SEN01G64D1BF1SA-25R Datasheet, PDF (10/14 Pages) List of Unclassifed Manufacturers – 1GB DDR2 – SDRAM SO-DIMM

Data Sheet
Rev.1.2 12.12.2010
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 setup
time
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<TC>85°C)
Average periodic refresh interval
(85°C<TC>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
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
SYMBOL
t_IS(base)
5300-555
MIN MAX
0.20
t_IH(base)
0.275
t_CCD
2
t_RC
55
t_RRD
7.5
t_RCD
t_FAW
t_RAS
15
37.5
45 70’000
t_RTP
7.5
t_WR
t_DAL
t_WTR
15
tWR +
tRP
7.5
t_RP
t_RPA
t_MRD
t_DELAY
t_RFC
15
tRP +
tCK
2
tIS + tCK + tIH
127
t_REFI
-
7.8
t_XSNR
t_XSRD
t_ISXR
t_AOND
t_AON
t_AOFD
t_AOF
t_AONPD
t_AOFPD
t_ANPD
-
3.9
tRFC(min)
+ 10
200
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
6400-666
MIN MAX
Unit
0.175
ns
0.250
ns
2
tCK
60
ns
7.5
ns
15
ns
37.5
ns
45 70’000 ns
7.5
ns
15
ns
tWR +
tRP
ns
7.5
ns
15
ns
tRP +
tCK
ns
2
tCK
tIS + tCK + tIH
tCK
127
ns
-
7.8 µs
-
3.9
tRFC(min)
+ 10
ns
200
tCK
tIS
ps
2
2
tCK
tAC(min)
tAC(max)
+ 1,000
ps
2.5
2.5 tCK
tAC(min)
tAC(max)
+ 600
ps
tAC(min)
+ 2,000
2 x tCK +
tAC(max)
+ 1,000
ps
2.5 x tCK
tAC(min)
+ 2,000
+
tAC(max)
ps
+ 1,000
3
tCK
Swissbit AG
Industriestrasse 4
Ch-9552 Bronschhofen
Fon: [phone]
Fax: [phone]
www.swissbit.com
eMail: [e-mail]
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