ViewSonic N3252w-1M Service Manual page 82

8.16. MT5351 DDR Memory
RWE_1 RP45 22x4 MEM_WE_1
7 8
RCAS_1 5 6 MEM_CAS_1
RCS_1 MEM_CS_1
3 4
RBA0 1 2 MEM_BA0
RA10 RP49 22x4 MEM_ADDR10
7 8
RA0 MEM_ADDR0
5 6
RA2 MEM_ADDR2
3 4
RA3 MEM_ADDR3
1 2
RP53 22x4
RA5 7 8 MEM_ADDR5
RA6 MEM_ADDR6
5 6
RA8 3 4 MEM_ADDR8
RA9 MEM_ADDR9
1 2
RA12 R266 22 MEM_ADDR12
RA13 R268 22 MEM_ADDR13
RRAS_1 RP61 22x4 MEM_RAS_1
1 2
RBA1 3 4 MEM_BA1
RA1 MEM_ADDR1
5 6
RA4 7 8 MEM_ADDR4
RA7 R270 22 MEM_ADDR7
RA11 R274 22 MEM_ADDR11
RCKE R280 22 MEM_CLKEN
CLOSED TO MT5351
RCLK0 R284
47
R0603
RCLK0_1 R286
47
R0603
RCLK1 R287
47
R0603
RCLK1_1 R290
47
R0603
CLOSED TO MT5351
+1V25_DDR
C504 C505 C506
0.1U 0.1U 0.1U
C0603 C0603 C0603
+1V25_DDR
C525 C526 C527
0.1U 0.1U 0.1U
C0603 C0603 C0603
+1V25_DDR
C546 C547
0.1U 0.1U
C0603 C0603
ViewSonic Corporation
+1V25_DDR
MEM_ADDR5 RP46 75x4 RDQ0 RP47 47x4 MEM_DQ0
7 8 7 8
MEM_ADDR4 5 6 RDQ1 5 6 MEM_DQ1
MEM_ADDR13 RDQ2 MEM_DQ2
3 4 3 4
MEM_WE_1 1 2 RDQ3 1 2 MEM_DQ3
MEM_ADDR10 RP50 75x4 RDQ4 RP51 47x4 MEM_DQ4
7 8 7 8
MEM_ADDR0 RDQ5 MEM_DQ5
5 6 5 6
MEM_ADDR1 RDQ6 MEM_DQ6
3 4 3 4
MEM_ADDR2 RDQ7 MEM_DQ7
1 2 1 2
RP54 75x4 R258 47
MEM_ADDR9 7 8 RDQS0 MEM_DQS0
MEM_ADDR8 RDQM0 R260 47 MEM_DQM0
5 6
MEM_ADDR7 3 4 RDQM1 R262 47 MEM_DQM1
MEM_ADDR6 RDQS1 R264 47 MEM_DQS1
1 2
RDQ8 7 RP55 8 47x4 MEM_DQ8
MEM_ADDR12 R267 75 RDQ9 MEM_DQ9
5 6
RDQ10 3 4 MEM_DQ10
MEM_CAS_1 R269 75 RDQ11 MEM_DQ11
1 2
RDQ12 7 RP57 8 47x4 MEM_DQ12
RDQ13 MEM_DQ13
5 6
RDQ14 3 4 MEM_DQ14
RDQ15 MEM_DQ15
1 2
RDQ16 RP59 47x4 MEM_DQ16
7 8
RDQ17 5 6 MEM_DQ17
MEM_BA1 RP62 75x4 RDQ18 MEM_DQ18
1 2 3 4
MEM_BA0 3 4 RDQ19 1 2 MEM_DQ19
MEM_CS_1 RDQ20 RP63 47x4 MEM_DQ20
5 6 7 8
MEM_RAS_1 7 8 RDQ21 5 6 MEM_DQ21
RDQ22 MEM_DQ22
3 4
MEM_ADDR3 R271 75 RDQ23 1 2 MEM_DQ23
RDQS2 R272 47 MEM_DQS2
MEM_ADDR11 R275 75 RDQM2 R276 47 MEM_DQM2
RDQM3 R278 47 MEM_DQM3
MEM_CLKEN R281 (NC)75 RDQS3 R282 47 MEM_DQS3
RDQ24 RP65 47x4 MEM_DQ24
7 8
RDQ25 MEM_DQ25
5 6
RDQ26 MEM_DQ26
3 4
CLOSED TO DDR
RDQ27 MEM_DQ27
1 2
RDQ28 RP67 47x4 MEM_DQ28
7 8
RDQ29 MEM_DQ29
5 6
RDQ30
3 4 MEM_DQ30
RDQ31 MEM_DQ31
1 2
CLOSED TO MT5351
MEM_CLKA
R285
100
R0603
MEM_CLKA_1
B9105B_3V3
L228 SG20
MEM_CLKB
R288 +1V25_DDR
100 MEM_VREF
R0603
MEM_CLKB_1
C493 C491 C490
+
0.1U 0.1U 100U/16V
C0603 C0603 CE025063
CLOSED TO DDR
C507 C508 C509 C510 C511 C512 C515
C513 C514
0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U
0.1U 0.1U
C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603
C531 C532 C533 C534 C535 C536
C528 C529 C530
0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U 0.1U
C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603 C0603
BYPASS CAP. FOR TERMINATOR
(EVERY 2 RESISTOR PUT 1
BYPASS CAP.)
