W24L257AQ-12 View Datasheet(PDF) - Winbond
Part Name
Description
Manufacturer
W24L257AQ-12 Datasheet PDF : 9 Pages
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W24L257A
AC Characteristics, continued
(VDD = 3.3V ± 5%, VSS = 0V, Ta = 0 to 70° C)
(1) Read Cycle
PARAMETER
SYM.
Read Cycle Time
TRC
Address Access Time
TAA
Chip Select Access Time
TACS
Output Enable to Output Valid
TAOE
Chip Selection to Output in Low Z
TCLZ*
Output Enable to Output in Low Z
TOLZ*
Chip Deselection to Output in High Z TCHZ*
Output Disable to Output in High Z
TOHZ*
Output Hold from Address Change
TOH
∗These parameters are sampled but not 100% tested
W24L257A-12
MIN. MAX.
12
-
-
12
-
12
-
6
4
-
0
-
-
6
-
6
3
-
W24L257A-15
MIN. MAX.
15
-
-
15
-
15
-
8
4
-
0
-
-
7
-
7
3
-
W24L257A-20
MIN. MAX.
20
-
-
20
-
20
-
10
4
-
0
-
-
10
-
10
3
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
(2) Write Cycle
PARAMETER
SYM.
Write Cycle Time
TWC
Chip Selection to End of Write
TCW
Address Valid to End of Write
TAW
Address Setup Time
TAS
Write Pulse Width
TWP
Write Recovery Time
CS , WE TWR
Data Valid to End of Write
TDW
Data Hold from End of Write
TDH
Write to Output in High Z
TWHZ*
Output Disable to Output in High Z
TOHZ*
Output Active from End of Write
TOW
∗These parameters are sampled but not 100% tested
W24L257A-12 W24L257A-15
MIN. MAX. MIN. MAX.
12
-
15
-
10
-
13
-
10
-
13
-
0
-
0
-
10
-
10
-
1
-
1
-
W24L257A-20
MIN. MAX.
20
-
17
-
17
-
0
-
12
-
1
-
UNIT
nS
nS
nS
nS
nS
nS
7
-
9
-
10
-
nS
0
-
0
-
0
-
nS
-
7
-
8
-
10
nS
-
7
-
8
-
10
nS
0
-
0
-
0
-
nS
-4-
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