sg2567rdr212452ia ETC-unknow, sg2567rdr212452ia Datasheet - Page 23

• 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
ACTIVE to ACTIVE (same bank) command
ACTIVE bank a to ACTIVE bank b command
ACTIVE to READ or WRITE delay
ACTIVE to PRECHARGE command
Internal READ to precharge command delay
Write recovery time
Auto precharge write recovery + Precharge time
Internal WRITE to READ command delay
PRECHARGE command period
LOAD MODE command cycle time
REFRESH to REFRESH command interval
Average periodic refresh Interval
Exit self refresh to non-READ command
Exit self refresh to READ command
ODT turn-on delay
ODT turn-on
ODT turn-off delay
ODT turn-off
ODT turn-on (power-down mode)
ODT turn-off (power-down mode)
ODT to power-down entry latency
ODT power-down exit latency
Exit active power-down to READ command,
MR[bit12=0]
Exit active power-down to READ command,
MR[bit12=1]
Exit precharge power down to any non-read
command
CKE minimum pulse width (high and low pulse
width)
Device AC Operating Conditions (Contd.)
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
RC
RRD
RCD
RAS
RTP
WR
DAL
WTR
RP
MRD
RFC
REFI
XSNR
XSRD
AOND
AON
AOFD
AOF
AONPD
AOFPD
ANPD
AXPD
XARD
XARDS
XP
CKE
Min
60
7.5
15
45
7.5
15
t
7.5
15
2
105
-
t
+ 10
200
2
t
2.5
t
t
2000
t
2000
3
8
2
7 - AL
2
3
WR
RFC
AC
AC
AC
AC
(min)
(min)
(min) +
(min) +
3.0ns @ CL 5.0
+ t
(min)
DDR2-667
RP
Max
-
-
-
70000
-
-
-
-
-
-
-
7.8
-
-
2
t
+ 1000
2.5
t
+ 700
2*t
t
+ 1000
2.5*t
t
+ 1000
-
-
-
-
AC
AC
AC
AC
CK
(max)
(max)
(max)
(max)
CK
+
+
SG2567RDR212452UU
Unit
ns
ns
ns
ns
ns
ns
t
ns
ns
t
ns
μs
ns
t
t
ps
t
ps
ps
ps
t
t
t
t
t
t
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
CK
Notes
23
16
19, 23
23
18
23
10
10
21
22
July 31, 2007
23