HYB18T512160BF-2.5 Qimonda, HYB18T512160BF-2.5 Datasheet - Page 48

• Manufacturer Part Number: HYB18T512160BF-2.5
• Description: IC DDR2 SDRAM 512MBIT 84TFBGA
• Manufacturer: Qimonda

Specifications of HYB18T512160BF-2.5

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 512M (32Mx16)
• Speed: 400MHz
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 95°C
• Package / Case: 84-TFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 675-1016-2

The following parameters are specified per their average values however, it is understood that the following relationship
between the average timing and the absolute instantaneous timing holds all the time.
Rev. 1.2, 2007-11
03292006-YBYM-WG0Z
Symbol
t
t
t
t
ERR.nPER
CH.AVG
CL.AVG
JIT.DUTY
Parameter
Cumulative error
across n cycles
Average high-pulse
width
Average low-pulse
width
Duty-cycle jitter
Description
t
from
where, i = 1 to 200 and
n = 3 for
n = 4 for
n = 5 for
6 ≤ n ≤ 10 for
11 ≤ n ≤ 50 for
t
any consecutive 200 high pulses:
N = 200
t
consecutive 200 low pulses:
N = 200
t
t
t
t
t
ERR.2PER
CH.AVG
CL.AVG
JIT.DUTY
JIT.CH
JIT.CL
JIT.CH
JIT.CL
t
CK.AVG
is the largest deviation of any single
= {
is the largest deviation of any single
= {
tERR nper
is defined as the average low-pulse width, as calculated across any
is defined as the average high-pulse width, as calculated across
tCH avg
= Min/Max of {
t
t
is defined as the cumulative error across n consecutive cycles
t
t
t
tCL avg
CLi
CHi
ERR.3PER
ERR.4PER
ERR.5PER
:
-
-
t
t
t
ERR.6-10PER
CL.AVG
CH.AVG
t
ERR.11-50PER
48
×
×
=
t
t
=
CK.AVG
JIT.CH
t
=
CK.AVG
--------------------------------------- - .
--------------------------------------- - .
N
N
i
,
} where i=1 to 200
+
} where i=1 to 200
t
j
JIT.CL
n 1
=
tCK avg
–
tCK avg
i
}, where:
1
512-Mbit Double-Data-Rate-Two SDRAM
tCK
1
j
t
t
CL
CH
–
from
from
n
j
j
N
=
t
t
tCK avg
CL.AVG
=
N
CH.AVG
HYB18T512[40/80/16]0BF
1
1
tCL
tCH
j
Internet Data Sheet
j
Units
ps
t
t
ps
CK.AVG
CK.AVG