FEDD56V62160E-01
OKI Semiconductor
MD56V62160E
AC Characteristics (1/2)
Note1, 2
MD56V62160
E-7
E-10
Parameter
Symbol
Unit
Note
Min.
7
Max.
Min.
Max.
CL = 3
t
t
t
10
10
20
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CC3
CC2
CC1
Clock Cycle Time
CL = 2
CL = 1
CL = 3
CL = 2
CL = 1
10
20
t
6
6
6
6
3, 4
3, 4
3, 4
4
AC3
AC2
CC1
Access Time from
Clock
t
t
17
17
Clock High Pulse Time
Clock Low Pulse Time
Input Setup Time
t
2
3
3
3
1
CH
t
2
4
CL
t
1.5
0.8
SI
HI
Input Hold Time
t
Output Low Impedance Time
from Clock
t
1
1
ns
ns
OLZ
OHZ
Output High Impedance Time
from Clock
t
6
6
Output Hold from Clock
Random Read or Write Cycle Time
RAS Precharge Time
t
2
3
ns
ns
ns
ns
ns
ns
3
OH
t
69
20
49
20
8
70
20
50
20
10
RC
t
RP
RAS Pulse Width
t
t
100,000
100,000
RAS
RAS to CAS Delay Time
Write Recovery Time
RCD
t
WR
RAS to CAS Bank Active Delay
t
14
20
ns
ms
ns
RRD
Time
Refresh Time
t
64
64
REF
RDE
Power-down Exit setup Time
t
l
t
+1CLK
t
+1CLK
SI
SI
CAS to CAS Delay Time (Min.)
1
1
1
1
Cycle
Cycle
CCD
Clock Disable Time from CKE
l
CKE
Data Output High Impedance Time
from UDQM, LDQM
l
2
0
2
0
Cycle
Cycle
DOZ
Dada Input Mask Time from UDQM,
LDQM
l
DOD
8/34
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