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Symbol Parameter Min Typ Max Units Notes
1
R
ON_DN(CTL)
DDR3/DDR3L Control
Buffer pull-down
Resistance
19 25 31 Ω
5, 11,
13
R
ON_UP(RST)
DDR3/DDR3L Reset
Buffer pull-up
Resistance
40 80 130 Ω —
R
ON_DN(RST)
DDR3/DDR3L Reset
Buffer pull-up
Resistance
40 80 130 Ω —
I
LI
Input Leakage Current
(DQ, CK)
0V
0.2*V
DDQ
0.8*V
DDQ
— — 0.7 mA —
I
LI
Input Leakage Current
(CMD, CTL)
0V
0.2*V
DDQ
0.8*V
DDQ
— — 1.0 mA —
SM_RCOMP0
Command COMP
Resistance
99 100 101 Ω 8
SM_RCOMP1 Data COMP Resistance
74.25
75 75.75 Ω 8
SM_RCOMP2 ODT COMP Resistance 99 100 101 Ω 8
Notes: 1. Unless otherwise noted, all specifications in this table apply to all processor frequencies.
2. V
IL
is defined as the maximum voltage level at a receiving agent that will be interpreted as a
logical low value.
3. V
IH
is defined as the minimum voltage level at a receiving agent that will be interpreted as a
logical high value.
4. V
IH
and V
OH
may experience excursions above V
DDQ
. However, input signal drivers must comply
with the signal quality specifications.
5. This is the pull up/down driver resistance.
6. R
TERM
is the termination on the DIMM and in not controlled by the processor.
7. The minimum and maximum values for these signals are programmable by BIOS to one of the
two sets.
8. SM_RCOMPx resistance must be provided on the system board with 1% resistors. SM_RCOMPx
resistors are to V
SS
.
9. SM_DRAMPWROK rise and fall time must be < 50 ns measured between V
DDQ
*0.15 and V
DDQ
*0.47.
10.SM_VREF is defined as V
DDQ
/2.
11.Maximum-minimum range is correct; however, center point is subject to change during MRC
boot training.
12.Processor may be damaged if V
IH
exceeds the maximum voltage for extended periods.
13.The MRC during boot training might optimize R
ON
outside the range specified.
Table 51. Digital Display Interface Group DC Specifications
Symbol Parameter Min Typ Max Units
V
IL
HPD Input Low Voltage — — 0.8 V
V
IH
HPD Input High Voltage 2.25 — 3.6 V
Vaux(Tx)
Aux peak-to-peak voltage at transmitting
device
0.39 — 1.38 V
Vaux(Rx)
Aux peak-to-peak voltage at receiving
device
0.32 — 1.36 V
Electrical Specifications—Processor
Desktop 4th Generation Intel
®
Core
™
Processor Family, Desktop Intel
®
Pentium
®
Processor Family, and Desktop Intel
®
Celeron
®
Processor Family
December 2013 Datasheet – Volume 1 of 2
Order No.: 328897-004 101