參數(shù)資料
型號(hào): HY5DU56422DLTP-X
廠商: Hynix Semiconductor Inc.
英文描述: 256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
中文描述: 256M DDR內(nèi)存(268435456位CMOS雙數(shù)據(jù)速率(DDR)同步DRAM)
文件頁數(shù): 32/37頁
文件大?。?/td> 414K
代理商: HY5DU56422DLTP-X
Rev. 0.1 /May 2004 32
HY5DU56422D(L)TP
HY5DU56822D(L)TP
HY5DU561622D(L)TP
AC CHARACTERISTICS II
(AC operating conditions unless otherwise noted)
Parameter
Symbol
DDR266A
DDR266B
DDR200
Unit
Note
Min
Max
Min
Max
Min
Max
Row Cycle Time
tRC
65
-
65
-
70
-
ns
Auto Refresh Row Cycle Time
tRFC
75
-
75
-
80
-
ns
Row Active Time
tRAS
45
120K
45
120K
50
120K
ns
Active to Read with Auto Precharge Delay
tRAP
tRCD or
tRPmin
-
tRCD or
tRPmin
-
tRCD or
tRPmin
-
ns
16
Row Address to Column Address Delay
tRCD
20
-
20
-
20
-
ns
Row Active to Row Active Delay
tRRD
15
-
15
-
15
-
ns
Column Address to Column Address Delay
tCCD
1
-
1
-
1
-
CK
Row Precharge Time
tRP
20
-
20
-
20
-
ns
Write Recovery Time
tWR
15
-
15
-
15
-
ns
Write to Read Command Delay
tWTR
1
-
1
-
1
-
CK
Auto Precharge Write Recovery +
Precharge Time
tDAL
(tWR/tCK)
+
(tRP/tCK)
-
(tWR/tCK)
+
(tRP/tCK)
-
(tWR/tCK)
+
(tRP/tCK)
-
CK
15
System Clock Cycle Time
CL = 2.5
tCK
7.5
12
7.5
12
8.0
12
ns
CL = 2
7.5
12
10
12
10
12
ns
Clock High Level Width
tCH
0.45
0.55
0.45
0.55
0.45
0.55
CK
Clock Low Level Width
tCL
0.45
0.55
0.45
0.55
0.45
0.55
CK
Data-Out edge to Clock edge Skew
tAC
-0.75
0.75
-0.75
0.75
-0.75
0.75
ns
DQS-Out edge to Clock edge Skew
tDQSCK
-0.75
0.75
-0.75
0.75
-0.75
0.75
ns
DQS-Out edge to Data-Out edge Skew
tDQSQ
-
0.5
-
0.5
-
0.6
ns
Data-Out hold time from DQS
tQH
t
HP
-t
QHS
-
t
HP
-t
QHS
-
t
HP
-t
QHS
-
ns
1,10
Clock Half Period
tHP
min
(tCL,tCH)
-
min
(tCL,tCH)
-
min
(tCL,tCH)
-
ns
1,9
Data Hold Skew Factor
tQHS
-
0.75
-
0.75
-
0.75
ns
10
Valid Data Output Window
tDV
t
QH
-t
DQSQ
t
QH
-t
DQSQ
t
QH
-t
DQSQ
ns
Data-out high-impedance window from
CK,/CK
tHZ
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
17
Data-out low-impedance window from
CK
,
/CK
tLZ
-0.75
0.75
-0.75
0.75
-0.8
0.8
ns
17
相關(guān)PDF資料
PDF描述
HY5DU56422DTP 256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU56422DTP-H 256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU56422DTP-J 256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU56422DTP-K 256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU56422DTP-L 256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
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參數(shù)描述
HY5DU56422DT 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256Mb DDR SDRAM
HY5DU56422DT-H 制造商:Hynix Semi 功能描述:
HY5DU56422DTP 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU56422DTP-H 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)
HY5DU56422DTP-J 制造商:HYNIX 制造商全稱:Hynix Semiconductor 功能描述:256M DDR SDRAM (268,435,456-bit CMOS Double Data Rate(DDR) Synchronous DRAM)