Internet Data Sheet
HYS[64/72]D[32/64/128]xxx[G/H]U–[5/6]–B
Unbuffered DDR SDRAM Modules
Product Type
Organization
256MB
512MB
512MB
1 GByte 1 GByte
×64 ×72
2 Ranks 2 Ranks
×64
×64
×72
1 Rank
1 Rank
1 Rank
(×16)
(×8)
(×8)
(×8) (×8)
Label Code
PC3200U PC3200U PC3200U PC3200U PC3200U
–30331 –30330 –30330 –30330 –30330
JEDEC SPD Revision
Rev. 1.0 Rev. 0.0 Rev. 0.0 Rev. 0.0 Rev. 0.0
Byte#
Description
HEX
HEX
HEX
HEX
HEX
23
24
25
26
27
28
29
30
31
32
33
34
35
t
t
t
t
t
t
t
t
CK @ CLmax -0.5 (Byte 18) [ns]
AC SDRAM @ CLmax -0.5 [ns]
CK @ CLmax -1 (Byte 18) [ns]
AC SDRAM @ CLmax -1 [ns]
RPmin [ns]
60
50
75
50
3C
28
3C
28
40
60
60
40
40
00
37
41
28
28
50
00
01
00
10
16
7F
60
50
75
50
3C
28
3C
28
80
60
60
40
40
00
37
41
28
28
50
00
00
00
00
3E
7F
60
50
75
50
3C
28
3C
28
80
60
60
40
40
00
37
41
28
28
50
00
00
00
00
50
7F
60
50
75
50
3C
28
3C
28
80
60
60
40
40
00
37
41
28
28
50
00
00
00
00
3F
7F
60
50
75
50
3C
28
3C
28
80
60
60
40
40
00
37
41
28
28
50
00
00
00
00
51
7F
RRDmin [ns]
RCDmin [ns]
RASmin [ns]
Module Density per Rank
tAS, CS [ns]
tAH, CH [ns]
DS [ns]
DH [ns]
t
t
t
t
36 - 40 Not used
41
42
43
44
45
46
47
t
t
t
t
t
RCmin [ns]
RFCmin [ns]
CKmax [ns]
DQSQmax [ns]
QHSmax [ns]
Not used
DIMM PCB Height
48 - 61 Not used
62
63
64
SPD Revision
Checksum of Byte 0-62
Manufacturer’s JEDEC ID Code (1)
Rev. 1.22, 2007-01
29
03292006-CXBY-V2JX
QIMONDA [ QIMONDA AG ]
