Internet Data Sheet
HYS[64/72]T256020EU-[25F/2.5/3/3S/3.7]-B
Unbuffered DDR2 SDRAM Module
6
Product Type Nomenclature
Qimonda´s nomenclature uses simple coding combined with some propriatory coding. Table 30 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 Table 31 and for components in Table 32.
TABLE 30
Nomenclature Fields and Examples
Example for
Field Number
1
2
3
4
5
6
7
8
9
10
11
Micro-DIMM
DDR2 DRAM
HYS
HYB
64
18
T
T
64/128
0
2
0
0
K
A
M
C
–5
–5
–A
512/1G 16
TABLE 31
DDR2 DIMM Nomenclature
Field
Description
Values
Coding
1
2
Qimonda Module Prefix
Module Data Width [bit]
HYS
64
Constant
Non-ECC
ECC
72
3
4
DRAM Technology
T
DDR2
Memory Density per I/O [Mbit];
Module Density1)
32
256 MByte
512 MByte
1 GByte
2 GByte
4 GByte
64
128
256
512
0 .. 9
0, 2, 4
0 .. 9
A .. Z
D
5
6
7
8
9
Raw Card Generation
Number of Module Ranks
Product Variations
Look up table
1, 2, 4
Look up table
Look up table
SO-DIMM
Package, Lead-Free Status
Module Type
M
Micro-DIMM
Registered
Unbuffered
Fully Buffered
R
U
F
Rev. 1.0, 2006-10
57
10262006-SX8C-DEY8