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參數(shù)資料
| 型號(hào)： | W24257C |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態(tài)RAM) |
| 中文描述： | 32K的× 8位的CMOS靜態(tài)RAM（32K的× 8位的CMOS靜態(tài)RAM）的 |
| 文件頁(yè)數(shù)： | 2/11頁(yè) |
| 文件大小： | 211K |
| 代理商： | W24257C |
Preliminary W24257C
- 2 -
TRUTH TABLE
CS
H
L
L
L
OE
X
H
L
X
WE
X
H
H
L
MODE
I/O1 I/O8
High Z
High Z
Data Out
Data In
V
DD
CURRENT
I
SB
, I
SB
1
I
DD
I
DD
I
DD
Not Selected
Output Disable
Read
Write
DC CHARACTERISTICS
Absolute Maximum Ratings
PARAMETER
RATING
-0.5 to +7.0
-0.5 to V
DD
+0.5
1.0
-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
MIN.
-0.5
+2.2
-2
-2
TYP.
-
-
-
-
MAX.
+0.8
V
DD
+0.5
+2
+ 2
UNIT
V
V
μ
A
μ
A
V
I/O
= V
SS
to V
DD,
CS = V
IH
(min.) or OE = V
IH
(min.) or
WE = V
IL
(max.)
I
OL
= +4.0 mA
I
OH
= -1.0 mA
Output Low Voltage
Output High Voltage
Operating Power
Supply Current
V
OL
V
OH
I
DD
-
-
-
-
0.4
-
80
V
V
2.4
-
CS = V
IL
(min.),
I/O = 0 mA
Cycle = min.,
Duty = 100%
70
mA
100
-
-
70
mA
Standby Power
Supply Current
I
SB
CS = V
IH
(min.)
Cycle = min., Duty = 100%
-
-
3
mA
I
SB1
CS
≥
V
DD
-0.2V
LL
-
-
50
μ
A
μ
A
L
-
-
100
Note: Typical characteristics are at V
DD
= 5V, T
A
= 25
°
C.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W24258C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態(tài)RAM) |
| W24258S-55LL | 32K X 8 CMOS STATIC RAM |
| W24258S-70LE | 32K X 8 CMOS STATIC RAM |
| W24258S-70LI | 32K X 8 CMOS STATIC RAM |
| W24258S-70LL | 32K X 8 CMOS STATIC RAM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W24257K70LL | 制造商:WINBOND 功能描述:New |
| W24257Q-70L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257S-70L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
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