參數(shù)資料
型號(hào): MB81N643289
廠商: Fujitsu Limited
英文描述: DRILL BIT HIGH SPEED STEEL .021,1
中文描述: 8 × 256K × 32位的雙倍數(shù)據(jù)速率FCRAMTM
文件頁(yè)數(shù): 31/64頁(yè)
文件大?。?/td> 1732K
代理商: MB81N643289
31
MB81N643289-50/-60
Preliminary (AE1E)
I
AC CHARACTERISTICS
(Recommended operating conditions unless otherwise noted.) Note *1,*2,*3
AC PARAMETERS (CAS LATENCY DEPENDENT)
AC PARAMETERS (ABSOLUTE BALES)
BASE VALUES FOR CLOCK COUNT/LATENCY (Note *7)
Parameter
Symbol
MB81N643289-50 MB81N643289-60
Unit
Min.
Max.
Min.
Max.
Clock Period
t
CK
CL = 3
5.0
9.0
6.0
10.5
ns
CL = 2
7.5
10.5
9.0
10.5
Parameter
Notes
Symbol
MB81N643289-50 MB81N643289-60
Unit
Min.
Max.
Min.
Max.
Input Setup Time (Except for DQS,
DM and DQs)
*4
t
IS
1.0
1.2
ns
Input Hold Time (Except for DQS, DM
and DQs)
*4
t
IH
1.0
1.2
ns
Data Input Setup Time
*5
t
DS
0.6
0.7
ns
Data Input Hold Time
*5
t
DH
0.6
0.7
ns
DQS First Input Setup Time
(Input Preamble Setup Time)
*4
t
DSPRES
0
0
ns
Input Transition Time
*6
t
T
0.1
0.8
0.1
0.9
ns
Power Down Exit
and Self-refresh Exit Time
*4
t
PDE
3.0
3.6
ns
Parameter
Notes
Symbol
MB81N643289-50
Min.
30
20
10
20
60
200
MB81N643289-60
Min.
36
24
12
24
72
200
Unit
Max.
55000
8.0
32
Max.
55000
8.0
32
Random Cycle Time
Active to Page Close Time
Page Close Single Bank to Active
Page Close All Bank to Active
Auto-refresh Cycle Time
Auto-refresh Interval
Time between Refresh
Pause Time after Power-on
t
RC
t
RAS
t
PCL
t
PCAL
t
REFC
t
REFI
t
REF
t
PAUSE
ns
ns
ns
ns
ns
μ
s
ms
μ
s
*8
*8
*8
*9
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