HYS64T128020GU-37-A INFINEON [Infineon Technologies AG], HYS64T128020GU-37-A Datasheet - Page 65

• Manufacturer Part Number: HYS64T128020GU-37-A
• Description: 240-Pin Unbuffered DDR2 SDRAM Modules
• Manufacturer: INFINEON [Infineon Technologies AG]

8
Infineon’s nomenclature uses simple coding combined with some propriatory coding.
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
Example for
Micro-DIMM
DDR2 DRAM
Table 32
Field
1) Multiplying “Memory Density per I/O” with “Module Data Width” and dividing by 8 for Non-ECC and 9 for ECC modules
Data Sheet
1
2
3
4
5
6
7
8
9
10
11
gives the overall module memory density in MBytes as listed in column “Coding”.
Product Type Nomenclature (DDR2 DRAMs and DIMMs)
Nomenclature Fields and Examples
DDR2 DIMM Nomenclature
Description
INFINEON Modul Prefix
Module Data Width [bit]
DRAM Technology
Memory Density per I/O [Mbit];
Module Density
Raw Card Generation
Number of Module Ranks
Product Variations
Package, Lead-Free Status
Module Type
Speed Grade
Die Revision
Field Number
1
HYS
HYB
2
64
18
1)
HYS[64T[3200/6400/12802]0/72T[6400/12802]0][G/H]U–[3.7/5]–A
3
T
T
4
64
512
Product Type Nomenclature (DDR2 DRAMs and DIMMs)
5
0
16
Values
HYS
64
72
T
32
64
128
256
0 .. 9
0, 2, 4
0 .. 9
A .. Z
S
M
R
U
–3.7
–5
–A
–B
65
6
2
Table 32
7
0
0
Coding
Constant
Non-ECC
ECC
DDR2
256 MByte
512 MByte
1 GByte
2 GByte
look up table
1, 2, 4
look up table
look up table
SO-DIMM
Micro-DIMM
Registered
Unbuffered
PC2–4200 4–4–4
PC2–3200 3–3–3
First
Second
and for components in
8
K
A
512 Mbit DDR2 SDRAM
Table 31
9
M
C
09122003-GZEK-H4J6
Rev. 0.87, 2004-06
provides examples
10
–5
–5
Table
11
–A
33.