sg2567rdr212452ia ETC-unknow, sg2567rdr212452ia Datasheet - Page 22

• Manufacturer Part Number: sg2567rdr212452ia
• Description: Dram Module Ddr2 Sdram 2gbyte 240rdimm
• Manufacturer: ETC-unknow

Corporate Headquarters: P. O. Box 1757, Fremont, CA 94538, USA • Tel:[phone] • Fax:[phone] • E-mail: [e-mail]
Europe: 5 Kelvin Park South, Kelvin South, East Kilbride, G75 ORH, United Kingdom • Tel: [phone] • Fax: [phone]
Asia/Pacific: Plot 18, Lrg Jelawat 4, Kawasan Perindustrian Seberang Jaya 13700, Prai, Penang, Malaysia • Tel: [phone] • Fax: [phone]
Parameter
Clock cycle time
Clock high-level width
Clock low-level width
Clock half period
DQ output access time from CK/CK#
Data-out high-impedence window from CK/CK#
Data-out low-impedence window from CK/CK#
DQ & DM input setup time relative to DQS
DQ & DM input hold time relative to DQS
DQ & DM input pulse width (for each input)
Data hold skew factor
DQ-DQS hold, DQS to first DQ to go nonvalid, per
access
DQS input high pulse width
DQS input low pulse width
DQS output access time from CK/CK#
DQS falling edge to CK rising - setup time
DQS falling edge from CK rising - hold time
DQS-DQ skew, DQS to last DQ valid, per group,
per access
DQS read preamble
DQS read postamble
DQS write preamble setup time
DQS write preamble
DQS write postamble
Write command to first DQS latching transition
Address & control input pulse width for each input
Address and control input setup time
Address and control input hold time
CAS# to CAS# command delay
OCD Drive mode delay
CKE low to CK, CK# uncertainity
Device AC Operating Conditions
CL=5.0
CL=4.0
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
CK
CH
CL
HP
AC
HZ
LZ
DS
DH
DIPW
QHS
QH
DQSH
DQSL
DQSCK
DSS
DSH
DQSQ
RPRE
RPST
WPRES
WPRE
WPST
DQSS
IPW
IS
IH
CCD
OIT
DELAY
Min
3000
3750
0.45
0.45
Min
(t
-450
-
t
100
175
0.35
-
t
0.35
0.35
-400
0.2
0.2
-
0.9
0.4
0
0.35
0.4
WL - 0.25
0.6
200
275
2
0
3.475
AC
HP
CL
(min)
3.0ns @ CL 5.0
, t
- t
CH
QHS
DDR2-667
)
Max
8000
8000
0.55
0.55
-
+450
t
t
-
-
-
340
-
-
-
+400
-
-
240
1.1
0.6
-
-
0.6
WL + 0.25
-
-
-
-
12
3.475
AC
AC
(max)
(max)
SG2567RDR212452UU
Unit
ps
ps
t
t
ps
ps
ps
ps
ps
ps
t
ps
ps
t
t
ps
t
t
ps
t
t
ps
t
t
t
t
ps
ps
t
ns
ns
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
Notes
12, 20
12, 20
14
14
15
4, 5
4, 6
3, 11, 17
3, 11, 17
11,13
11,13
18
8, 9
7
2, 17
2, 17
24
July 31, 2007
22