79
N3252w-1M
Confidential - Do Not Copy
+1V25_DDR
DV25 DV25
RP48 75x4
7 8
5 6
I128
3 4
1 2 1 66
VDD VSS
RP52 75x4 MEM_DQ0 MEM_DQ15
7 8 2 65
DQ0 DQ15
5 6 3 64
VDDQ VSSQ
MEM_DQ1 MEM_DQ14
3 4 4 63
DQ1 DQ14
MEM_DQ2 MEM_DQ13
1 2 5 62
DQ2 DQ13
R259 75
6 61
VSSQ VDDQ
R261 75 MEM_DQ3 MEM_DQ12
7 60
DQ3 DQ12
R263 75 MEM_DQ4 8 59 MEM_DQ11
DQ4 DQ11
R265 75
9 58
VDDQ VSSQ
7 RP56 8 75x4 MEM_DQ5 10 57 MEM_DQ10
DQ5 DQ10
MEM_DQ6 MEM_DQ9
5 6 11 56
DQ6 DQ9
3 4 12 55
VSSQ VDDQ
MEM_DQ7 MEM_DQ8
1 2 13 54
DQ7 DQ8
7 RP58 8 75x4 14 53
NC NC
5 6 15 52
VDDQ VSSQ
3 4 MEM_DQS0 16 51 MEM_DQS1
LDQS UDQS
MEM_ADDR13
1 2 17 50
NC NC
18 49 MEM_VREF
VDD VREF
RP60 75x4
7 8 19 48
NC VSS
5 6 MEM_DQM0 20 47 MEM_DQM1
LDM UDM
MEM_WE_1 MEM_CLKA_1
3 4 21 46
WE CLK
1 2 MEM_CAS_1 22 45 MEM_CLKA
CAS CLK
RP64 75x4 MEM_RAS_1 MEM_CLKEN
7 8 23 44
RAS CKE
5 6 MEM_CS_1 24 43
CS NC
MEM_ADDR12
3 4 25 42
NC A12
1 2 MEM_BA0 26 41 MEM_ADDR11
BS0 A11
R273 75 MEM_BA1 MEM_ADDR9
27 40
BS1 A9
R277 75 MEM_ADDR10 28 39 MEM_ADDR8
A10/AP A8
R279 75 MEM_ADDR0 MEM_ADDR7
29 38
A0 A7
R283 75 MEM_ADDR1 30 37 MEM_ADDR6
A1 A6
RP66 75x4 MEM_ADDR2 MEM_ADDR5
7 8 31 36
A2 A5
MEM_ADDR3 MEM_ADDR4
5 6 32 35
A3 A4
3 4 33 34
VDD VSS
1 2
RP68 75x4 16M x 16 DDR TSOP-66
7 8
TSOP66/SMD
5 6
DDR#1
3 4
1 2
12,15,18 B9105B_3V3
CLOSED TO DDR 11,12,13,14,15,17,18 GND
GLOBAL SIGNAL
B9105B_2V5
I150
15 RDQ[0..31]
1 8 R233
Vin VDDQ 15 RDQS[0..3]
1.21K1%
15 RDQM[0..3]
R0603
2 7
Vin VDDQ 15 RA[0..13]
15 RBA[0..1]
3 6
VTT ADJ 15 RCLK0
15 RCLK0_1
4 5
GND GND 15 RCS_1
R234
15 RRAS_1
AQ9105B 1.15K1% + C492
15 RCAS_1
R0603 47U/16V
15 RWE_1
CE025050
15 RCKE
15 RCLK1
15 RCLK1_1
18 MEM_VREF
DDR MEMORY
EQUAL LINE LENGTH
MEM_VREF
