msm548262 Oki Semiconductor, msm548262 Datasheet - Page 8

• Manufacturer Part Number: msm548262
• Description: 262,144-word 8-bit Multiport Dram
• Manufacturer: Oki Semiconductor

AC Characteristics (3/3)
¡ Semiconductor
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
Parameter
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
SWIS
SWIH
SWS
SWH
t
SOH
t
SQD
CQD
RQD
SDD
SDH
SCC
SCP
SCA
STH
TQD
SDS
SEA
SEP
SEZ
STS
SZE
SZS
SC
SE
Min.
22
—
—
10
10
25
25
—
—
—
—
30
10
10
10
5
5
5
0
0
0
0
0
0
-60
Max.
—
—
—
17
—
17
—
—
20
—
—
25
25
30
70
—
—
—
—
—
—
—
—
—
Min.
22
—
—
10
10
25
25
—
—
—
—
40
10
10
10
5
5
5
0
0
0
0
0
0
-70
Max.
—
—
—
17
—
17
—
—
20
—
—
25
25
35
75
—
—
—
—
—
—
—
—
—
Min.
25
—
—
10
10
30
30
—
—
—
—
40
12
12
12
7
7
5
0
0
0
0
0
0
-80
Max.
—
—
—
20
—
20
—
—
20
—
—
25
25
35
75
—
—
—
—
—
—
—
—
—
MSM548262
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Note
8/37
19
10
9
9