參數(shù)資料
型號: HY5V16CF-H
英文描述: x16 SDRAM
中文描述: x16內(nèi)存
文件頁數(shù): 8/11頁
文件大?。?/td> 102K
代理商: HY5V16CF-H
HY5V16CF
Rev. 0.0/Jun.01
8
AC CHARACTERISTICS I
Note :
1. A new command can be given tRRC after self refresh exit
Parameter
S y m b o l
-H
-S
Unit
Note
Min
M a x
Min
M a x
R A S Cycle Time
Operation
t
R C
65
-
70
-
n s
Auto Refresh
t
R R C
65
-
70
-
n s
R A S to C A S Delay
t
R C D
20
-
20
-
n s
R A S Active Time
t
R A S
45
1 2 0 K
50
1 2 0 K
n s
R A S Precharge Time
t
R P
20
-
20
-
n s
R A S to R A S Bank Active Delay
t
R R D
15
-
20
-
n s
C A S to C A S Delay
t
C C D
1
-
1
-
C L K
Write Command to Data-In Delay
t
W T L
0
-
0
-
C L K
Data-In to Precharge Command
t
D P L
1
-
1
-
C L K
Data-In to Active Command
t
D A L
4
-
3
-
C L K
DQM to Data-Out Hi-Z
t
D Q Z
2
-
2
-
C L K
DQM to Data-In Mask
t
D Q M
0
-
0
-
C L K
M R S t o N e w C o m m a n d
t
M R D
1
-
1
-
C L K
Precharge to Data
Output Hi-Z
C A S Latency = 3
t
P R O Z 3
3
-
3
-
C L K
C A S Latency = 2
t
P R O Z 2
2
-
2
-
C L K
Power Down Exit Time
t
P D E
1
-
1
-
C L K
Self Refresh Exit Time
t
S R E
1
-
1
-
C L K
1
Refresh Time
t
R E F
-
64
-
64
m s
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