Intel III M 866 MHz BXM80530B866512 Data Sheet
Product codes
BXM80530B866512
Mobile Intel
®
Pentium
®
III Processor in BGA2 and Micro-PGA2 Packages at 1 GHz,
900 MHz, 850 MHz, 800 MHz, 750 MHz, 700 MHz, Low-voltage 750 MHz, Low-voltage 700 MHz,
Low-voltage 600 MHz, Ultra Low-voltage 600 MHz and Ultra Low-voltage 500 MHz
Low-voltage 600 MHz, Ultra Low-voltage 600 MHz and Ultra Low-voltage 500 MHz
84 Datasheet
283653-002
A.3
Recommendation for Mobile Systems
The following LC components are recommended. The tables will be updated as other suitable
components and specifications are identified.
components and specifications are identified.
Table 42. PLL Filter Inductor Recommendations
Inductor Part
Number
Value
Tol
SRF
Rated
I
DCR Min
Damping
R
needed
L1 TDK
MLF2012A4R7KT
4.7
µ
H 10% 35 MHz 30 mA 0.56
Ω
(1
Ω
max)
0
Ω
L2 Murata
LQG21N4R7K10
4.7
µ
H 10% 47 MHz 30 mA 0.7
Ω
(+/-
50%)
0
Ω
L3 Murata
LQG21C4R7N00
4.7
µ
H 30% 35 MHz 30 mA 0.3
Ω
max
0.2
Ω
(assumed)
NOTE:
Minimum damping resistance is calculated from 0.35
Ω
– DCR
min
. From vendor provided data, L1 and
L2 DCR
min
is 0.4
Ω
and 0.5
Ω
respectively, qualifying them for zero required trace resistance. DCR
min
for L3 is not known and is assumed to be 0.15
Ω
. There may be other vendors who might provide
parts of equivalent characteristics and the OEMs should consider doing their own testing for selecting
their own vendors.
their own vendors.
Table 43. PLL Filter Capacitor Recommendations
Capacitor Part
Number
Value Tolerance
ESL ESR
C1 Kemet
T495D336M016AS
33
µ
F
20% 2.5
nH
0.225
Ω
C2 AVX
TPSD336M020S0200
33
µ
F
20% unknown
0.2
Ω
NOTE:
There may be other vendors who might provide parts of equivalent characteristics and the OEMs
should consider doing their own testing for selecting their own vendors.
should consider doing their own testing for selecting their own vendors.
Table 44. PLL Filter Resistor Recommendations
Resistor Part
Number
Value Tolerance
Power
R1 various
1
Ω
10% 1/16W
To satisfy damping requirements, total series resistance in the filter (from V
CCT
to the top plate of
the capacitor) must be at least 0.35
Ω
. This resistor can be in the form of a discrete component, or
routing, or both. For example, if the picked inductor has minimum DCR of 0.25
Ω
, then a routing
resistance of at least 0.10
Ω
is required. Be careful not to exceed the maximum resistance rule
(2
Ω
). For example, if using discrete R1, the maximum DCR of the L should be less than 2.0 - 1.1
= 0.9
Ω
, which precludes using L2 and possibly L1.
Other routing requirements:
•
The capacitor should be close to the PLL1 and PLL2 pins, with less than 0.1
Ω
per route (These
routes do not count towards the minimum damping resistance requirement).
•
The PLL2 route should be parallel and next to the PLL1 route (minimize loop area).
•
The inductor should be close to the capacitor; any routing resistance should be inserted
between VCCT and the inductor.
between VCCT and the inductor.
•
Any discrete resistor should be inserted between VCCT and the inductor.