HY5PS1G431CFP Datasheet, PDF (22/37 Pages) Hynix Semiconductor – 1Gb DDR2 SDRAM

HY5PS1G431C(L)FP
HY5PS1G831C(L)FP
HY5PS1G1631C(L)FP
-Continued
Parameter
Four Active Window for 1KB page size
products
Four Active Window for 2KB page size
products
CAS to CAS command delay
Write recovery time
Auto precharge write recovery + precharge
time
Internal write to read command delay
Internal read to precharge command delay
Exit self refresh to a non-read command
Exit self refresh to a read command
Exit precharge power down to any non-read
command
Exit active power down to read command
Exit active power down to read command
(Slow exit, Lower power)
CKE minimum pulse width
(high and low pulse width)
ODT turn-on delay
ODT turn-on
ODT turn-on(Power-Down mode)
ODT turn-off delay
ODT turn-off
ODT turn-off (Power-Down mode)
ODT to power down entry latency
ODT power down exit latency
OCD drive mode output delay
Minimum time clocks remains ON after
CKE asynchronously drops LOW
Symbol
tFAW
tFAW
tCCD
tWR
tDAL
tWTR
tRTP
tXSNR
tXSRD
tXP
tXARD
tXARDS
t_CKE
t_AOND
t_AON
t_AONP
D
t_AOFD
t_AOF
t_AOFPD
tANPD
tAXPD
tOIT
tDelay
DDR2-400
min
max
37.5
-
50
-
2
15
-
WR+tRP*
-
10
-
7.5
tRFC + 10
200
-
2
-
2
6 - AL
3
2
tAC(min)
tAC(min)+
2
2.5
tAC(min)
2
tAC(max)
+1
2tCK+tAC
(max)
+1
2.5
tAC(max)
+ 0.6
tAC(min)+ 2.5tCK+tA
2
C(max)+1
3
8
0
12
tIS+tCK+tI
H
DDR2-533
Uni
t
min
max
37.5
-
ns
50
-
2
tCK
15
-
ns
WR+tRP*
-
tCK
7.5
-
ns
7.5
ns
tRFC + 10
ns
200
-
tCK
2
-
tCK
2
tCK
6 - AL
tCK
3
tCK
2
tAC(min)
2
tCK
tAC(max)
+1
ns
tAC(min)+ 2tCK+tAC
2
(max)+1
ns
2.5
2.5
tCK
tAC(min)
tAC(max)
+ 0.6
ns
tAC(min)+
2
2.5tCK+t
AC(max)
+1
ns
3
tCK
8
tCK
0
12
ns
tIS+tCK+tI
H
ns
Note
14
24
3
1
1, 2
16
17
15
Rev. 0.2 /Dec 2006
22