
Internet Data Sheet
Rev. 1.0, 2006-10
10262006-SX8C-DEY8
58
HYS[64/72]T256020EU-[25F/2.5/3/3S/3.7]-B
Unbuffered DDR2 SDRAM Module
TABLE 32
DDR2 DRAM Nomenclature
10
Speed Grade
–2.5F
–2.5
–3
–3S
–3.7
–5
–A
–B
PC2–6400 5–5–5
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
First
Second
11
Die Revision
1) Multiplying “Memory Density per I/O” with “Module Data Width” and dividing by 8 for Non-ECC and 9 for ECC modules gives the overall
module memory density in MBytes as listed in column “Coding”.
Field
Description
Values
Coding
1
2
3
4
Qimonda Component Prefix
Interface Voltage [V]
DRAM Technology
Component Density [Mbit]
HYB
18
T
256
512
1G
2G
40
80
16
0 .. 9
A
B
C
F
–25F
–2.5
–3
–3S
–3.7
–5
Constant
SSTL_18
DDR2
256 Mbit
512 Mbit
1 Gbit
2 Gbit
×
4
×
8
×
16
Look up table
First
Second
FBGA, lead-containing
FBGA, lead-free
DDR2-800 5-5-5
DDR2-800 6-6-6
DDR2-667 4-4-4
DDR2-667 5-5-5
DDR2-533 4-4-4
DDR2-400 3-3-3
5+6
Number of I/Os
7
8
Product Variations
Die Revision
9
Package, Lead-Free Status
10
Speed Grade
Field
Description
Values
Coding