HYB18TC256160AF_1 Datasheet, PDF (51/55 Pages) Qimonda AG – 256-Mbit Double-Data-Rate-Two SDRAM DDR2 SDRAM

Internet Data Sheet
HYB18TC256160AF
256-Mbit Double-Data-Rate-Two SDRAM
9
Product Nomenclature
For reference the Qimonda SDRAM component nomenclature is enclosed in this chapter.
Example for
DDR2 DRAM
Field Number
1
2
3
4
5
6
HYB 18
TC
256 16
TABLE 48
Nomenclature Fields and Examples
7
8
9
10
11
0
A
C
–3.7
Field
1
2
3
4
Description
Qimonda
Component Prefix
Interface Voltage [V]
DRAM Technology, consumer variant
Component Density [Mbit]
5+6
Number of I/Os
7
Product Variations
8
Die Revision
9
Package,
Lead-Free Status
10
Speed Grade
11
N/A for Components
Values
HYB
18
TC
256
512
1G
40
80
16
0 .. 9
A
B
C
C
F
–1.9
–2.5F
–2.5
–3
–3S
–3.7
–5
TABLE 49
DDR2 Memory Components
Coding
Constant
SSTL_18
DDR2
256 M
512 M
1 Gb
x4
x8
x16
look up table
First
Second
Third
FBGA, lead-containing
FBGA, lead-free
DDR2–1066
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
Rev. 1.20, 2007-04
51
03062006-H3V1-XJT4