Ddr Termination - Hitachi M300N Service Manual

DDR Termination

M_CB3 RP12 1 8 8P4RX22 M_CB_R3
M_AA12 2 7 M_AA_FR_12
M_AA9 3 6 M_AA_FR_9
M_AA7 4 5 M_AA_FR_7
M_DATA13 RP41 1 8 8P4RX22 M_DATA_R_13
M_DM1 2 7 M_DM_R_1
M_DATA7 3 6 M_DATA_R_7
M_DATA12 4 5 M_DATA_R_12
M_AA11 RP46 1 8 8P4RX22 M_AA_FR_11
M_AA6 2 7 M_AA_FR_6
M_AA8 3 6 M_AA_FR_8
M_CB7 4 5 M_CB_R7
M_DATA20 RP42 1 8 8P4RX22 M_DATA_R_20
M_DATA21 2 7 M_DATA_R_21
M_DATA14 3 6 M_DATA_R_14
M_DATA15 4 5 M_DATA_R_15
M_DATA25 RP14 1 8 8P4RX22 M_DATA_R_25
M_DQS3 2 7 M_DQS_R3
M_DATA26 3 6 M_DATA_R_26
M_DATA27 4 5 M_DATA_R_27
M_DM0 RP40 1 8 8P4RX22 M_DM_R_0
M_DATA6 2 7 M_DATA_R_6
M_DATA4 3 6 M_DATA_R_4
M_DATA5 4 5 M_DATA_R_5
M_DQS2 RP15 1 8 8P4RX22 M_DQS_R2
M_DATA18 2 7 M_DATA_R_18
M_DATA19 3 6 M_DATA_R_19
M_DATA24 4 5 M_DATA_R_24
M_DATA23 RP43 1 8 8P4RX22 M_DATA_R_23
M_DATA28 2 7 M_DATA_R_28
M_DM2 3 6 M_DM_R_2
M_DATA22 4 5 M_DATA_R_22
M_DATA35 RP9 1 8 8P4RX22 M_DATA_R_35
M_DATA40 2 7 M_DATA_R_40
M_DATA41 3 6 M_DATA_R_41
M_DQS5 4 5 M_DQS_R5
M_DATA30 RP44 1 8 8P4RX22 M_DATA_R_30
M_DATA31 2 7 M_DATA_R_31
M_DATA29 3 6 M_DATA_R_29
M_DM3 4 5 M_DM_R_3
M_DATA42 RP8 1 8 8P4RX22 M_DATA_R_42
M_DATA43 2 7 M_DATA_R_43
M_DATA48 3 6 M_DATA_R_48
M_DATA49 4 5 M_DATA_R_49
M_DATA52 RP50 1 8 8P4RX22 M_DATA_R_52
M_DATA53 2 7 M_DATA_R_53
M_DATA46 3 6 M_DATA_R_46
M_DATA47 4 5 M_DATA_R_47
M_DQS6 RP7 1 8 8P4RX22 M_DQS_R6
M_DATA50 2 7 M_DATA_R_50
M_DATA51 3 6 M_DATA_R_51
M_DATA56 4 5 M_DATA_R_56
M_DATA55 RP51 1 8 8P4RX22 M_DATA_R_55
M_DATA60 2 7 M_DATA_R_60
M_DM6 3 6 M_DM_R_6
M_DATA54 4 5 M_DATA_R_54
M_DATA57 RP6 1 8 8P4RX22 M_DATA_R_57
M_DQS7 2 7 M_DQS_R7
M_DATA58 3 6 M_DATA_R_58
M_DATA59 4 5 M_DATA_R_59
M_DATA62 M_DATA_R_62
RP52 1 8 8P4RX22
M_DATA63 2 7 M_DATA_R_63
M_DATA61 M_DATA_R_61
3 6
M_DM7 4 5 M_DM_R_7
M_DATA3 RP17 1 8 8P4RX22 M_DATA_R_3
M_DATA8 2 7 M_DATA_R_8
M_DATA9 3 6 M_DATA_R_9
M_DQS1 4 5 M_DQS_R1
M_CB0 RP13 1 8 8P4RX22 M_CB_R0
M_CB1 2 7 M_CB_R1
M_DQS8 3 6 M_DQS_R8
M_CB2 4 5 M_CB_R2
M_AA3 RP11 1 8 8P4RX22 M_AA_FR_3
[5,8] M_AA3 M_AA_FR_3 [8]
M_AA10 2 7 M_AA_FR_10
3 6
[5,8] M_BS0# M_BS0_FR# [8]
4 5
[5,8] M_WE# M_WE_FR# [8]
M_DM8 RP45 1 8 8P4RX22 M_DM_R_8
M_CB6 2 7 M_CB_R6
