K4T51043Q Samsung, K4T51043Q Datasheet - Page 21

• Manufacturer Part Number: K4T51043Q
• Description: 512Mb B-die DDR2 SDRAM
• Manufacturer: Samsung

512Mb B-die DDR2 SDRAM
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
Parameter
Symbol
t
t
t
t
tANPD
tAXPD
tOIT
tDelay
AONPD
AOFD
AOF
AOFPD
tAC(min)
tAC(min)
tAC(min)
tIS+tCK
min
+tIH
2.5
+2
+2
3
8
0
DDR2-533
2tCK+tA
C(max)+
tAC(max
tAC(max)
2.5tCK+
max
+ 0.6
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)+1
2.5
12
1
tAC(min)
tAC(min)
tAC(min)
tIS+tCK
min
+tIH
2.5
+2
+2
3
8
0
DDR2-400
tAC(max)+
tAC(max)
2tCK+tA
(max)+1
2.5tCK+
max
2.5
0.6
+1
12
C
Units
tCK
tCK
tCK
ns
ns
ns
ns
ns
Notes
26
24
Rev. 1.4 Feb. 2005
DDR2 SDRAM