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): 30/37頁
文件大?。?/td> 414K
代理商: HY5DU56422DLTP-X
Rev. 0.1 /May 2004 30
HY5DU56422D(L)TP
HY5DU56822D(L)TP
HY5DU561622D(L)TP
AC CHARACTERISTICS I
(AC operating conditions unless otherwise noted)
Parameter
Symbol
DDR333
DDR266
Unit
Note
Min
Max
Min
Max
Row Cycle Time
tRC
60
-
60
-
ns
Auto Refresh Row Cycle Time
tRFC
72
-
75
-
ns
Row Active Time
tRAS
42
70K
45
120K
ns
Active to Read with Auto Precharge Delay
tRAP
tRCD or
tRPmin
-
tRCD or
tRPmin
-
ns
16
Row Address to Column Address Delay
tRCD
18
-
15
-
ns
Row Active to Row Active Delay
tRRD
12
-
15
-
ns
Column Address to Column Address Delay
tCCD
1
-
1
-
CK
Row Precharge Time
tRP
18
-
15
-
ns
Write Recovery Time
tWR
15
-
15
-
ns
Write to Read Command Delay
tWTR
1
-
1
-
CK
Auto Precharge Write Recovery + Precharge Time
tDAL
(tWR/tCK)
+
(tRP/tCK)
-
(tWR/tCK)
+
(tRP/tCK)
-
CK
15
System Clock Cycle Time
CL = 2.5
tCK
6
12
7.5
12
ns
CL = 2
7.5
12
7.5
12
ns
Clock High Level Width
tCH
0.45
0.55
0.45
0.55
CK
Clock Low Level Width
tCL
0.45
0.55
0.45
0.55
CK
Data-Out edge to Clock edge Skew
tAC
-0.7
0.7
-0.75
0.75
ns
DQS-Out edge to Clock edge Skew
tDQSCK
-0.6
0.6
-0.75
0.75
ns
DQS-Out edge to Data-Out edge Skew
tDQSQ
-
0.45
-
0.5
ns
Data-Out hold time from DQS
tQH
t
HP
-t
QHS
-
t
HP
-t
QHS
-
ns
1,10
Clock Half Period
tHP
min
(tCL,tCH)
-
min
(tCL,tCH)
-
ns
1,9
Data Hold Skew Factor
tQHS
-
0.55
-
0.75
ns
10
Valid Data Output Window
tDV
t
QH
-t
DQSQ
t
QH
-t
DQSQ
ns
Data-out high-impedance window from CK,/CK
tHZ
-0.7
0.7
-0.75
0.75
ns
17
Data-out low-impedance window from CK
,
/CK
tLZ
-0.7
0.7
-0.75
0.75
ns
Input Setup Time (fast slew rate)
tIS
0.75
-
0.9
-
ns
2,3,5,6
Input Hold Time (fast slew rate)
tIH
0.75
-
0.9
-
ns
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)
相關(guān)代理商/技術(shù)參數(shù)
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)