HYS72T64400HFD Datasheet, PDF (39/42 Pages) Qimonda AG – 240-Pin Fully-Buffered DDR2 SDRAM Modules

Internet Data Sheet
HYS72T[64/128/256]4[00/20]HFD–[3S/3.7]–A
8
DDR2 Nomenclature
Example for
Micro-DIMM
DDR2 DRAM
Field Number
1
2
3
HYS 64
T
HYB 18
T
4
5
6
64128 0
2
5121G 16
Field
1
2
3
4
Description
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
10
Speed Grade
Values
HYS
64
72
T
32
64
128
256
512
0 .. 9
0, 2, 4
0 .. 9
A .. Z
D
M
R
U
F
–2.5
–3
–3S
–3.7
–5
TABLE 19
Nomenclature Fields and Examples
7
8
9
10
11
0
K
M
–5
–A
0
A
C
–5
—
TABLE 20
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
PC2–6400 6–6–6
PC2–5300 4–4–4
PC2–5300 5–5–5
PC2–4200 4–4–4
PC2–3200 3–3–3
Rev. 1.2, 2006-11
39
03292006-GUME-ERC3