HYS64T256020EU-25F-B Datasheet, PDF (57/60 Pages) Qimonda AG – 240-Pin unbuffered DDR2 SDRAM Modules

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.
Example for
Micro-DIMM
DDR2 DRAM
Field Number
1
2
3
HYS 64
T
HYB 18
T
4
5
6
64/128 0
2
512/1G 16
TABLE 30
Nomenclature Fields and Examples
7
8
9
10
11
0
K
M
–5
–A
0
A
C
–5
Field
1
2
3
4
Description
Qimonda Module Prefix
Module Data Width [bit]
DRAM Technology
Memory Density per I/O [Mbit];
Module Density¹⁾
5
Raw Card Generation
6
Number of Module Ranks
7
Product Variations
8
Package, Lead-Free Status
9
Module Type
Values
HYS
64
72
T
32
64
128
256
512
0 .. 9
0, 2, 4
0 .. 9
A .. Z
D
M
R
U
F
TABLE 31
DDR2 DIMM Nomenclature
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. 1.0, 2006-10
57
10262006-SX8C-DEY8