K4T1G044QQ データシートの表示（PDF） - Samsung
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K4T1G044QQ Datasheet PDF : 44 Pages
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K4T1G044QQ
K4T1G084QQ
K4T1G164QQ
DDR2 SDRAM
Parameter
Symbol
ODT turn-on (Power-Down mode)
ODT turn-off delay
ODT turn-off
tAONPD
tAOFD
tAOF
ODT turn-off (Power-Down mode)
tAOFPD
ODT to power down entry latency
tANPD
ODT power down exit latency
tAXPD
OCD drive mode output delay
tOIT
Minimum time clocks remains ON after CKE asynchronously drops
LOW
tDelay
DDR2-800
min
max
tAC(min)+2
2tCK +
tAC(max)+1
2.5
2.5
tAC(min)
tAC(max)+
0.6
tAC(min)+2
2.5tCK +
tAC(max)+1
3
8
0
12
DDR2-667
min
max
tAC(min)+2
2tCK+tAC(ma
x)+1
2.5
2.5
tAC(min)
tAC(max)+
0.6
tAC(min)+2
2.5tCK+tAC(
max)+1
3
8
0
12
Units
ns
tCK
ns
ns
tCK
tCK
ns
tIS+tCK +tIH
tIS+tCK +tIH
ns
Notes
26
24
20 of 44
Rev. 1.01 November 2007
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