Internet Data Sheet
HYS[64/72]T256xxxHU–[3/…/5]–A
Unbuffered DDR2 SDRAM Modules
6
Product Type Nomenclature
(DDR2 DRAMs and DIMMs)
Qimonda’s nomenclature uses simple coding combined with some propriatory coding.
provides examples for module
and component product type number as well as the field number. The detailed field description together with possible values
and coding explanation is listed for modules in
and for components in
TABLE 32
Nomenclature Fields and Examples
Example for
Field Number
1
Micro-DIMM
DDR2 DRAM
HYS
HYB
2
64
18
3
T
T
4
64/128
5
0
6
2
7
0
0
8
K
A
9
M
C
10
–5
–5
11
–A
512/1G 16
TABLE 33
DDR2 DIMM Nomenclature
Field
1
2
3
4
Description
Qimonda Module Prefix
Module Data Width [bit]
DRAM Technology
Memory Density per I/O [Mbit];
Module Density
1)
Values
HYS
64
72
T
32
64
128
256
512
5
6
7
8
9
Raw Card Generation
Number of Module Ranks
Product Variations
Package, Lead-Free Status
Module Type
0 .. 9
0, 2, 4
0 .. 9
A .. Z
D
M
R
U
F
Coding
Constant
Non-ECC
ECC
DDR2
256 MByte
512 MByte
1 GByte
2 GByte
4 GByte
Look up table
1, 2, 4
Look up table
Look up table
SO-DIMM
Micro-DIMM
Registered
Unbuffered
Fully
Buffered
Rev. 1.32, 2006-09
03062006-5RK8-1X8J
58
QIMONDA [ QIMONDA AG ]
