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HY5PS561621AFP-E3 Datasheet, PDF (21/34 Pages) Hynix Semiconductor – 256Mb DDR2 SDRAM | |||
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Parameter
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
1
1HY5PS561621A(L)FP
Symbol
tXARD
tXARDS
tCKE
tAOND
tAON
tAONPD
tAOFD
tAOF
tAOFPD
tANPD
tAXPD
tOIT
tDelay
DDR2-667
min
max
2
7 - AL
3
2
tAC(min)
tAC(min)+2
2.5
tAC(min)
tAC(min)
+2
3
8
0
tIS+tCK+tIH
2
tAC(max)
+0.7
2tCK+
tAC(max)+1
2.5
tAC(max)+
0.6
2.5tCK+
tAC(max)+1
12
DDR2-800
min
max
2
8 - AL
3
2
tAC(min)
tAC(min)
+2
2.5
tAC(min)
tAC(min)
+2
3
8
0
tIS+tCK
+tIH
2
tAC(max)
+0.7
2tCK+
tAC(max)+1
2.5
tAC(max)
+0.6
2.5tCK+
tAC(max)+1
12
-Continue-
Unit Note
tCK
1
tCK
1, 2
tCK
tCK
ns
6,16
ns
tCK
ns
17
ns
tCK
tCK
ns
ns
15
Rev. 0.4 / Sep. 2006
21
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