SEP04G72G1AH2MT-30R Datasheet, PDF (10/16 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 (Continued)
(0°C ≤ TCASE ≤ + 85°C ; VDDQ = +1.8V ± 0.1V, VDD = +1.8V ± 0.1V)
AC CHARACTERISTICS
PARAMETER
Address and control input hold time
CAS# to CAS# command delay
ACTIVE to ACTIVE (same bank)
command period
ACTIVE bank a to ACTIVE bank b
command
ACTIVE to READ or WRITE delay
Four bank Activate period
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
PRECHARGE ALL command period
LOAD MODE command cycle time
CKE low to CK, CK# uncertainty
REFRESH to ACTIVE or REFRESH
to REFRESH command interval
Average periodic refresh interval
(0°C<= T_CASE <= 85 °C)
(85°C<= T_CASE <= 95 °C)
Exit SELF REFRESH to non-READ
command
Exit SELF REFRESH to READ
command
Exit SELF REFRESH timing
reference
ODT turn-on delay
ODT turn-on
SYMBOL
t_IH
t_CCD
t_RC
t_RRD
t_RCD
t_FAW
t_RAS
t_RTP
t_WR
t_DAL
t_WTR
t_RP
t_RPA
t_MRD
t_DELAY
t_RFC
t_REFI
t_REFI(IT)
t_XSNR
t_XSRD
t_ISXR
t_AOND
t_AON
ODT turn-off delay
ODT turn-off
t_AOFD
t_AOF
ODT turn-on (power-down mode)
t_AONPD
ODT turn-off (power-down mode)
t_AOFPD
ODT to power-down entry latency
t_ANPD
6400-CL6
MIN
MAX
0.25
-
2
-
60
-
5300-CL5
MIN
MAX
0.4
-
2
-
60
-
7.5
15
37.5
45
7.5
15
tWR + tRP
-
-
-
70,000
-
-
-
7.5
15
37.5
40
7.5
15
tWR + tRP
-
-
-
70’000
-
-
-
7.5
-
15
-
tRP + tCK
-
2
-
tIS + tCK + tIH
127.5 70’000
7.5
-
15
-
tRP + tCK
-
2
-
tIS + tCK + tIH
127.5 70’000
-
7.8
-
7.8
-
3.9
-
3.9
tRFC(min) +
10
-
tRFC(min) +
10
-
200
-
200
-
tIS
-
tIS
-
2
tAC(min)
2.5
tAC(min)
tAC(min) +
2,000
tAC(min) +
2,000
3
2
tAC(max)
+ 1,000
2.5
tAC(max)
+ 600
2 x tCK +
tAC(max)
+ 1,000
2.5 x tCK +
tAC(max)
+ 1,000
-
2
tAC(min)
2.5
tAC(min)
tAC(min) +
2,000
tAC(min) +
2,000
3
2
tAC(max)
+ 1,000
2.5
tAC(max)
+ 600
2 x tCK +
tAC(max)
+ 1,000
2.5 x tCK +
tAC(max)
+ 1,000
-
Unit
ns
tCK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tCK
ns
µs
ns
tCK
ps
tCK
ps
tCK
ps
ps
ps
tCK
Swissbit AG
Industriestrasse 4
CH-9552 Bronschhofen
Fon: [phone]
Fax: [phone]
www.swissbit.com
eMail: [e-mail]
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