Read Cycle
AD404M42V
Unit
Notes
-5
-6
Min
Max
50
Min
Max
60
Parameter
Symbol
tRAC
Access time from RAS
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
12
Access time from CAS
tCAC
tAA
14
25
12
-
15
30
15
-
13, 14
14, 15
Access time from column address
Access time from OE
tOEA
tRCS
tRCH
tRRH
tOFF
tOEZ
Read command setup time
Read command hold time to CAS
Read command hold time to RAS
Output buffer turn-off time
Output buffer turn-off time from OE
0
0
0
0
0
0
0
0
0
0
7
10, 16
16
-
-
-
-
12
12
15
15
17
17
Write Cycle
AD404M42V
Unit
Notes
7, 18
-5
-6
Min
Max
Min
Max
Parameter
Symbol
tWCS
Write command setup time
0
-
-
-
-
-
-
-
-
0
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
Write command hold time
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data-in setup time
tWCH
tWP
8
8
10
10
15
10
0
tRWL
tCWL
tDS
13
8
0
19
19
Data-in hold time
tDH
8
10
10
WE to Data-in delay
tWED
10
Rev.1
Page11
ETC [ ETC ]
