Internet Data Sheet
HYS[64/72]T[32/64/128]xx0HU-[25F/2.5/3/3S/3.7/5]-B
Unbuffered DDR2 SDRAM Module
Product Type
Organization
512MB
1 GByte
1 GByte
1 GByte
×72
×64
×64
×72
1 Rank (×8) 2 Ranks (×8) 2 Ranks (×8) 2 Ranks (×8)
Label Code
PC2– PC2– PC2– PC2–
4200E–444 4200U–444 4200U–444 4200E–444
JEDEC SPD Revision
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Rev. 1.2
HEX
Byte#
Description
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
t
t
t
t
t
t
t
t
CK @ CLMAX -1 (Byte 18) [ns]
AC SDRAM @ CLMAX -1 [ns]
CK @ CLMAX -2 (Byte 18) [ns]
AC SDRAM @ CLMAX -2 [ns]
RP.MIN [ns]
3D
50
50
60
3C
1E
3C
2D
80
25
37
10
22
3C
1E
1E
00
00
3C
69
80
1E
28
00
50
7A
3D
50
50
60
3C
1E
3C
2D
80
25
37
10
22
3C
1E
1E
00
00
3C
69
80
1E
28
00
50
7A
3D
50
50
60
3C
1E
3C
2D
80
25
37
10
22
3C
1E
1E
00
00
3C
69
80
1E
28
00
50
7A
3D
50
50
60
3C
1E
3C
2D
80
25
37
10
22
3C
1E
1E
00
00
3C
69
80
1E
28
00
50
7A
RRD.MIN [ns]
RCD.MIN [ns]
RAS.MIN [ns]
Module Density per Rank
t
t
t
t
t
t
t
AS.MIN and tCS.MIN [ns]
AH.MIN and tCH.MIN [ns]
DS.MIN [ns]
DH.MIN [ns]
WR.MIN [ns]
WTR.MIN [ns]
RTP.MIN [ns]
Analysis Characteristics
t
t
t
t
t
t
RC and tRFC Extension
RC.MIN [ns]
RFC.MIN [ns]
CK.MAX [ns]
DQSQ.MAX [ns]
QHS.MAX [ns]
PLL Relock Time
CASE.MAX Delta / ∆T4R4W Delta
Psi(T-A) DRAM
T
Rev. 1.3, 2006-12
71
03292006-6GMD-RSFT