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+1.5V_MEMC
D1.5V_DDR3
D1.5V_DDR3
L8900
C8902
C8904
10uF
0.1uF
10V
16V
Close to DDR Power Pin
D1.5V_DDR3
D1.5V_DDR3
MVREFDQ
OPT
AR8900
FRC_DQL[5]
DDR3_DQL[5]
FRC_DQL[7]
DDR3_DQL[7]
FRC_DQL[3]
DDR3_DQL[3]
FRC_DQL[1]
DDR3_DQL[1]
10
AR8901
FRC_A[9]
DDR3_A[9]
FRC_A[2]
DDR3_A[2]
FRC_A[0]
DDR3_A[0]
FRC_BA2
DDR3_BA2
10
AR8902
FRC_DQL[0]
DDR3_DQL[0]
FRC_DQL[2]
DDR3_DQL[2]
FRC_DQL[6]
DDR3_DQL[6]
FRC_DQL[4]
DDR3_DQL[4]
10
AR8903
FRC_DQU[7]
DDR3_DQU[7]
FRC_DQU[1]
DDR3_DQU[1]
FRC_DQU[5]
DDR3_DQU[5]
FRC_DQU[3]
DDR3_DQU[3]
10
R8909
FRC_DMU
DDR3_DMU
10
R8910
FRC_DQSL
DDR3_DQSL
10
R8913
FRC_DQSLB
DDR3_DQSLB
10
R8914
FRC_DML
DDR3_DML
10
R8911
FRC_DQSU
DDR3_DQSU
10
R8912
FRC_DQSUB
DDR3_DQSUB
10
AR8904
FRC_DQU[2]
DDR3_DQU[2]
FRC_DQU[6]
DDR3_DQU[6]
FRC_DQU[0]
DDR3_DQU[0]
FRC_DQU[4]
DDR3_DQU[4]
10
AR8906
FRC_A[3]
DDR3_A[3]
FRC_A[5]
DDR3_A[5]
FRC_A[7]
DDR3_A[7]
FRC_DDR3_RESETB
DDR3_RESETB
10
AR8905
FRC_CASB
DDR3_CASB
FRC_ODT
DDR3_ODT
FRC_WEB
DDR3_WEB
FRC_BA0
DDR3_BA0
10
R8915
FRC_RASB
DDR3_RASB
10
R8916
FRC_MCLK
DDR3_MCLK
10
R8917
FRC_MCLKB
DDR3_MCLKB
10
R8918
FRC_CKE
DDR3_CKE
10
AR8908
FRC_A[8]
DDR3_A[8]
FRC_A[6]
DDR3_A[6]
FRC_A[4]
DDR3_A[4]
FRC_BA1
DDR3_BA1
10
AR8907
FRC_A[10]
DDR3_A[10]
FRC_A[12]
DDR3_A[12]
FRC_A[1]
DDR3_A[1]
FRC_A[11]
DDR3_A[11]
10
THE
SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE
SYMBOL MARK OF THE SCHEMETIC.
