Intel 925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU Datasheet page 190
Express chipset for the intel 82925x/82925xe memory controller hub (mch)
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Also See for 925 - Pentium D 925 3.0GHz 800MHz 4MB-Cache Socket 775 CPU:
- Product manual (68 pages) ,
- Specification (34 pages)
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Electrical Characteristics
Signal
Symbol
Group
C
(a, c)
Host GTL+ Input
PAD
Capacitance
C
(a, c)
Host GTL+ Input
PCKG
Capacitance (common
clock)
DDR2 Interface
V
(DDR2)
(k)
DDR2 Input Low Voltage
IL(DC)
V
(DDR2)
(k)
DDR2 Input High Voltage
IH(DC)
V
(DDR2)
(k)
DDR2 Input Low Voltage
IL(AC)
V
(DDR2)
(k)
DDR2 Input High Voltage
IH(AC)
V
(DDR2)
(k, l)
DDR2 Output Low
OL
Voltage
V
(DDR2)
(k, l)
DDR2 Output High
OH
Voltage
I
(DDR2)
(k)
Input Leakage Current
Leak
C
(DDR2)
(k, l)
DDR2 Input/Output Pin
I/O
Capacitance
1.5 V PCI Express Interface Specification 1.0a
V
(f)
Differential Peak to Peak
TX-DIFF P-P
Output Voltage
V
(f)
AC Peak Common Mode
TX_CM-ACp
Output Voltage
Z
(f)
DC Differential TX
TX-DIFF-DC
Impedance
V
(e)
Differential Peak to Peak
RX-DIFF p-p
Input Voltage
V
(e)
AC peak Common Mode
RX_CM-ACp
Input Voltage
Clocks, Reset, and Miscellaneous Signals
V
(n)
Input Low Voltage
IL
V
(n)
Input High Voltage
IH
I
(n)
Input Leakage Current
LEAK
C
(n)
Input Capacitance
IN
V
(o)
Input Low Voltage
IL
V
(o)
Input High Voltage
IH
190
Parameter
Min
2
0.90
—
SMVREF
(DDR2) +
0.125
—
SMVREF
(DDR2) +
0.250
—
1.5
—
3.0
0.400
—
80
0.175
—
—
2.0
—
3.0
—
0.660
Nom
Max
—
3.5
—
2.5
—
SMVREF (DDR2)
– 0.125
—
—
—
SMVREF (DDR2)
– 0.250
—
—
—
0.3
—
±10
—
—
6.0
—
0.600
—
20
100
120
—
0.600
—
150
—
0.8
—
—
±10
—
—
6.0
0
—
0.710
0.850
®
Intel
82925X/82925XE MCH Datasheet
R
3
Unit
Notes
pF
pF
V
V
V
V
V
1
V
1
µA
pF
V
2
mV
Ohms
V
3
mV
V
V
µA
pF
V
V
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