W24L257A WINBOND [Winbond], W24L257A Datasheet - Page 4

• Manufacturer Part Number: W24L257A
• Description: 32K X 8 High Speed CMOS Static RAM
• Manufacturer: WINBOND [Winbond]

AC Characteristics, continued
(V
(1) Read Cycle
(2) Write Cycle
These parameters are sampled but not 100% tested
These parameters are sampled but not 100% tested
Write Cycle Time
Chip Selection to End of Write
Address Valid to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
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
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Selection to Output in Low Z
Output Enable to Output in Low Z
Chip Deselection to Output in High Z
Output Disable to Output in High Z
Output Hold from Address Change
DD
= 3.3V
5%, V
PARAMETER
PARAMETER
SS
= 0V, Ta = 0 to 70 C)
CS , WE
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
SYM.
SYM.
WC
CW
AW
AS
WP
WR
DW
DH
WHZ
OHZ
OW
RC
AA
ACS
AOE
CLZ
OLZ
CHZ
OHZ
OH
*
*
*
*
*
*
W24L257A-12
W24L257A-12
- 4 -
MIN.
MIN.
12
12
10
10
10
4
0
3
0
1
7
0
0
-
-
-
-
-
-
-
MAX.
MAX.
12
12
6
6
6
7
7
-
-
-
-
-
-
-
-
-
-
-
-
-
W24L257A-15
W24L257A-15
MIN.
MIN.
15
15
13
13
10
4
0
3
0
1
9
0
0
-
-
-
-
-
-
-
MAX.
MAX.
15
15
8
7
7
8
8
-
-
-
-
-
-
-
-
-
-
-
-
-
W24L257A-20
MIN.
W24L257A-20
MIN.
20
20
17
17
12
10
4
0
3
0
1
0
0
-
-
-
-
-
-
-
W24L257A
MAX.
MAX.
20
20
10
10
10
10
10
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
UNIT
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS
nS