FEDS82V16520A-01
OKI Semiconductor
MS82V16520A
Asynchronous Characteristics
MS82V16520A-7
MS82V16520A-8
Parameter
Symbol
Unit
Note
Min.
63
Max.
—
Min.
72
Max.
—
REF to REF/ACT Command Period
ACT to PRE Command Period
PRE to ACT Command Period
tRC
tRAS
tRP
ns
ns
ns
42
120k
—
48
120k
—
21
24
Delay Time ACT to READ/WRITE Command
ACT (A) to ACT (B) Command Period
tRCD
tRRD
tCCD
tDPL
21
14
7
—
—
—
—
—
24
16
8
—
—
—
—
—
ns
ns
ns
ns
ns
READ/WRITE to READ/WRITE Command
Period
Data-in to PRE Command Period
14
14
16
16
Data Output to WRITE Command Input Time
tOWD
Mode Register Set Cycle Time
Transition Time
tRSC
tT
14
1
—
30
32
16
1
—
30
32
ns
ns
Refresh Time
tREF
—
—
ms
22/40
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