Index DW9937S Service Manual page 78

A
SDRAM_A0
29
3 SDRAM_A0
SDRAM_A1
30
3 SDRAM_A1
SDRAM_A2
31
3 SDRAM_A2
SDRAM_A3
32
3 SDRAM_A3
SDRAM_A4
4 35
3 SDRAM_A4
SDRAM_A5
36
3 SDRAM_A5
SDRAM_A6
37
3 SDRAM_A6
SDRAM_A7
38
3 SDRAM_A7
SDRAM_A8
39
3 SDRAM_A8
SDRAM_A9
40
3 SDRAM_A9
SDRAM_A10
28
3 SDRAM_A10
SDRAM_A11
41
3 SDRAM_A11
SDRAM_A12
42
3 SDRAM_A12
SDRAM_A14
26
3 SDRAM_A14
SDRAM_A15
27
3 SDRAM_A15
24
3 SDRAM_CS0
44
3 SDRAM_CLKE
23
3 SDRAM_RAS#
22
3 SDRAM_CAS#
21
3 SDRAM_WE#
20
3 SDRAM_DQM0
47
3 SDRAM_DQM1
16
3 SDRAM_DQS0
51
3 SDRAM_DQS1
45
3 SDRAM_CLK0
46
3 SDRAM_CLK#0
49
2,3 VREF
DDR_VDD
18
33
3
15
55
61
SDRAM_A0
29
3 SDRAM_A0
SDRAM_A1
30
3 SDRAM_A1
SDRAM_A2
31
3 SDRAM_A2
SDRAM_A3 32
3 SDRAM_A3
SDRAM_A4
35
3 SDRAM_A4
SDRAM_A5
36
3 SDRAM_A5
SDRAM_A6
37
3 SDRAM_A6
SDRAM_A7
38
3 SDRAM_A7
SDRAM_A8
39
3 SDRAM_A8
SDRAM_A9
40
3 SDRAM_A9
SDRAM_A10
28
3 SDRAM_A10
SDRAM_A11
41
3 SDRAM_A11
SDRAM_A12
42
3 SDRAM_A12
SDRAM_A14
26
3 SDRAM_A14
SDRAM_A15
2 27
3 SDRAM_A15
24
3 SDRAM_CS0
44
23
22
21
20
3 SDRAM_DQM2
47
3 SDRAM_DQM3
16
3 SDRAM_DQS2
51
3 SDRAM_DQS3
45
3 SDRAM_CLK1
46
3 SDRAM_CLK#1
DDR_VDD
49
18
33
15
55
61
SSTL2_VDD
1
A
B
3 SDRAM_DQ[31..0]
U3
SDRAM_DQ0
2
A0 D0
SDRAM_DQ1
4
A1 D1
SDRAM_DQ2
5
A2 D2
SDRAM_DQ3
7
A3 D3
SDRAM_DQ4
8
A4 D4
SDRAM_DQ5
10
A5 D5
SDRAM_DQ6
11
A6 D6
SDRAM_DQ7
13
A7 D7
SDRAM_DQ8
54
A8 D8
SDRAM_DQ9
56
A9 D9
SDRAM_DQ10
57
A10/AP D10
SDRAM_DQ11
59
A11 D11
SDRAM_DQ12
60
A12 D12
SDRAM_DQ13
62
BA0 D13
SDRAM_DQ14
63
BA1 D14
SDRAM_DQ15
65
D15
CS#
CKE
RAS#
CAS#
WE#
14
LDM NC
17
UDM NC
19
LDQS NC
25
UDQS NC
43
CLK NC
50
CLK# NC
53
NC
VREF
1 34
VCC GND
48
VCC GND
66
VCC GND
3 6
VCCQ GNDQ
9 12
VCCQ GNDQ
52
VCCQ GNDQ
58
VCCQ GNDQ
64
VCCQ GNDQ
8MX16 DDR
GND
C124 10UF/1206
U4
SDRAM_DQ16
2
A0 D0
SDRAM_DQ17
4
A1 D1
SDRAM_DQ18
5
A2 D2
7 SDRAM_DQ19
A3 D3
SDRAM_DQ20
8
A4 D4
SDRAM_DQ21
10
A5 D5
SDRAM_DQ22
11
A6 D6
SDRAM_DQ23
13
A7 D7
SDRAM_DQ24
54
A8 D8
SDRAM_DQ25
56
A9 D9
SDRAM_DQ26
57
A10/AP D10
SDRAM_DQ27
59
A11 D11
SDRAM_DQ28
60
A12 D12
SDRAM_DQ29
62
BA0 D13
SDRAM_DQ30
63
BA1 D14
SDRAM_DQ31
65
D15
CS#
CKE
RAS#
CAS#
WE#
14
LDM NC
17
UDM NC
19
LDQS NC
25
UDQS NC
43
CLK NC
50
CLK# NC
53
NC
VREF
1 34
VCC GND
48
VCC GND
66
VCC GND
3 6
VCCQ GNDQ
9 12
VCCQ GNDQ
52
VCCQ GNDQ
58
VCCQ GNDQ
64
VCCQ GNDQ
8MX16 DDR
GND
C141 10UF/1206
B
C
LAYOUT
NOTE:
PLACEMENT
SSTL2_VDD DDR_VDD
FB2
B601
V33
Option for DDR with 3.3V VDD
FB3
*B601
C108 C109 C110
CA5
+
T47u/16 104 104 104
GND
SSTL2_VDD
C115 C116 C117 C118 C119 C120
104 104 104 104 104 102
GND
DDR_VDD
C125 C126 C127 C128 C129 C130
104 104 104 102 102 102
GND
SSTL2_VDD
C132 C133 C134 C135 C136 C137
104 104 104 104 104 102
GND
C
76
D
SDRAM_CS0
M2
U25
E5 SDRAM_CLK1
M1
U22
SDRAM_CLK0
C111 C112 C113
C114
+
102 102 102 10UF/1206
C121 C122 C123
102 102 102
C131
+
T47u/16
C138 C139 C140
102 102 102
GND_SSTL2
GND
LSI LOGIC
560 COTTONWOOD DR.
MILPITAS, CA 95035
U. S. A.
Title
2 (8M x 16) DDR SDRAM
Size Document Number
Custom
Date: Monday, June 07, 2004
D
E
4
3
2
1
Rev
A1
Sheet 4 of 12
E