參數(shù)資料
型號： MT47H128M8HQ-187ELAT:E
元件分類： DRAM
英文描述： 128M X 8 DDR DRAM, 0.35 ns, PBGA60
封裝： 8 X 11.50 MM, ROHS COMPLIANT, FBGA-60
文件頁數(shù)： 94/133頁
文件大?。?/td> 9170K
DDR2-667. It is not advised to operate DDR2-800 and DDR2-1066 devices with single-
ended DQS; however, Table 32 would be used with the base values.
Table 32: Single-Ended DQS Slew Rate Derating Values Using tDSb and tDHb
Reference points indicated in bold; Derating values are to be used with base tDSb- and tDHb--specified values
DQ (V/ns)
DQS Single-Ended Slew Rate Derated (at VREF)
2.0 V/ns
1.8 V/ns
1.6 V/ns
1.4 V/ns
1.2 V/ns
1.0 V/ns
0.8 V/ns
0.6 V/ns
0.4 V/ns
tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH
2.0
130
53
130
53
130
53
130
53
130
53
145
48
155
45
165
41
175
38
1.5
97
32
97
32
97
32
97
32
97
32
112
27
122
24
132
20
142
17
1.0
30
–10
30
–10
30
–10
30
–10
30
–10
45
–15
55
–18
65
–22
75
–25
0.9
25
–24
25
–24
25
–24
25
–24
25
–24
40
–29
50
–32
60
–36
70
–39
0.8
17
–41
17
–41
17
–41
17
–41
17
–41
32
–46
42
–49
52
–53
61
–56
0.7
5
–64
5
–64
5
–64
5
–64
5
–64
20
–69
30
–72
40
–75
50
–79
0.6
–7
–93
–7
–93
–7
–93
–7
–93
–7
–93
8
–98
18
–102
28
–105
38
–108
0.5
–28 –135 –28 –135 –28 –135 –28 –135 –28 –135 –13 –140
–3
–143
7
–147
17
–150
0.4
–78 –198 –78 –198 –78 –198 –78 –198 –78 –198 –63 –203 –53 –206 –43 –210 –33 –213
Table 33: Single-Ended DQS Slew Rate Fully Derated (DQS, DQ at VREF) at DDR2-667
Reference points indicated in bold
DQ (V/ns)
DQS Single-Ended Slew Rate Derated (at VREF)
2.0 V/ns
1.8 V/ns
1.6 V/ns
1.4 V/ns
1.2 V/ns
1.0 V/ns
0.8 V/ns
0.6 V/ns
0.4 V/ns
tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH tDS tDH
2.0
330 291 330 291 330 291 330 291 330 291
345
286
355 282 365
29
375 276
1.5
330 290 330 290 330 290 330 290 330 290
345
285
355 282 365 279 375 275
1.0
330 290 330 290 330 290 330 290 330 290
345
285 355 282 365 278 375 275
0.9
347 290 347 290 347 290 347 290 347 290
362
285
372 282 382 278 392 275
0.8
367 290 367 290 367 290 367 290 367 290
382
285
392 282 402 278 412 275
0.7
391 290 391 290 391 290 391 290 391 290
406
285
416 281 426 278 436 275
0.6
426 290 426 290 426 290 426 290 426 290
441
285
451 282 461 278 471 275
0.5
472 290 472 290 472 290 472 290 472 290
487
285
497 282 507 278 517 275
0.4
522 289 522 289 522 289 522 289 522 289
537
284
547 281 557 278 567 274
1Gb: x4, x8, x16 DDR2 SDRAM
Input Slew Rate Derating
PDF: 09005aef821ae8bf
1GbDDR2.pdf – Rev. S 10/09 EN
63
Micron Technology, Inc. reserves the right to change products or specifications without notice.
2004 Micron Technology, Inc. All rights reserved.
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相關代理商/技術參數(shù)
參數(shù)描述
MT47H128M8HQ-25AT 制造商:MICRON 制造商全稱:Micron Technology 功能描述:DDR2 SDRAM
MT47H128M8HQ-25EAT 制造商:MICRON 制造商全稱:Micron Technology 功能描述:DDR2 SDRAM
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