Schematic Diagrams
B - 8 DDR TERMINATION
B.Schematic Diagrams
DDR TERMINATION
Sheet 7 of 45
DDR
TERMINATION
+1.25V
+2.5V
+1.25V
+2.5V
+2.5V
+1.25V
+1.25V
+1.25V
+1.25V
+1.25V
MAA[0..13] 3,6
MEMDQS[0..7] 3,6
MEMDATA[0..63] 3,6
MAB[0..13] 3,6
+1.25V 3,4,30
MEMCKEB
3,6
DQM5
3,6
+2.5V 3,4,5,6,16,30,33
MEMCKEA
3,6
MEMWEA_L
3,6
MEMBANKA0
3,6
MEMCS_L0
3,6
MAA13
3,6
MEMBANKB1
3,6
MEMRASB_L
3,6
MEMCS_L3
3,6
DQM[0..7]
3,6
MEMCASA_L
3,6
MEMCS_L1
3,6
MEMBANKA1
3,6
MEMRASA_L
3,6
MEMCS_L2
3,6
MAB13
3,6
MEMBANKB0
3,6
MEMWEB_L
3,6
MEMCASB_L
3,6
DQM2
3,6
MAA[0..13]
MAB[0..13]
MEMDATA[0..63]
MEMDQS[0..7]
MAA9
MEMDATA60
MEMDATA42
MEMDATA27
MEMDATA2
MEMDATA54
MEMCS_L2
MEMDATA40
DQM5
MAA3
MEMDATA59
MEMDATA36
MEMDQS6
MEMDATA8
MEMDATA52
MEMDATA58
DQM7
MAA8
MEMDATA51
MEMBANKB1
DQM1
MEMDATA47
MAA12
MEMDATA33
MAA1
MAA2
MEMDATA44
MEMDATA4
MAB12
MAA5
MEMWEA_L
MEMDATA18
MAB5
MAA10
MEMDATA35
MEMDATA14
MAB7
MEMDATA31
DQM6
MEMDATA25
MEMDATA6
MEMDATA50
MEMDQS5
MEMDATA39
MEMDQS7
MAA11
MEMDATA13
MEMDATA55
MEMDATA37
DQM0
MEMDATA12
MEMDATA46
MEMDQS2
MEMDATA49
MEMDQS4
MEMDATA3
MEMDATA43
MEMRASA_L
MEMDATA41
MEMBANKA0
MAA0
MEMDATA57
MEMDATA26
MEMDATA61
MEMBANKA1
MEMDATA34
MAA6
MEMDATA62
MAB9
MEMDATA5
MEMCS_L0
MAB10
MEMDATA32
MEMDATA53
DQM4
MAA7
MAB0
MEMCKEB
MEMDATA56
MEMDATA30
MAB2
MEMDQS1
MEMDATA48
MEMDQS3
MEMDQS0
MEMDATA9
MEMDATA19
MEMDATA23
MEMDATA38
MEMDATA45
MAB13
MAA13
MEMDATA24
MEMDATA7
MEMDATA15
MEMDATA28
MEMDATA63
MEMCKEA
MAB11
MAB6
MAB4
MAB8
MEMDATA17
MEMDATA16
MEMDATA11
MEMDATA10
MEMDATA0
MEMDATA1
MEMCS_L3
MEMRASB_L
MEMBANKB0
DQM[0..7]
MAA4
MEMCASA_L
MEMCS_L1
MEMWEB_L
MAB3
MEMCASB_L
MAB1
MEMDATA21
MEMDATA20
MEMDATA22
DQM2
MEMDATA29
DQM3
Z0706
Z0707
Z0705
Z0703
Z0704
Z0701
Z0702
T646
T643
C487
0.1U_X7R
T645
T647
C406
0.1U_X7R
C478
0.1U_X7R
T644
C482
0.1U_X7R
RN58
8P4RX47
8
1
7
2
6
5
3
4
C488
0.1U_X7R
C708
0.1U_X7R
C480
0.1U_X7R
C727
0.22U
R650
47
RN15
8P4RX47
8
1
7
2
6
5
3
4
C473
0.1U_X7R
C485
0.1U_X7R
RN22
8P4RX68
8
1
7
2
6
5
3
4
C730
0.22U
C719
