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PDF UG64T6400L8DU Data sheet ( Hoja de datos )
| Número de pieza | UG64T6400L8DU | |
| Descripción | 512M-Byte DDR2 SDRAM | |
| Fabricantes | Unigen | |
| Logotipo |  |
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SYNCHRONOUS
DRAM MODULE
FEATURES
• 240-pin, dual in-line memory module (DIMM)
• Fast data transfer rates: PC2-3200 or PC2-4200
• Utilizes 400 MT/s and 533 MT/s DDR2 SDRAM components
• VDD = +1.8V ± 0.1V, VDDQ = +1.8V ± 0.1V
• VDDSDP = +1.7V to +3.6V
• JEDEC standard 1.8V I/O (SSTL_18-compatible)
• Differential data strobe (DQS, /DQS) option
• Four-bit prefetch architecture
• Differential clock inputs (CK, /CK)
• Commands entered on each rising CK edge
• DQS edge-aligned with data for READs
• DQS center-aligned with data for WRITEs
• DLL to align DQ and DQS transitions with CK
• Four or eight internal device banks for concurrent operation
• Data mask (DM) for masking write data
• Programmable /CAS latency (CL): 3 and 4
• Posted /CAS additive latency (AL): 0, 1, 2, 3, and 4
• WRITE latency = READ latency - 1 t CK
• Programmable burst lengths: 4 or 8
• READ burst interrupt supported by another READ
• WRITE burst interrupt supported by another WRITE
• Adjustable data-output drive strength
• Concurrent auto precharge option is supported
• Auto Refresh (CBR) and Self Refresh Mode
• 7.8125µs maximum average periodic refresh interval
• 64ms, 8,192-cycle refresh
• Off-chip driver (OCD) impedance calibration
• On-die termination (ODT)
• Serial Presence Detect (SPD) with EEPROM
• Gold edge contacts
• PCB : Height (1180mil), single sided component
ABSOLUTE MAXIMUM RATINGS
• Voltage Relative to GND
• Operating Temperature
• Storage Temperature
• Short circuit Output Current
• Power Dissipation
-1.0 to + 2.3V
0 to + 65°C
-55°C to + 100°C
50mA
8W
PART IDENTIFICATION
PART NO.
REF. CYCLE
SDRAM
PACKAGE
PLATING
UG64T6400L8DU
8K
CSP
Gold
SPEED INFORMATION
Module Marking
-4AL
-5AL
CAS Latency
CL3 (PC3200)
CL4 (PC4200)
SPEED
5.0ns
3.75ns
400Mps@
533Mps@
REVISION HISTORY
Mar 30, 2005
Rev - A Product brief released.
Re-Tek- 1338
http://www.unigen.com,
UG64T6400L8DU
Data sheets can be downloaded at www.unigen.com
512M Bytes (64M x 64 bits)
240 Pin DDR2 SDRAM Unbuffered DIMM
based on 8 pcs 64M x 8 DDR2 SDRAM 8K Refresh
PIN ASSIGNMENT (Front View)
240-Pin DIMM
PIN
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
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
SYMBOL
VREF
VSS
DQ0
DQ1
VSS
/DQS0
DQS0
VSS
DQ2
DQ3
VSS
DQ8
DQ9
VSS
/DQS1
DQS1
VSS
/RESET
NC
VSS
DQ10
DQ11
VSS
DQ16
DQ17
VSS
/DQS2
DQS2
VSS
DQ18
DQ19
VSS
DQ24
DQ25
VSS
/DQS3
DQS3
VSS
DQ26
DQ27
VSS
NC
NC
VSS
NC
NC
VSS
NC
NC
VSS
VDDQ
CKE0
VDD
NC
NC
VDDQ
A11
A7
VDD
A5
PIN
61
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
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
SYMBOL
A4
VDDQ
A2
VDD
VSS
VSS
VDD
NC
VDD
A10/AP
BA0
VDDQ
/WE
/CAS
VDDQ
NC
ODT1
VDDQ
VSS
DQ32
DQ33
VSS
/DQS4
DQS4
VSS
DQ34
DQ35
VSS
DQ40
DQ41
VSS
/DQS5
DQS5
VSS
DQ42
DQ43
VSS
DQ48
DQ49
VSS
SA2
NC(TEST)
VSS
/DQS6
DQS6
VSS
DQ50
DQ51
VSS
DQ56
DQ57
VSS
/DQS7
DQS7
VSS
DQ58
DQ59
VSS
SDA
SCL
PIN
121
122
123
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
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
SYMBOL
VSS
DQ4
DQ5
VSS
DM0/DQS9
NC/ /DQS9
VSS
DQ6
DQ7
VSS
DQ12
DQ13
VSS
DM1/DQS10
NC/ /DQS10
VSS
CK1
/CK1
VSS
DQ14
DQ15
VSS
DQ20
DQ21
VSS
DM2/DQS11
NC/ /DQS11
VSS
DQ22
DQ23
VSS
DQ28
DQ29
VSS
DM3/DQS12
NC/ /DQS12
VSS
DQ30
DQ31
VSS
NC
NC
VSS
NC
NC
VSS
NC
NC
VSS
VDDQ
NC
VDD
A15
A14
VDDQ
A12
A9
VDD
A8
A6
PIN
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
SYMBOL
VDDQ
A3
A1
VDD
CK0
/CK0
VDD
A0
VDD
BA1
VDDQ
/RAS
/S0
VDDQ
ODT0
A13
VDD
VSS
DQ36
DQ37
VSS
DM4/DQS13
NC/ /DQS13
VSS
DQ38
DQ39
VSS
DQ44
DQ45
VSS
DM5/DQS14
NC/ /DQS14
VSS
DQ46
DQ47
VSS
DQ52
DQ53
VSS
CK2
/CK2
VSS
DM6/DQS15
NC/ /DQS15
VSS
DQ54
DQ55
VSS
DQ60
DQ61
VSS
DM7/DQS16
NC/ /DQS16
VSS
DQ62
DQ63
VSS
VDDSPD
SA0
SA1
1 45388 Warm Springs Blvd. Fremont, CA. 94539
TEL: (510) 668-2088
FAX: (510)661-2788
Customer Comment Line: 1-800-826-0808
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| PDF Descargar | [ Datasheet UG64T6400L8DU.PDF ] | |
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