UM61512AV-15 查看數據表（PDF） - UMC Corporation
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UM61512AV-15 Datasheet PDF : 16 Pages
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UM61512A
AC Characteristics (continued)
Symbol
Parameter
Write Cycle
tWC
Write Cycle Time
tCW
Chip Enable to End of Write
tAS
Address Setup Time of Write
tAW
Address Valid to End of Write
tWP
Write Pulse Width
tWR
Write Recovery Time
tWHZ
Write to Output in High Z
tDW
Data to Write Time Overlap
tDH
Data Hold from Write Time
tOW
Output Active from End of Write
UM61512A-15 UM61512A-20 UM61512A-25
Min. Max. Min. Max. Min. Max.
Unit
15
20
20
25
25
-
ns
12
15
15
20
20
-
ns
0
0
0
0
0
-
ns
12
15
15
20
20
-
ns
9
-
11
-
-
-
ns
0
-
0
-
-
-
ns
0
8
0
13
13
13
ns
7
-
7
-
-
-
ns
0
-
0
-
-
-
ns
5
-
5
-
-
-
ns
Notes: tCHZ1, tCHZ2, tOHZ and tWHZ are defined as the time at which the outputs achieve the open circuit condition and are not
referred to output voltage levels.
Timing Waveforms
Read Cycle 1(1,2,4)
tRC
Address
tAA
tOH
tOH
DOUT
5
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