0.1U_X7R
C469
0.1U_X7R
RN64
8P4RX68
8
1
7
2
6
5
3
4
C712
0.1U_X7R
C479
0.1U_X7R
C720
0.1U_X7R
C731
0.1U_X7R
C715
0.1U_X7R
RN31
8P4RX68
8
1
7
2
6
5
3
4
+
C741
4.7U_0805
C716
0.1U_X7R
RN56
8P4RX68
1
2
3
4
5
6
7
8
RN61
8P4RX68
1
2
3
4
5
6
7
8
C707
0.1U_X7R
C491
0.1U_X7R
+
C468
4.7U_0805
C475
0.1U_X7R
C494
0.1U_X7R
R649
47
RN33
8P4RX68
8
1
7
2
6
5
3
4
C734
0.1U_X7R
C404
0.1U_X7R
RN14
8P4RX47
8
1
7
2
6
5
3
4
C722
0.1U_X7R
RN27
8P4RX47
8
1
7
2
6
5
3
4
T641
C677
0.22U
T642
C725
0.1U_X7R
C489
0.1U_X7R
C676
0.22U
C697
0.1U_X7R
C490
0.1U_X7R
C472
0.1U_X7R
C738
0.22U
C679
0.1U_X7R
C736
0.22U
C474
0.1U_X7R
RN62
8P4RX68
8
1
7
2
6
5
3
4
C486
0.1U_X7R
C699
0.1U_X7R
C732
100P
C733
0.1U_X7R
C711
0.1U_X7R
RN44
8P4RX47
8
1
7
2
6
5
3
4
C714
0.1U_X7R
C729
0.1U_X7R
C724
0.1U_X7R
RN32
8P4RX68
8
1
7
2
6
5
3
4
RN60
8P4RX68
8
1
7
2
6
5
3
4
C726
1000P
RN28
8P4RX47
1
2
3
4
5
6
7
8
+
C743
4.7U_0805
RN63
8P4RX68
1
2
3
4
5
6
7
8
RN59
8P4RX47
8
1
7
2
6
5
3
4
C735
0.1U_X7R
C484
0.1U_X7R
C470
0.1U_X7R
R631
47
RN25
8P4RX68
8
1
7
2
6
5
3
4
C483
0.1U_X7R
C680
0.1U_X7R
C718
0.1U_X7R
RN54
8P4RX68
8
1
7
2
6
5
3
4
RN24
8P4RX68
8
1
7
2
6
5
3
4
C723
0.1U_X7R
C717
0.1U_X7R
RN46
8P4RX47
8
1
7
2
6
5
3
4
C403
0.1U_X7R
RN16
8P4RX47
8
1
7
2
6
5
3
4
C476
0.1U_X7R
RN65
8P4RX68
8
1
7
2
6
5
3
4
C471
0.1U_X7R
RN21
8P4RX68
8
1
7
2
6
5
3
4
C495
0.1U_X7R
C675
0.1U_X7R
RN53
8P4RX68
8
1
7
2
6
5
3
4
C728
0.1U_X7R
RN30
8P4RX68
8
1
7
2
6
5
3
4
C492
0.1U_X7R
C737
0.1U_X7R
RN29
8P4RX68
8
1
7
2
6
5
3
4
RN45
8P4RX47
8
1
7
2
6
5
3
4
C682
0.1U_X7R
C481
0.1U_X7R
C493
0.1U_X7R
RN23
8P4RX68
8
1
7
2
6
5
3
4
C417
0.1U_X7R
C721
0.1U_X7R
C709
0.22U
C713
0.1U_X7R
C405
1000P
C477
0.1U_X7R
RN57
8P4RX68
8
1
7
2
6
5
3
4
RN26
8P4RX47
8
1
7
2
6
5
3
4
C710
0.1U_X7R
C678
0.1U_X7R
C402
0.1U_X7R
RN55
8P4RX68
8
1
7
2
6
5
3
4
NOTE: Place these decoupling
capacitors close to VTT_MEM
termination resistors. (one
decoupling capacitor for each
two R-packs)
Place these
decoupling
capacitors on
VTT_MEM trace
2.4A