Features 96 Quad Core Intel Xeon Processor 5300 Series Datasheet...
