Internet Data Sheet
HYB18TC256[80/16]0BF
256-Mbit Double-Data-Rate-Two SDRAM
TABLE 2
Performance table for –3(S)
Product Type Speed Code
Speed Grade
Max. Clock Frequency
@CL5
@CL4
@CL3
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
–3
DDR2–667C 4–4–4
–3S
DDR2–667D 5–5–5
333
266
200
15
15
45
60
Unit
—
MHz
MHz
MHz
ns
ns
ns
ns
f
CK5
f
CK4
f
CK3
t
RCD
t
RP
t
RAS
t
RC
333
333
200
12
12
45
57
TABLE 3
Performance table for –3.7
Product Type Speed Code
Speed Grade
Max. Clock Frequency
@CL5
@CL4
@CL3
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
–3.7
DDR2–533C 4–4–4
Unit
—
MHz
MHz
MHz
ns
ns
ns
ns
f
CK5
f
CK4
f
CK3
t
RCD
t
RP
t
RAS
t
RC
266
266
200
15
15
45
60
TABLE 4
Performance table for –5
Product Type Speed Code
Speed Grade
Max. Clock Frequency
@CL5
@CL4
@CL3
Min. RAS-CAS-Delay
Min. Row Precharge Time
Min. Row Active Time
Min. Row Cycle Time
–5
DDR2–400B 3–3–3
Units
—
MHz
MHz
MHz
ns
ns
ns
ns
f
CK5
f
CK4
f
CK3
t
RCD
t
RP
t
RAS
t
RC
200
200
200
15
15
40
55
Rev. 1.3, 2007-05
07182006-DD60-22E6
4
QIMONDA [ QIMONDA AG ]
