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參數資料
| 型號： | W26020AT-25 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 128K X 16 High Speed CMOS Static RAM |
| 中文描述： | 128K X 16 STANDARD SRAM, 25 ns, PDSO44 |
| 封裝： | TSOP2-44 |
| 文件頁數： | 2/10頁 |
| 文件大小： | 126K |
| 代理商： | W26020AT-25 |
W26020A
- 2 -
TRUTH TABLE
CS
OE
WE
LB
UB
MODE
I/O1 I/O8
I/O9 I/O16
V
DD
CURRENT
H
L
L
L
L
L
L
L
L
X
H
L
L
L
X
X
X
X
X
H
H
H
H
L
L
L
X
X
X
L
L
H
L
L
H
H
X
X
L
H
L
L
H
L
H
Not Selected
Output Disable
2 Bytes Read
Lower Byte Read
Upper Byte Read
2 Bytes Write
Lower Byte Write
Upper Byte Write
Output Disable
High Z
High Z
D
OUT
D
OUT
High Z
D
IN
D
IN
High Z
High Z
High Z
High Z
D
OUT
High Z
D
OUT
D
IN
High Z
D
IN
High Z
I
SB
, I
SB1
I
DD
I
DD
I
DD
I
DD
I
DD
I
DD
I
DD
I
DD
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
RATING
-0.5 to +7.0
-0.5 to V
DD
+0.5
1.5
-65 to +150
0 to +70
UNIT
V
V
W
°
C
°
C
Supply Voltage to V
SS
Potential
Input/Output to V
SS
Potential
Allowable Power Dissipation
Storage Temperature
Operating Temperature
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
= 5V
±
10%, V
SS
= 0V, T
A
= 0 to 70
°
C)
PARAMETER
Input Low Voltage
Input High Voltage
Input Leakage Current
Output Leakage
Current
SYM.
V
IL
V
IH
I
LI
I
LO
TEST CONDITIONS
-
-
V
IN
= V
SS
to V
DD
V
I/O
= V
SS
to V
DD
Output Pins in High Z,
See Truth Table
I
OL
= +8.0 mA
I
OH
= -4.0 mA
MIN.
-0.5
+2.2
-10
-10
TYP.
-
-
-
-
MAX.
+0.8
V
DD
+0.5
+10
+10
UNIT
V
V
μ
A
μ
A
Output Low Voltage
Output High Voltage
V
OL
V
OH
-
-
-
0.4
-
V
V
2.4
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