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參數資料
| 型號： | W24L257AJ-20 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 High Speed CMOS Static RAM |
| 中文描述： | 32K X 8 STANDARD SRAM, 20 ns, PDSO28 |
| 封裝： | 0.300 INCH, SOJ-28 |
| 文件頁數： | 2/9頁 |
| 文件大小： | 209K |
| 代理商： | W24L257AJ-20 |
W24L257A
- 2 -
TRUTH TABLE
CS
OE
WE
MODE
I/O1
I/O8
High Z
V
DD
CURRENT
H
X
X
Not Selected
I
SB
, I
SB1
L
H
H
Output Disable
High Z
I
DD
L
L
H
Read
Data Out
I
DD
L
X
L
Write
Data In
I
DD
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
RATING
UNIT
Supply Voltage to V
SS
Potential
-0.5 to +4.6
V
Input/Output to V
SS
Potential
-0.5 to V
DD
+0.5
V
Allowable Power Dissipation
1.0
W
Storage Temperature
-65 to +150
°
C
°
C
Operating Temperature
0 to +70
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
Operating Characteristics
(V
DD
= 3.3V
±
5%, V
SS
= 0V, Ta = 0 to 70
°
C)
PARAMETER
SYM
.
V
IL
V
IH
I
LI
I
LO
TEST CONDITIONS
MIN
.
-0.5
+2.0
-10
-10
TYP
.
-
-
-
-
MAX.
UNIT
Input Low Voltage
Input High Voltage
Input Leakage Current
Output Leakage
Current
-
-
+0.8
V
V
μ
A
μ
A
V
DD
+0.3
+10
+ 10
V
IN
= V
SS
to V
DD
V
I/O
= V
SS
to V
DD,
CS = V
IH (min.)
or OE = V
IH (min.)
or WE = V
IL (max.)
I
OL
= +8.0 mA
I
OH
= -4.0 mA
Output Low Voltage
Output High Voltage
Operating Power
V
OL
V
OH
I
DD
-
-
-
-
0.4
-
150
V
V
2.4
-
CS = V
IL (max.),
I/O = 0 mA
Cycle = min.
Duty = 100%
12
mA
Supply Current
15
20
-
-
-
-
-
-
120
100
20
mA
mA
mA
Standby Power
Supply Current
I
SB
CS = V
IH (min.),
Cycle = min.
Duty = 100%
CS
≥
V
DD
-0.2V
I
SB1
-
-
200
μ
A
Note: Typical characteristics are at V
DD
= 3.3V, Ta = 25
°
C.
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| W24L257AK-15 | 32K X 8 High Speed CMOS Static RAM |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W24L257AK-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257AK-15 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257AK-20 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257AQ-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 High Speed CMOS Static RAM |
| W24L257AQ-15 | 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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