參數(shù)資料
型號(hào): HY5V58BLF
英文描述: 32Mx8|3.3V|8K|H/8/P/S|SDR SDRAM - 256M
中文描述: 32Mx8 | 3.3 | 8K的| H/8/P/S |特別提款權(quán)的SDRAM - 256M
文件頁(yè)數(shù): 7/9頁(yè)
文件大?。?/td> 236K
代理商: HY5V58BLF
Rev. 0.2/Jun 02 8
HY5V52CF
AC CHARACTERISTICS II
(AC operating conditions unless otherwise noted)
Parameter
Symbol
-8
-P
-S
Unit
Not
e
Min
Max
Min
Max
Min
Max
RAS cycle time
Operation
tRC
64
-
70
-
70
-
ns
Auto Refresh
tRRC
64
-
70
-
70
-
ns
RAS to CAS delay
tRCD
20
-
20
-
20
-
ns
RAS active time
tRAS
48
100
K
50
100
K
50
100
K
ns
RAS precharge time
tRP
20
-
20
-
20
-
ns
RAS to RAS bank active delay
tRRD
2
-
20
-
20
-
CLK
CAS to CAS delay
tCCD
1
-
1
-
1
-
CLK
Write command to data-in delay
tWTL
0
-
0
-
0
-
CLK
Data-in to precharge command
tDPL
1
-
1
-
1
-
CLK
Data-in to active command
tDAL
4
-
4
-
4
-
CLK
DQM to data-out Hi-Z
tDQZ
2
-
2
-
2
-
CLK
DQM to data-in mask
tDQM
0
-
0
-
0
-
CLK
MRS to new command
tMRD
2
-
2
-
2
-
CLK
Precharge to
data output Hi-Z
CAS Latency = 3
tPROZ3
3
-
3
-
3
-
CLK
CAS Latency = 2
tPROZ2
2
-
2
-
2
-
CLK
Power down exit time
tPDE
1
-
1
-
1
-
CLK
Self refresh exit time
tSRE
1
-
1
-
1
-
CLK
1
Refresh Time
tREF
-
64
-
64
-
64
ms
Note :
1. A new command can be given tRRC after self refresh exit
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