¡ Semiconductor
AC Characteristics (3/3)
-60
22
5
5
—
5
—
10
10
0
25
25
—
—
—
—
30
0
10
0
0
0
10
0
10
—
—
—
17
—
17
—
—
20
—
—
25
25
30
70
—
—
—
—
—
—
—
—
—
22
5
5
—
5
—
10
10
0
25
25
—
—
—
—
40
0
10
0
0
0
10
0
10
-70
—
—
—
17
—
17
—
—
20
—
—
25
25
35
75
—
—
—
—
—
—
—
—
—
25
7
7
—
5
—
10
10
0
30
30
—
—
—
—
40
0
12
0
0
0
12
0
12
-80
MSM548262
Parameter
SC Cycle Time
SC Pulse Width (SC High Time)
SC Precharge Time (SC Low Time)
Access Time from SC
Serial Output Hold Time from SC
Access Time from
SE
SE
Pulse Width
SE
Precharge Time
Serial Output Buffer Turn-off Delay from
SE
Split Transfer Set-up Time
Split Transfer Hold Time
SC-QSF Delay Time
TRG-QSF
Delay Time
CAS-QSF
Delay Time
RAS-QSF
Delay Time
RAS
to Serial Input Delay Time
Serial Input Set-up Time
Serial Input Hold Time
Serial Input to
SE
Delay Time
Serial Input to First SC Delay Time
Serial Write Enable Set-up Time
Serial Write Enable Hold Time
Serial Write Disable Set-up Time
Serial Write Disable Hold Time
Symbol
t
SCC
t
SC
t
SCP
t
SCA
t
SOH
t
SEA
t
SE
t
SEP
t
SEZ
t
STS
t
STH
t
SQD
t
TQD
t
CQD
t
RQD
t
SDD
t
SDS
t
SDH
t
SZE
t
SZS
t
SWS
t
SWH
t
SWIS
t
SWIH
Min. Max. Min. Max. Min. Max.
—
—
—
20
—
20
—
—
20
—
—
25
25
35
75
—
—
—
—
—
—
—
—
—
Unit Note
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
9
19
9
8/37
OKI [ OKI ELECTRONIC COMPONETS ]
