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参数资料
| 型号： | M470T6554CZ0-D5 |
| 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： | 15/20页 |
| 文件大小： | 270K |
| 代理商： | M470T6554CZ0-D5 |
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
Active to active
command period for
2KB page size
products
tRRD
10
x
10
x
10
x
ns
Four Activate Window
for 1KB page size
products
tFAW
37.5
37.5
37.5
ns
Four Activate Window
for 2KB page size
products
tFAW
50
50
50
ns
CAS to CAS command
delay
tCCD
2
2
2
tCK
Write recovery time
tWR
15
x
15
x
15
x
ns
Auto precharge write
recovery + precharge
time
tDAL
WR+tR
P
x
WR+tR
P
x
WR+tR
P
x
tCK
Internal write to read
command delay
tWTR
7.5
x
7.5
x
10
x
ns
Internal read to
precharge command
delay
tRTP
7.5
7.5
7.5
ns
Exit self refresh to a
non-read command
tXSNR
tRFC +
10
tRFC +
10
tRFC +
10
ns
Exit self refresh to a
read command
tXSRD
200
200
200
tCK
Exit precharge power
down to any non-read
command
tXP
2
x
2
x
2
x
tCK
Exit active power down
to read command
tXARD
2
x
2
x
2
x
tCK
Exit active power down
to read command
(slow exit, lower
power)
tXARDS
7 - AL
6 - AL
6 - AL
tCK
CKE minimum pulse
width
(high and low pulse
width)
t
CKE
3
3
3
tCK
ODT turn-on delay
t
AOND
2
2
2
2
2
2
tCK
ODT turn-on
t
AON
tAC(mi
n)
tAC(m
ax)+0.
7
tAC(mi
n)
tAC(m
ax)+1
tAC(mi
n)
tAC(ma
x)+1
ns
ODT turn-on(Power-
Down mode)
t
AONPD
tAC(mi
n)+2
2tCK+t
AC(ma
x)+1
tAC(mi
n)+2
2tCK+t
AC(ma
x)+1
tAC(mi
n)+2
2tCK+t
AC
(max)+
1
ns
ODT turn-off delay
t
AOFD
2.5
2.5
2.5
2.5
2.5
2.5
tCK
ODT turn-off
t
AOF
tAC(mi
n)
tAC(m
ax)+
0.6
tAC(min)
tAC(ma
x)+ 0.6
tAC(mi
n)
tAC(max
)+ 0.6
ns
相关PDF资料 |
PDF描述 |
|---|---|
| M470T6554CZ0-E6 | DDR2 Unbuffered SODIMM |
| M470T2953CZ0 | DDR2 Unbuffered SODIMM |
| M470T6554CZ0-CC | DDR2 Unbuffered SODIMM |
| M470T2953CZ0-CC | Fuses, 15A 250V CERAMIC LEAD |
| M470T3354CZ0-CD5 | DDR2 Unbuffered SODIMM 200pin Unbuffered SODIMM based on 512Mb C-die 64bit Non-ECC |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M470T6554CZ0-E6 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:DDR2 Unbuffered SODIMM |
| M470T6554CZ3-CCC | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:DDR2 Unbuffered SODIMM 200pin Unbuffered SODIMM based on 512Mb C-die 64bit Non-ECC |
| M470T6554CZ3-CD5 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:DDR2 Unbuffered SODIMM 200pin Unbuffered SODIMM based on 512Mb C-die 64bit Non-ECC |
| M470T6554CZ3-CD500 | 制造商:Samsung Semiconductor 功能描述:DRAM Module DDR2 SDRAM 512Mbyte 200SODIMM Tray |
| M470T6554CZ3-CE6 | 制造商:SAMSUNG 制造商全称:Samsung semiconductor 功能描述:DDR2 Unbuffered SODIMM 200pin Unbuffered SODIMM based on 512Mb C-die 64bit Non-ECC |
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