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HY5PS121621CFP-C4 数据表(PDF) 22 Page - Hynix Semiconductor

部件名 HY5PS121621CFP-C4
功能描述  512Mb DDR2 SDRAM
Download  38 Pages
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制造商  HYNIX [Hynix Semiconductor]
网页  http://www.skhynix.com/kor/main.do
标志 HYNIX - Hynix Semiconductor

HY5PS121621CFP-C4 数据表(HTML) 22 Page - Hynix Semiconductor

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Rev. 0.8 / Oct. 2007
22
1HY5PS12421C(L)FP
1HY5PS12821C(L)FP
1HY5PS121621C(L)FP
-Continue-
(Refer to notes for information related to this table at the following pages of this table)
Parameter
Symbol
DDR2-400
DDR2-533
Unit
Note
min
max
min
max
Read preamble
tRPRE
0.9
1.1
0.9
1.1
tCK
Read postamble
tRPST
0.4
0.6
0.4
0.6
tCK
Active to active command period for 1KB
page size products
tRRD
7.5
-7.5
-
ns
4
Active to active command period for 2KB
page size products
tRRD
10
-10
-
ns
4
Four Active Window for 1KB page size
products
tFAW
37.5
-37.5
-
ns
Four Active Window for 2KB page size
products
tFAW
50
-50
-
ns
CAS to CAS command delay
tCCD
2
2
tCK
Write recovery time
tWR
15
-15
-
ns
Auto precharge write recovery + precharge
time
tDAL
WR+tRP
-
WR+tRP
-
tCK
14
Internal write to read command delay
tWTR
10
-7.5
-
ns
24
Internal read to precharge command delay tRTP
7.5
7.5
ns
3
Exit self refresh to a non-read command
tXSNR
tRFC + 10
tRFC + 10
ns
Exit self refresh to a read command
tXSRD
200
-
200
-
tCK
Exit precharge power down to any non-
read command
tXP
2
-
2
-
tCK
Exit active power down to read command
tXARD
2
2
tCK
1
Exit active power down to read command
(Slow exit, Lower power)
tXARDS
6 - AL
6 - AL
tCK
1, 2
CKE minimum pulse width
(high and low pulse width)
tCKE
3
3
tCK
27
ODT turn-on delay
tAOND
22
22
tCK
ODT turn-on
tAON
tAC(min)
tAC(max)
+1
tAC(min)
tAC(max)
+1
ns
16
ODT turn-on(Power-Down mode)
tAONPD
tAC(min)+
2
2tCK+
tAC(max)
+1
tAC(min)+
2
2tCK+
tAC(max)
+1
ns
ODT turn-off delay
tAOFD
2.5
2.5
2.5
2.5
tCK
ODT turn-off
tAOF
tAC(min)
tAC(max)
+ 0.6
tAC(min)
tAC(max)
+ 0.6
ns
17
ODT turn-off (Power-Down mode)
tAOFPD
tAC(min)+
2
2.5tCK+
tAC(max)
+1
tAC(min)+
2
2.5tCK+
tAC(max)
+1
ns
ODT to power down entry latency
tANPD
3
3
tCK
ODT power down exit latency
tAXPD
8
8
tCK
OCD drive mode output delay
tOIT
0
12
0
12
ns
Minimum time clocks remains ON after CKE
asynchronously drops LOW
tDelay
tIS+tCK+t
IH
tIS+tCK+t
IH
ns
15


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