参数资料
型号: M470T6554CZ0-CD6
厂商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: DDR2 Unbuffered SODIMM
中文描述: 无缓冲DDR2内存的SODIMM
文件页数: 16/20页
文件大小: 270K
代理商: M470T6554CZ0-CD6
Rev. 1.1 Mar. 2005
256MB, 512MB, 1GB Unbuffered SODIMMs
DDR2 SDRAM
Parameter
Symbol
DDR2-667
DDR2-533
DDR2-400
Units
min
max
min
max
min
max
ODT turn-off (Power-
Down mode)
t
AOFPD
tAC(mi
n)+2
2.5tCK
+tAC(
max)+
1
tAC(mi
n)+2
2.5tCK
+
tAC(m
ax)+1
tAC(mi
n)+2
2.5tCK
+
tAC(ma
x)+1
ns
ODT to power down
entry latency
tANPD
3
3
3
tCK
ODT power down exit
latency
tAXPD
8
8
8
tCK
OCD drive mode
output delay
tOIT
0
12
0
12
0
12
ns
Minimum time clocks
remains ON after CKE
asynchronously drops
LOW
tDelay
tIS+tCK
+tIH
tIS+tCK
+tIH
tIS+tCK
+tIH
ns
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