M_CB4 3 6 M_CB_R4
M_CB5 4 5 M_CB_R5
M_DATA45 RP49 1 8 8P4RX22 M_DATA_R_45
M_DM5 2 7 M_DM_R_5
M_DATA39 3 6 M_DATA_R_39
M_DATA44 4 5 M_DATA_R_44
RP47 1 8 8P4RX22
[5,8] M_CAS# M_CAS_FR# [8]
2 7
[5,8] M_RAS# M_RAS_FR# [8]
M_AA0 M_AA_FR_0
3 6
[5,8] M_AA0 M_AA_FR_0 [8]
4 5
[5,8] M_BS1# M_BS1_FR# [8]
M_DATA10 RP16 1 8 8P4RX22 M_DATA_R_10
M_DATA11 2 7 M_DATA_R_11
M_DATA16 3 6 M_DATA_R_16
M_DATA17 4 5 M_DATA_R_17
M_DATA0 RP18 1 8 8P4RX22 M_DATA_R_0
M_DATA1 2 7 M_DATA_R_1
M_DQS0 3 6 M_DQS_R0
M_DATA2 4 5 M_DATA_R_2
M_DATA32 RP10 1 8 8P4RX22 M_DATA_R_32
M_DATA33 2 7 M_DATA_R_33
M_DQS4 3 6 M_DQS_R4
M_DATA34 4 5 M_DATA_R_34
M_DM4 RP48 1 8 8P4RX22 M_DM_R_4
M_DATA38 2 7 M_DATA_R_38
M_DATA36 3 6 M_DATA_R_36
M_DATA37 4 5 M_DATA_R_37
Place these damping resistors close to SO-DIMM
+1.25VS
RP28 8P4RX56
M_CB_R4 1 8 M_AA1
[5,8] M_AA1
M_CB_R5 2 7 M_AA2
[5,8] M_AA2
M_AA4
M_DM_R_8 3 6
[5,8] M_AA4
M_CB_R6 4 5 M_AA5
[5,8] M_AA5
M_AB1
1 8
[5,8] M_CS0# [5,8] M_AB1
2 7 M_AB2
[5,8] M_CKE3 [5,8] M_AB2
M_AB4
3 6
[5,8] M_CKE1 [5,8] M_AB4
M_CB_R3 4 5 M_AB5
[5,8] M_AB5
RP61 8P4RX56
RP27 8P4RX56
M_CB_R7 1 8 M_DATA_R_29
2 7 M_DM_R_3
[5,8] M_CKE0
3 6 M_DATA_R_30
[5,8] M_CKE2
M_AA11 4 5 M_DATA_R_31
M_AA8 1 8 M_CB_R2
M_AA6 2 7 M_DQS_R8
M_AA0 3 6 M_CB_R1
[5,8] M_AA0
4 5 M_CB_R0
[5,8] M_BS1#
RP26 8P4RX56
RP25 8P4RX56
1 8 M_DATA_R_36
[5,8] M_RAS#
2 7 M_DATA_R_37
[5,8] M_CAS#
3 6 M_DM_R_4
[5,8] M_CS3#
4 5 M_DATA_R_38
[5,8] M_CS1#
1 8 M_DATA_R_34
[5,8] M_CS2#
2 7 M_DQS_R4
[5,8] M_WE#
3 6 M_DATA_R_33
[5,8] M_BS0#
M_AA10 4 5 M_DATA_R_32
RP63 8P4RX56
RP56 8P4RX56
M_DQS_R1 1 8 M_DATA_R_39
M_DATA_R_9 2 7 M_DATA_R_44
M_DATA_R_8 3 6 M_DATA_R_45
M_DATA_R_3 4 5 M_DM_R_5
M_DATA_R_16 1 8 M_DQS_R5
M_DATA_R_17 2 7 M_DATA_R_41
M_DATA_R_11 3 6 M_DATA_R_40
M_DATA_R_10 4 5 M_DATA_R_35
RP57 8P4RX56
RP59 8P4RX56
M_DATA_R_27 1 8 M_DATA_R_46
M_DATA_R_26 2 7 M_DATA_R_47
M_DATA_R_25 3 6 M_DATA_R_52
M_DQS_R3 4 5 M_DATA_R_53
M_AA3 1 8 M_DATA_R_49
[5,8] M_AA3
M_AA7 2 7 M_DATA_R_48
M_AA12 3 6 M_DATA_R_43
M_AA9 4 5 M_DATA_R_42
RP62 8P4RX56
RP32 8P4RX56
M_DATA_R_7 1 8 M_DM_R_6
M_DATA_R_12 2 7 M_DATA_R_54
M_DATA_R_13 3 6 M_DATA_R_55
M_DM_R_1 4 5 M_DATA_R_60
M_DATA_R_2 1 8 M_DATA_R_56
