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EBD21RD4ADNA Datasheet(PDF) 2 Page - Elpida Memory

Part No. EBD21RD4ADNA
Description  2GB Registered DDR SDRAM DIMM (256M words X72 bits, 2 Ranks)
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Maker  ELPIDA [Elpida Memory]
Homepage  http://www.elpida.com/en
Logo ELPIDA - Elpida Memory

EBD21RD4ADNA Datasheet(HTML) 2 Page - Elpida Memory

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EBD21RD4ADNA
Preliminary Data Sheet E0433E10 (Ver. 1.0)
2
Ordering Information
Part number
Data rate
Mbps (max.)
Component JEDEC speed bin*
1
(CL-tRCD-tRP)
Package
Contact
pad
Mounted devices
EBD21RD4ADNA-6B
EBD21RD4ADNA-7A
EBD21RD4ADNA-7B
333
266
266
DDR333B (2.5-3-3)
DDR266A (2-3-3)
DDR266B (2.5-3-3)
184-pin
DIMM
Gold
512M bits DDR
SDRAM TCP*
2
Notes: 1. Module /CAS latency = component CL + 1
2. Please refer to 512Mb DDR TSOP product datasheet (E0384E) for electrical characteristics.
Pin Configurations
1 pin
Front side
Back side
52 pin 53 pin
92 pin
93 pin
144 pin 145 pin 184 pin
Pin No.
Pin name
Pin No.
Pin name
Pin No.
Pin name
Pin No.
Pin name
1
VREF
47
DQS8
93
VSS
139
VSS
2
DQ0
48
A0
94
DQ4
140
DM8/DQS17
3
VSS
49
CB2
95
DQ5
141
A10
4
DQ1
50
VSS
96
VDD
142
CB6
5
DQS0
51
CB3
97
DM0/DQS9
143
VDD
6
DQ2
52
BA1
98
DQ6
144
CB7
7
VDD
53
DQ32
99
DQ7
145
VSS
8
DQ3
54
VDD
100
VSS
146
DQ36
9
NC
55
DQ33
101
NC
147
DQ37
10
/RESET
56
DQS4
102
NC
148
VDD
11
VSS
57
DQ34
103
NC
149
DM4/DQS13
12
DQ8
58
VSS
104
VDD
150
DQ38
13
DQ9
59
BA0
105
DQ12
151
DQ39
14
DQS1
60
DQ35
106
DQ13
152
VSS
15
VDD
61
DQ40
107
DM1/DQS10
153
DQ44
16
NC
62
VDD
108
VDD
154
/RAS
17
NC
63
/WE
109
DQ14
155
DQ45
18
VSS
64
DQ41
110
DQ15
156
VDD
19
DQ10
65
/CAS
111
CKE1
157
/CS0
20
DQ11
66
VSS
112
VDD
158
/CS1
21
CKE0
67
DQS5
113
NC
159
DM5/DQS14
22
VDD
68
DQ42
114
DQ20
160
VSS
23
DQ16
69
DQ43
115
A12
161
DQ46
24
DQ17
70
VDD
116
VSS
162
DQ47
25
DQS2
71
NC
117
DQ21
163
NC
26
VSS
72
DQ48
118
A11
164
VDD
27
A9
73
DQ49
119
DM2/DQS11
165
DQ52
28
DQ18
74
VSS
120
VDD
166
DQ53


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