W2465 Datasheet, PDF (4/10 Pages) Winbond – 8K X 8 CMOS STATIC RAM

W2465
AC Characteristics, continued
(VDD = 5V ±10%, VSS = 0V, TA = 0 to 70° C)
Read Cycle
PARAMETER
Read Cycle Time
Address Access Time
Chip Select Access Time
CS1
CS2
Output Enable to Output Valid
Chip Selection to Output in Low Z
CS1
CS2
Output Enable to Output in Low Z
Chip Deselection to Output in High Z _CS1
CS2
Output Disable to Output in High Z
Output Hold from Address Change
* These parameters are sampled but not 100% tested.
SYM.
TRC
TAA
TACS1
TACS2
TAOE
TCLZ1*
TCLZ2*
TOLZ*
TCHZ1*
TCHZ2*
TOHZ*
TOH
W2465-70
MIN. MAX.
70
-
-
70
-
70
-
70
-
35
5
-
5
-
5
-
-
30
-
30
-
30
10
-
W2465-10
MIN. MAX.
100
-
-
100
-
100
-
100
-
50
10
-
10
-
5
-
-
35
-
35
-
35
10
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
Write Cycle
PARAMETER
Write Cycle Time
Chip Selection to End of Write
CS1
CS2
Address Valid to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
CS1_{, WE}
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
* These parameters are sampled but not 100% tested.
SYM.
TWC
TCW1
TCW2
TAW
TAS
TWP
TWR1
TWR2
TDW
TDH
TWHZ*
TOHZ*
TOW
W2465-70
MIN. MAX.
70
-
60
-
60
-
60
-
0
-
45
-
0
-
0
-
30
-
0
-
-
30
-
30
0
-
W2465-10
MIN. MAX.
100
-
80
-
80
-
80
-
0
-
60
-
0
-
0
-
40
-
0
-
-
30
-
30
0
-
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
-4-