HYS72T64400HFD Datasheet, PDF (40/42 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
Field
Description
Values
Coding
11
Die Revision
–A
First
–B
Second
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
1
2
3
4
Description
Component Prefix
Interface Voltage [V]
DRAM Technology
Component Density [Mbit]
5+6
Number of I/Os
7
Product Variations
8
Die Revision
9
Package,
Lead-Free Status
10
Speed Grade
Values
HYB
18
T
256
512
1G
2G
40
80
16
0 .. 9
A
B
C
F
–2.5
–3
–3S
–3.7
–5
TABLE 21
DDR2 DRAM Nomenclature
Coding
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 6-6-6
DDR2-667 4-4-4
DDR2-667 5-5-5
DDR2-533 4-4-4
DDR2-400 3-3-3
Rev. 1.2, 2006-11
40
03292006-GUME-ERC3