M_DQS_R0 2 7 M_DATA_R_51
M_DATA_R_1 3 6 M_DATA_R_50
M_DATA_R_0 4 5 M_DQS_R6
RP55 8P4RX56
RP31 8P4RX56
M_DATA_R_14 1 8 M_DATA_R_61
M_DATA_R_15 2 7 M_DM_R_7
M_DATA_R_20 3 6 M_DATA_R_62
M_DATA_R_21 4 5 M_DATA_R_63
M_DM_R_2 1 8 M_DATA_R_59
M_DATA_R_22 2 7 M_DATA_R_58
M_DATA_R_23 3 6 M_DQS_R7
M_DATA_R_28 4 5 M_DATA_R_57
RP30 8P4RX56
RP33 8P4RX56
M_DATA_R_4 1 8
M_DATA_R_5 2 7
M_DM_R_0 3 6
M_DATA_R_6 4 5
M_DATA_R_24 1 8
M_DATA_R_19 2 7
M_DATA_R_18 3 6
M_DQS_R2 4 5
RP58 8P4RX56
VTT_MEM RESISTORS
M_DM_R_[8:0]
M_DM_R_[8:0] [8]
M_DATA[63:0]
M_DATA[63:0] [5]
M_DATA_R_[63:0]
M_DATA_R_[63:0] [8]
M_CB[7:0]
M_CB[7:0] [5]
M_CB_R[7:0]
M_CB_R[7:0] [8]
M_AA[12:6]
M_AA[12:6] [5,8]
M_AA_FR_[12:6]
M_AA_FR_[12:6] [8]
M_DM_R_[8:0]
M_DM_R_[8:0] [8]
M_DM[8:0]
M_DM[8:0] [5]
M_DQS[8:0]
M_DQS[8:0] [5]
M_DQS_R[8:0]
M_DQS_R[8:0] [8]
+1.25VS
+1.25VS [22]
+1.25VS
+1.25VS
RP53 8P4RX56 C175 0.1UF C493 0.1UF
1 8
2 7
3 6 C178 0.1UF C503 0.1UF
4 5
5 4
6 3 C490 0.1UF C498 0.1UF
7 2
8 1
RP54 8P4RX56 C184 0.1UF C501 0.1UF
RP29 8P4RX56
1 8
2 7 C487 0.1UF C196 0.1UF
3 6
4 5
1 8 C485 0.1UF C187 0.1UF
2 7
3 6
4 5 C176 0.1UF C188 0.1UF
RP60 8P4RX56
RP24 8P4RX56
1 8 C173 0.1UF C186 0.1UF
2 7
3 6
4 5 C174 0.1UF C504 0.1UF
1 8
2 7
3 6 C481 0.1UF C497 0.1UF
4 5
RP64 8P4RX56
RP23 8P4RX56 C492 0.1UF C194 0.1UF
1 8
2 7
3 6 C489 0.1UF C193 0.1UF
4 5
1 8
2 7 C180 0.1UF C195 0.1UF
3 6
4 5
RP65 8P4RX56
RP22 8P4RX56
1 8
2 7
3 6 NOTE: Place these decoupling
4 5
capacitors close to VTT_MEM
1 8
2 7 termination resistors. (one
3 6
decoupling capacitor for each
4 5
RP66 8P4RX56 two R-packs)
RP21 8P4RX56
1 8
2 7
3 6
4 5
3/13
1 8 +1.25VS
2 7
3 6
4 5 R544 *0_2512
RP67 8P4RX56
RP20 8P4RX56 (M-R2512)
1 8
2 7
3 6
4 5 C488 0.1UF C494 0.1UF
1 8
2 7
3 6 C179 0.1UF C502 0.1UF
4 5
RP68 8P4RX56
C491 0.1UF C495 0.1UF
C182 0.1UF C197 0.1UF
C483 0.1UF C500 0.1UF
C185 0.1UF C192 0.1UF
C482 0.1UF C198 0.1UF
C177 0.1UF C496 0.1UF
C486 0.1UF C190 0.1UF
C183 0.1UF C499 0.1UF
C181 0.1UF C452 0.1UF
C440 0.1UF C191 0.1UF
C484 0.1UF C189 0.1UF
Place these
decoupling
capacitors on
VTT_MEM trace
DDR Termination (71-M3000-D04) B - 9
Schematic Diagrams
Sheet 8 of 29
DDR Termination