W24512A1111 Datasheet, PDF (4/10 Pages) Winbond – 64K X 8 HIGH SPEED CMOS STATIC RAM

W24512A
AC Characteristics, continued
(VDD = 5V ±10%, VSS = 0V, TA = 0 to 70° C)
Read Cycle
PARAMETER
SYM.
Read Cycle Time
TRC
Address Access Time
TAA
Chip Select Access Time
CS1 ^TACS1
Output Enable to Output Valid
Chip Selection to Output in Low Z
CS2
CS1
TACS2
TAOE
TCLZ1*
Output Enable to Output in Low Z
Chip Deselection to Output in
CS2
CS1
TCLZ2*
TOLZ*
TCHZ1*
High Z
Output Disable to Output in High Z
CS2
TCHZ2*
TOHZ*
Output Hold from Address Change
TOH
* These parameters are sampled but not 100% tested.
W24512A-15
MIN. MAX.
15
-
-
15
-
15
-
15
-
7
3
-
3
-
0
-
-
7
-
7
-
7
3
-
W24512A-25
MIN. MAX.
20
-
-
20
-
20
-
20
-
10
3
-
3
-
0
-
-
10
-
10
-
1
3
-
W24512A-25
MIN. MAX.
25
-
-
25
-
25
-
25
-
12
3
-
3
-
0
-
-
12
-
12
-
12
3
-
W24512A-35 UNIT
MIN. MAX.
35
-
nS
-
35 nS
-
35 nS
-
35 nS
-
17 nS
3
-
nS
3
-
nS
0
-
nS
-
17 nS
-
17 nS
-
17 nS
3
-
nS
Write Cycle
PARAMETER
SYM.
Write Cycle Time
Chip Selection to End of Write
CS1
TWC
TCW1
Address Valid to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
CS2
CS1, WE
TCW2
TAW
TAS
TWP
TWR1
CS2
Data Valid to End of Write
Data Hold from End of Write
Write to Output in High Z
Output Disable to Output in High Z
Output Active from End of Write
TWR2
TDW
TDH
TWHZ*
TOHZ*
TOW
* These parameters are sampled but not 100% tested.
W24512A-15
MIN. MAX.
15
-
13
-
13
-
13
-
0
-
10
-
0
-
0
-
9
-
0
-
-
8
-
8
0
-
W24512A-25
MIN. MAX.
20
-
17
-
17
-
17
-
0
-
12
-
0
-
0
-
10
-
0
-
-
10
-
10
0
-
W24512A-25
MIN. MAX.
25
-
18
-
18
-
18
-
0
-
15
-
0
-
0
-
12
-
0
-
-
12
-
12
0
-
W24512A-35 UNIT
MIN. MAX.
35
-
nS
20
-
nS
20
-
nS
20
-
nS
0
-
nS
18
-
nS
0
-
nS
0
-
nS
15
-
nS
0
-
nS
-
15 nS
-
15 nS
0
-
nS
-4-