Internet Data Sheet
HY[B/I]18T256[40/80/16]0B[C/F](L)
256-Mbit Double-Data-Rate-Two SDRAM
TABLE 2
Performance Table for –3(S)
Product Type Speed Code
Speed Grade
–3
–3S
Unit
DDR2–667C 4–4–4
DDR2–667D 5–5–5
—
Max. Clock Frequency
@CL5 fCK5 333
@CL4 fCK4 333
333
266
200
15
MHz
MHz
MHz
ns
@CL3 fCK3 200
tRCD 12
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
tRP 12
15
ns
tRAS 45
45
ns
tRC 57
60
ns
TABLE 3
Performance table for –3.7
Product Type Speed Code
–3.7
Unit
Speed Grade
DDR2–533C 4–4–4
—
Max. Clock Frequency
@CL5
@CL4
@CL3
fCK5
fCK4
fCK3
tRCD
tRP
266
266
200
15
MHz
MHz
MHz
ns
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
15
ns
tRAS
tRC
45
ns
60
ns
TABLE 4
Performance Table for –5
Product Type Speed Code
–5
Units
Speed Grade
DDR2–400B 3–3–3
—
Max. Clock Frequency
@CL5
@CL4
@CL3
fCK5
fCK4
fCK3
tRCD
tRP
200
200
200
15
MHz
MHz
MHz
ns
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
15
ns
tRAS
tRC
40
ns
55
ns
Rev. 1.11, 2007-07
4
11172006-LBIU-F1TN
QIMONDA [ QIMONDA AG ]
