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HYS64T256020EU-25F-B Datasheet, PDF (44/60 Pages) Qimonda AG – 240-Pin unbuffered DDR2 SDRAM Modules | |||
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Internet Data Sheet
HYS[64/72]T256020EU-[25F/2.5/3/3S/3.7]-B
Unbuffered DDR2 SDRAM Module
Product Type
Organization
Label Code
JEDEC SPD Revision
Byte#
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
61
62
Description
tRAS.MIN [ns]
Module Density per Rank
tAS.MIN and tCS.MIN [ns]
tAH.MIN and tCH.MIN [ns]
tDS.MIN [ns]
tDH.MIN [ns]
tWR.MIN [ns]
tWTR.MIN [ns]
tRTP.MIN [ns]
Analysis Characteristics
tRC and tRFC Extension
tRC.MIN [ns]
tRFC.MIN [ns]
tCK.MAX [ns]
tDQSQ.MAX [ns]
tQHS.MAX [ns]
PLL Relock Time
TCASE.MAX Delta / âT4R4W Delta
Psi(T-A) DRAM
âT0 (DT0)
âT2N (DT2N, UDIMM) or âT2Q (DT2Q, RDIMM)
âT2P (DT2P)
âT3N (DT3N)
âT3P.fast (DT3P fast)
âT3P.slow (DT3P slow)
âT4R (DT4R) / âT4R4W Sign (DT4R4W)
âT5B (DT5B)
âT7 (DT7)
Psi(ca) PLL
Psi(ca) REG
âTPLL (DTPLL)
âTREG (DTREG) / Toggle Rate
SPD Revision
HYS64T256020EUâ3âB
2 GByte
Ã64
2 Ranks (Ã8)
PC2â5300Uâ444
Rev. 1.2
HEX
2D
01
20
27
10
17
3C
1E
1E
00
06
39
7F
80
18
22
00
56
60
47
37
2B
28
3E
21
42
24
2F
00
00
00
00
12
HYS72T256020EUâ3âB
2 GByte
Ã72
2 Ranks (Ã8)
PC2â5300Eâ444
Rev. 1.2
HEX
2D
01
20
27
10
17
3C
1E
1E
00
06
39
7F
80
18
22
00
56
60
47
37
2B
28
3E
21
42
24
2F
00
00
00
00
12
Rev. 1.0, 2006-10
44
10262006-SX8C-DEY8
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