SEP04G72G1AH2MT-30R Datasheet, PDF (9/16 Pages) List of Unclassifed Manufacturers – 4GB DDR2 . SDRAM registered DIMM

Data Sheet
Rev.1.2 14.02.2014
DDR2 SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND RECOMMENDED
AC OPERATING CONDITIONS
(0°C ≤ TCASE ≤ + 85°C ; VDDQ = +1.8V ± 0.1V, VDD = +1.8V ± 0.1V)
AC CHARACTERISTICS
PARAMETER
SYMBOL
Clock cycle time CL = 6
t_CK (6)
CL = 5
t_CK (5)
CL = 4
t_CK (4)
CL = 3
t_CK (3)
CK high-level width
t_CH
CK low-level width
t_CL
Half clock period
t_HP
Access window (output) of DQS t_AC
from CK/CK#
Data-out high-impedance
t_HZ
window from CK/CK#
Data-out low-impedance window t_LZ
from CK/CK#
DQ and DM input setup time
relative to DQS
DQ and DM input hold time
relative to DQS
DQ and DM input pulse width
( for each input )
Data hold skew factor
DQ-DQS hold, DQS to first DQ
to go non-valid, per access
Data valid output window
t_DSa
t_DHa
t_DIPW
t_QHS
t_QH
t_DVW
DQS input high pulse width
DQS input low pulse width
DQS –DQ skew, DQS to last DQ
valid, per group, per access
DQS read preamble
DQS read postamble
DQS write preamble
DQS write preamble setup time
DQS write postamble
Positive DQS latching edge to
associated clock edge
Write command to first DQS
latching transition
Address and control input pulse
width ( for each input )
Address and control input setup
time
t_DQSH
t_DQSL
t_DQSQ
t_RPRE
t_RPST
t_WPRE
t_WPRES
t_WPST
t_DQSS
t_IPW
t_ISa
6400-CL6
MIN MAX
2.5
8.0
3.0
8.0
3.75
8.0
-
-
0.48 0.52
0.48 0.52
min
(tCH, tCL)
-
-0.40 +0.40
5300-CL5
MIN MAX
-
-
3.0
8.0
3.75
8.0
5.0
8.0
0.45 0.55
0.45 0.55
min
(tCH, tCL)
-
-0.45 +0.45
-
tAC min
tAC max
-
tAC max
-0.45
(= tAC min)
+0.45
(= tAC
max)
+0.45
(= tAC
max)
0.05
-
0.10
-
0.125
-
0.30
-
0.35
-
0.35
-
-
0.3
0.34
tHP - tQHS
-
tHP - tQHS
-
tQH -
tDQSQ
-
tQH -
tDQSQ
-
0.35
-
0.35
-
0.35
-
0.35
-
-
0.2
-
0.24
0.9
1.1
0.9
1.1
0.4
0.6
0.4
0.6
0.35
-
0.35
-
0
-
0
-
0.4
0.6
0.4
0.6
- 0.25 + 0.25 - 0.25 + 0.25
WL-
tDQSS
0.6
WL+
tDQSS
-
WL-
tDQSS
0.6
WL+
tDQSS
-
0.175
-
0.4
-
Unit
ns
tCK
tCK
ps
ns
ns
ns
ns
ns
tCK
ns
ns
ns
tCK
tCK
ns
tCK
tCK
tCK
ns
tCK
tCK
tCK
tCK
ns
Swissbit AG
Industriestrasse 4
CH-9552 Bronschhofen
Fon: [phone]
Fax: [phone]
www.swissbit.com
eMail: [e-mail]
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