HYB18T512400BF Datasheet, PDF (4/57 Pages) Qimonda AG – 512-Mbit Double-Data-Rate-Two SDRAM

HYB18T512xxxBF–[2.5…5]
512-Mbit Double-Data-Rate-Two SDRAM
Table 1 Performance for DDR2–800
Product Type Speed Code
–2.5F
Speed Grade
DDR2–800D 5–5–5
max. Clock Frequency @CL6 f_CK6 400
@CL5 f_CK5 400
@CL4 f_CK4 266
@CL3 f_CK3 200
min. RAS-CAS-Delay
t_RCD 12.5
min. Row Precharge Time
t_RP 12.5
min. Row Active Time
t_RAS 45
min. Row Cycle Time
t_RC 57.5
–2.5
DDR2–800E 6–6–6
400
333
266
200
15
15
45
60
Table 2 Performance for DDR2–667
Product Type Speed Code
–3
Speed Grade
DDR2–667C 4–4–4
max. Clock Frequency @CL5 f_CK5 333
@CL4 f_CK4 333
@CL3 f_CK3 200
min. RAS-CAS-Delay
t_RCD 12
min. Row Precharge Time
t_RP 12
min. Row Active Time
t_RAS 45
min. Row Cycle Time
t_RC 57
–3S
DDR2–667D 5–5–5
333
266
200
15
15
45
60
Table 3 Performance for DDR2–533C
Product Type Speed Code
Speed Grade
max. Clock Frequency
min. RAS-CAS-Delay
min. Row Precharge Time
min. Row Active Time
min. Row Cycle Time
@CL5
@CL4
@CL3
f_CK5
f_CK4
f_CK3
t_RCD
t_RP
t_RAS
t_RC
–3.7
DDR2–533C 4–4–4
266
266
200
15
15
45
60
Unit
—
MHz
MHz
MHz
MHz
ns
ns
ns
ns
Unit
—
MHz
MHz
MHz
ns
ns
ns
ns
Unit
—
MHz
MHz
MHz
ns
ns
ns
ns
Internet Data Sheet
4
Rev. 1.05, 2007-01
03292006-YBYM-WG0Z