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參數資料
| 型號： | W24L257 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 32K X 8 High Speed CMOS Static RAM |
| 中文描述： | 32K的乘八高速CMOS靜態RAM |
| 文件頁數： | 4/9頁 |
| 文件大小： | 209K |
| 代理商： | W24L257 |
W24L257A
- 4 -
AC Characteristics, continued
(V
DD
= 3.3V
±
5%, V
SS
= 0V, Ta = 0 to 70
°
C)
(1) Read Cycle
PARAMETER
SYM.
W24L257A-12
W24L257A-15
W24L257A-20
UNIT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Read Cycle Time
T
RC
12
-
15
-
20
-
nS
Address Access Time
T
AA
-
12
-
15
-
20
nS
Chip Select Access Time
T
ACS
-
12
-
15
-
20
nS
Output Enable to Output Valid
T
AOE
-
6
-
8
-
10
nS
Chip Selection to Output in Low Z
T
CLZ
*
4
-
4
-
4
-
nS
Output Enable to Output in Low Z
T
OLZ
*
0
-
0
-
0
-
nS
Chip Deselection to Output in High Z
T
CHZ
*
-
6
-
7
-
10
nS
Output Disable to Output in High Z
T
OHZ
*
-
6
-
7
-
10
nS
Output Hold from Address Change
T
OH
3
-
3
-
3
-
nS
These parameters are sampled but not 100% tested
(2) Write Cycle
PARAMETER
SYM.
W24L257A-12
W24L257A-15
W24L257A-20
UNIT
MIN.
MAX.
MIN.
MAX.
MIN.
MAX.
Write Cycle Time
T
WC
12
-
15
-
20
-
nS
Chip Selection to End of Write
T
CW
10
-
13
-
17
-
nS
Address Valid to End of Write
T
AW
10
-
13
-
17
-
nS
Address Setup Time
T
AS
0
-
0
-
0
-
nS
Write Pulse Width
T
WP
10
-
10
-
12
-
nS
Write Recovery Time
CS
,
WE
T
WR
1
-
1
-
1
-
nS
Data Valid to End of Write
T
DW
7
-
9
-
10
-
nS
Data Hold from End of Write
T
DH
0
-
0
-
0
-
nS
Write to Output in High Z
T
WHZ
*
-
7
-
8
-
10
nS
Output Disable to Output in High Z
T
OHZ
*
-
7
-
8
-
10
nS
Output Active from End of Write
T
OW
0
-
0
-
0
-
nS
These parameters are sampled but not 100% tested
相關PDF資料 |
PDF描述 |
|---|---|
| W24L257AJ-12 | 32K X 8 High Speed CMOS Static RAM |
| W24L25 | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
| W24LH8 | Normal speed, Very low power CMOS static RAM Organized as 32768 x 8 bits |
| W24LH8Q-55LE | Normal speed, Very low power CMOS static RAM Organized as 32768 x 8 bits |
| W24LH8Q-55LI | Normal speed, Very low power CMOS static RAM Organized as 32768 x 8 bits |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W24L257A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257A-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257A-15 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257A-20 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257AJ-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
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