DDR3 1.5V By CAP - Place these Caps near Memory
MVREFCA
OPT
IC8900
H5TQ1G63BFR-12C
M8
MVREFCA
VREFCA
A0
A1
A2
H1
MVREFDQ
VREFDQ
A3
A4
R8921
A5
L8
ZQ
A6
240
A7
1%
A8
B2
VDD_1
A9
D9
VDD_2
A10/AP
G7
VDD_3
A11
K2
VDD_4
A12/BC
K8
VDD_5
A13
N1
VDD_6
N9
VDD_7
A15
R1
VDD_8
R9
VDD_9
BA0
BA1
BA2
A1
VDDQ_1
A8
VDDQ_2
CK
C1
VDDQ_3
CK
C9
VDDQ_4
CKE
D2
VDDQ_5
D1.5V_DDR3
E9
VDDQ_6
CS
F1
VDDQ_7
ODT
H2
VDDQ_8
RAS
H9
VDDQ_9
CAS
WE
J1
NC_1
J9
NC_2
RESET
L1
NC_3
L9
NC_4
T7
NC_6
DQSL
DQSL
A9
VSS_1
DQSU
B3
VSS_2
DQSU
E1
VSS_3
G8
VSS_4
DML
J2
VSS_5
DMU
J8
VSS_6
M1
VSS_7
DQL0
M9
VSS_8
DQL1
P1
VSS_9
DQL2
P9
VSS_10
DQL3
T1
VSS_11
DQL4
T9
VSS_12
DQL5
DQL6
DQL7
B1
VSSQ_1
B9
VSSQ_2
DQU0
D1
VSSQ_3
DQU1
D8
VSSQ_4
DQU2
E2
VSSQ_5
DQU3
E8
VSSQ_6
DQU4
F9
VSSQ_7
DQU5
G1
VSSQ_8
DQU6
G9
VSSQ_9
DQU7
DDR3_A[0-12]
N3
DDR3_A[0]
P7
DDR3_A[1]
P3
DDR3_A[2]
N2
DDR3_A[3]
P8
DDR3_A[4]
P2
DDR3_A[5]
R8
DDR3_A[6]
R2
DDR3_A[7]
T8
DDR3_A[8]
R3
DDR3_A[9]
L7
DDR3_A[10]
R7
DDR3_A[11]
N7
DDR3_A[12]
T3
M7
M2
DDR3_BA0
N8
DDR3_BA1
M3
DDR3_BA2
DDR3_MCLK
J7
K7
K9
DDR3_MCLKB
DDR3_CKE
L2
K1
DDR3_ODT
J3
DDR3_RASB
K3
DDR3_CASB
L3
D1.5V_DDR3
DDR3_WEB
R8923
10K
T2
DDR3_RESETB
F3
DDR3_DQSL
G3
DDR3_DQSLB
C7
DDR3_DQSU
B7
DDR3_DQSUB
E7
DDR3_DML
D3
DDR3_DQL[0-7]
DDR3_DMU
E3
DDR3_DQL[0]
F7
DDR3_DQL[1]
F2
DDR3_DQL[2]
F8
DDR3_DQL[3]
H3
DDR3_DQL[4]
H8
DDR3_DQL[5]
G2
DDR3_DQL[6]
H7
DDR3_DQL[7]
D7
DDR3_DQU[0]
C3
DDR3_DQU[1]
C8
DDR3_DQU[2]
C2
DDR3_DQU[3]
A7
DDR3_DQU[4]
A2
DDR3_DQU[5]
B8
DDR3_DQU[6]
A3
DDR3_DQU[7]
DDR3_DQU[0-7]
+3.3V_MEMC
+12V
IC8903
AOZ1072AI
L8905
3.6uH
PGND
LX_2
L8902
1
8
CIC21J501NE
NR8040T3R6N
VIN
LX_1
2
7
2A
POWER_ON/OFF2_2
AGND
EN
3
6
R8928
C8932
C8934
10K
10uF
10uF
FB
COMP
25V
25V
4
5
9.1K
2200pF
R8925
C8937
Vout=0.8*(1+R1/R2)
URSA3 DDR3 1.5V
+3.3V_MEMC
IC8901
AP1117EG-13
IN
OUT
ADJ/GND
C8935
10uF
16V
R8929
56
1%
URSA3 CORE 1.26V
+12V
IC8902
AOZ1072AI
L8904
3.6uH
PGND
LX_2
1
8
NR8040T3R6N
VIN
LX_1
2
7
2A
AGND
EN
POWER_ON/OFF2_1
3
6
R8926
C8931
C8933
10K
10uF
10uF
FB
COMP
25V
25V
4
5
6.2K
3300pF
R8924
C8936
Vout=0.8*(1+R1/R2)
COMMON
URSA3 DDR & Power
+3.3V_MEMC
C8942
C8944
R1
22uF
0.1uF
10V
16V
OPT
C8940
100pF
50V
R2
+1.5V_MEMC
1074 mA
C8938
16V
C8946
10uF
0.1uF
16V
+1.26V_MEMC
C8941
C8943
R1
22uF
0.1uF
10V
16V
OPT
C8939
100pF
50V
R2
2009.09.11
89
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