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M312L2920BG0-B0 Datasheet(PDF) 4 Page - Samsung semiconductor

Part # M312L2920BG0-B0
Description  DDR SDRAM Registered Module
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Manufacturer  SAMSUNG [Samsung semiconductor]
Direct Link  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

M312L2920BG0-B0 Datasheet(HTML) 4 Page - Samsung semiconductor

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DDR SDRAM
1GB, 2GB Registered DIMM
Rev. 1.1 August. 2003
Pin Configuration (Front side/back side)
Note :
1. * : These pins are not used in this module.
2. Pins 111, 158 are NC for 1row module [M312L2920BG0] & used for 2row module [M312L2923BG0, M312L5720BG0 ]
3. Pins 97, 107, 119, 129, 140, 149, 159, 169, 177 : DM (x8 base module) or DQS (x4 base module).
Pin
Front
Pin
Front
Pin
Front
Pin
Back
Pin
Back
Pin
Back
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
VREF
DQ0
VSS
DQ1
DQS0
DQ2
VDD
DQ3
NC
/RESET
VSS
DQ8
DQ9
DQS1
VDDQ
*CK1
*/CK1
VSS
DQ10
DQ11
CKE0
VDDQ
DQ16
DQ17
DQS2
VSS
A9
DQ18
A7
VDDQ
DQ19
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
A5
DQ24
VSS
DQ25
DQS3
A4
VDD
DQ26
DQ27
A2
VSS
A1
CB0
CB1
VDD
DQS8
A0
CB2
VSS
CB3
BA1
DQ32
VDDQ
DQ33
DQS4
DQ34
VSS
BA0
DQ35
DQ40
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
VDDQ
/WE
DQ41
/CAS
VSS
DQS5
DQ42
DQ43
VDD
*/CS2
DQ48
DQ49
VSS
*CK2
*/CK2
VDDQ
DQS6
DQ50
DQ51
VSS
VDDID
DQ56
DQ57
VDD
DQS7
DQ58
DQ59
VSS
NC
SDA
SCL
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
VSS
DQ4
DQ5
VDDQ
DM0/DQS9
DQ6
DQ7
VSS
NC
NC
NC
VDDQ
DQ12
DQ13
DM1/DQS10
VDD
DQ14
DQ15
CKE1
VDDQ
*BA2
DQ20
A12
VSS
DQ21
A11
DM2/DQS11
VDD
DQ22
A8
DQ23
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
VSS
A6
DQ28
DQ29
VDDQ
DM3/DQS12
A3
DQ30
VSS
DQ31
CB4
CB5
VDDQ
CK0
/CK0
VSS
DM8/DQS17
A10
CB6
VDDQ
CB7
VSS
DQ36
DQ37
VDD
DM4/DQS13
DQ38
DQ39
VSS
DQ44
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
/RAS
DQ45
VDDQ
/CS0
/CS1
DM5/DQS14
VSS
DQ46
DQ47
*/CS3
VDDQ
DQ52
DQ53
*A13
VDD
DM6/DQS15
DQ54
DQ55
VDDQ
NC
DQ60
DQ61
VSS
DM7/DQS16
DQ62
DQ63
VDDQ
SA0
SA1
SA2
VDDSPD
Pin Description
Pin Name
Function
Pin Name
Function
A0 ~ A12
Address input (Multiplexed)
DM0 ~ DM8
Data - in mask
BA0 ~ BA1
Bank Select Address
VDD
Power supply (2.5V)
DQ0 ~ DQ63
Data input/output
VDDQ
Power Supply for DQS(2.5V)
DQS0 ~ DQS17
Data Strobe input/output
VSS
Ground
CK0,CK0 ~ CK2, CK2
Clock input
VREF
Power supply for reference
CKE0, CKE1(for double banks)
Clock enable input
VDDSPD
Serial EEPROM Power/Supply ( 2.3V to 3.6V )
CS0, CS1(for double banks)
Chip select input
SDA
Serial data I/O
RAS
Row address strobe
SCL
Serial clock
CAS
Column address strobe
SA0 ~ 2
Address in EEPROM
WE
Write enable
NC
No connection
CB0 ~ CB7
Check bit(Data-in/data-out)
KEY
KEY


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