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HYS64T256020HU Datasheet, PDF (44/61 Pages) Qimonda AG – 240-Pin Unbuffered DDR2 SDRAM Modules
Internet Data Sheet
HYS[64/72]T256xxxHU–[3/…/5]–A
Unbuffered DDR2 SDRAM Modules
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 / ∆T4R4W Delta
Psi(T-A) DRAM
∆T0 (DT0)
∆T2N (DT2N, UDIMM) or ∆T2Q (DT2Q, RDIMM)
∆T2P (DT2P)
∆T3N (DT3N)
∆T3P.fast (DT3P fast)
∆T3P.slow (DT3P slow)
∆T4R (DT4R) / ∆T4R4W Sign (DT4R4W)
∆T5B (DT5B)
∆T7 (DT7)
Psi(ca) PLL
Psi(ca) REG
∆TPLL (DTPLL)
∆TREG (DTREG) / Toggle Rate
SPD Revision
HYS64T256020HU–3S–A HYS72T256020HU–3S–A
2 GByte
2 GByte
×64
×72
2 Ranks (×8)
2 Ranks (×8)
PC2–5300U–555
PC2–5300E–555
Rev. 1.2
Rev. 1.2
HEX
2D
01
20
27
10
17
3C
1E
1E
00
06
3C
7F
80
18
22
00
50
58
37
32
21
24
23
17
4A
21
28
00
00
00
00
12
HEX
2D
01
20
27
10
17
3C
1E
1E
00
06
3C
7F
80
18
22
00
50
58
37
32
21
24
23
17
4A
21
28
00
00
00
00
12
Rev. 1.32, 2006-09
44
03062006-5RK8-1X8J