M541 Просмотр технического описания (PDF) - Oki Electric Industry
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M541 Datasheet PDF : 15 Pages
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¡ Semiconductor
AC Characteristics
Parameter
Symbol
Access Time from SRCK
tAC
DOUT Hold Time from SRCK
tDDCK
DOUT Enable Time from SRCK tDECK
SWCK "H" Pulse Width
tWSWH
SWCK "L" Pulse Width
tWSWL
Input Data Setup Time
tDS
Input Data Hold Time
tDH
WE Enable Setup Time
tWENS
WE Enable Hold Time
tWENH
WE Disable Setup Time
tWDSS
WE Disable Hold Time
tWDSH
IE Enable Setup Time
tIENS
IE Enable Hold Time
tIENH
IE Disable Setup Time
tIDSS
IE Disable Hold Time
tIDSH
WE "H" Pulse Width
tWWEH
WE "L" Pulse Width
tWWEL
IE "H" Pulse Width
tWIEH
IE "L" Pulse Width
tWIEL
RSTW Setup Time
tRSTWS
RSTW Hold Time
tRSTWH
SRCK "H" Pulse Width
tWSRH
SRCK "L" Pulse Width
tWSRL
RE Enable Setup Time
tRENS
RE Enable Hold Time
tRENH
RE Disable Setup Time
tRDSS
RE Disable Hold Time
tRDSH
OE Enable Setup Time
tOENS
OE Enable Hold Time
tOENH
OE Disable Setup Time
tODSS
OE Disable Hold Time
tODSH
Output Buffer Turn-off Delay Time from OE tOEZ
RE "H" Pulse Width
tWREH
RE "L" Pulse Width
tWREL
OE "H" Pulse Width
tWOEH
OE "L" Pulse Width
tWOEL
RSTR Setup Time
tRSTRS
RSTR Hold Time
tRSTRH
SWCK Cycle Time
tSWC
SRCK Cycle Time
tSRC
Transition Time (Rise and Fall) tT
MSM5412222-25
Min.
Max.
—
23
6
—
6
23
9
—
10
—
2
—
4
—
0
—
3
—
0
—
3
—
0
—
3
—
0
—
3
—
5
—
5
—
5
—
5
—
0
—
3
—
9
—
10
—
0
—
3
—
0
—
3
—
0
—
3
—
0
—
3
—
17
—
5
—
5
—
5
—
5
—
0
—
3
—
25
—
25
—
3
30
MSM5412222
(VCC = 5 V ±10%, Ta = 0°C to 70°C)
MSM5412222-30
Unit
Min.
Max.
—
25
ns
6
—
ns
6
25
ns
12
—
ns
12
—
ns
2
—
ns
4
—
ns
0
—
ns
3
—
ns
0
—
ns
3
—
ns
0
—
ns
3
—
ns
0
—
ns
3
—
ns
10
—
ns
10
—
ns
10
—
ns
10
—
ns
0
—
ns
3
—
ns
12
—
ns
12
—
ns
0
—
ns
3
—
ns
0
—
ns
3
—
ns
0
—
ns
3
—
ns
0
—
ns
3
—
ns
17
—
ns
10
—
ns
10
—
ns
10
—
ns
10
—
ns
0
—
ns
3
—
ns
30
—
ns
30
—
ns
3
30
ns
9/15
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