C494 C495 C496 C497
0.1U 0.1U
0.1U 0.1U
C0603 C0603 C0603 C0603
DV25
C517 C518 C519
+ C516
0.1U 0.1U 0.1U
100U/16V
CE025063 C0603 C0603 C0603
DV25
+ C537 C538 C539 C540
100U/16V 0.1U 0.1U 0.1U
CE025063 C0603 C0603 C0603
BYPASS CAP. FOR DDR
DV25 DV25
I129
1 66
VDD VSS
MEM_DQ16 MEM_DQ31
2 65
DQ0 DQ15
3 64
VDDQ VSSQ
MEM_DQ17 MEM_DQ30
4 63
DQ1 DQ14
MEM_DQ18 MEM_DQ29
5 62
DQ2 DQ13
6 61
VSSQ VDDQ
MEM_DQ19 MEM_DQ28
7 60
DQ3 DQ12
MEM_DQ20 8 59 MEM_DQ27
DQ4 DQ11
9 58
VDDQ VSSQ
MEM_DQ21 10 57 MEM_DQ26
DQ5 DQ10
MEM_DQ22 MEM_DQ25
11 56
DQ6 DQ9
12 55
VSSQ VDDQ
MEM_DQ23 MEM_DQ24
13 54
DQ7 DQ8
14 53
NC NC
15 52
VDDQ VSSQ
MEM_DQS2 16 51 MEM_DQS3
LDQS UDQS
MEM_ADDR13
17 50
NC NC
18 49 MEM_VREF
VDD VREF
19 48
NC VSS
MEM_DQM2 20 47 MEM_DQM3
LDM UDM
MEM_WE_1 MEM_CLKB_1
21 46
WE CLK
MEM_CAS_1 22 45 MEM_CLKB
CAS CLK
MEM_RAS_1 MEM_CLKEN
23 44
RAS CKE
MEM_CS_1 24 43
CS NC
MEM_ADDR12
25 42
NC A12
MEM_BA0 26 41 MEM_ADDR11
BS0 A11
MEM_BA1 MEM_ADDR9
27 40
BS1 A9
MEM_ADDR10 28 39 MEM_ADDR8
A10/AP A8
MEM_ADDR0 MEM_ADDR7
29 38
A0 A7
MEM_ADDR1 30 37 MEM_ADDR6
A1 A6
MEM_ADDR2 MEM_ADDR5
31 36
A2 A5
MEM_ADDR3 MEM_ADDR4
32 35
A3 A4
33 34
VDD VSS
16M x 16 DDR TSOP-66
TSOP66/SMD
DDR#2
B9105B_3V3
GND
RDQ[0..31]
RDQS[0..3]
RDQM[0..3] B9105B_2V5 DV25
RA[0..13] L152
RBA[0..1]
RCLK0
RCLK0_1 R121/0603
RCS_1 L0603 + C428 C430
RRAS_1 100U/16V 0.1U
RCAS_1 CE025063 C0603
RWE_1
RCKE
RCLK1
RCLK1_1
MEM_VREF
C498 C499 C500 C501 C502 C503
0.1U 0.1U 0.1U 0.1U 0.1U 0.1U
C0603 C0603 C0603 C0603 C0603 C0603
C520 C521 C522 C523 C524
0.1U 0.1U 0.1U 0.1U 0.1U
C0603 C0603 C0603 C0603 C0603
FOR DDR#1
C541 C542 C543 C544 C545
0.1U 0.1U 0.1U 0.1U 0.1U
C0603 C0603 C0603 C0603 C0603
FOR DDR#2