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| 型號： | KM68257C |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | 32K x 8 Bit High-Speed CMOS Static RAM(32K x8位高速CMOS 靜態(tài) RAM) |
| 中文描述： | 32K的× 8位高速CMOS靜態(tài)RAM（32K的x8位高速的CMOS靜態(tài)RAM）的 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 127K |
| 代理商： | KM68257C |
KM68257C
CMOS SRAM
PRELIMINARY
Rev 4.0
- 3 -
February 1998
ABSOLUTE MAXIMUM RATINGS*
*
Stresses greater than those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied.
Exposure to absolute maximum rating conditions for extended periods may affect reliability.
Parameter
Symbol
Rating
Unit
Voltage on Any Pin Relative to V
SS
V
IN
,
V
OUT
-0.5 to 7.0
V
Voltage on V
CC
Supply Relative to V
SS
V
CC
-0.5 to 7.0
V
Power Dissipation
P
D
1.0
W
Storage Temperature
T
STG
-65 to 150
°
C
°
C
Operating Temperature
T
A
0 to 70
RECOMMENDED DC OPERATING CONDITIONS
(T
A
=0 to 70
°
C)
* V
IL
(Min) = -2.0(Pulse Width
≤
10ns) for I
≤
20mA
**
V
IH
(Max) = V
CC
+2.0V(Pulse Width
≤
10ns) for I
≤
20mA
Parameter
Symbol
Min
Typ
Max
Unit
Supply Voltage
V
CC
4.5
5.0
5.5
V
Ground
V
SS
0
0
0
V
Input High Voltage
V
IH
2.2
-
V
CC
+0.5**
V
Input Low Voltage
V
IL
-0.5*
-
0.8
V
DC AND OPERATING CHARACTERISTICS
(T
A
=0 to 70
°
C,V
CC
=5.0V
±
10% unless otherwise specified)
* V
CC
=5.0V, Temp.=25
°
C
Parameter
Symbol
Test Conditions
Min
Max
Unit
Input Leakage Current
I
LI
V
IN
= V
SS
to
V
CC
-2
2
μ
A
μ
A
Output Leakage Current
I
LO
CS=V
IH
or OE=V
IH
or WE=V
IL
V
OUT
= V
SS
to
V
CC
-2
2
Operating Current
I
CC
Min. Cycle, 100% Duty
CS=V
IL,
V
IN
= V
IH
or
V
IL,
I
OUT
=0mA
12ns
-
165
mA
15ns
-
150
20ns
-
140
Standby Current
I
SB
Min. Cycle, CS=V
IH
-
40
mA
I
SB1
f=0MHz, CS
≥
V
CC
-0.2V,
V
IN
≥
V
CC
-0.2V or
V
IN
≤
0.2V
-
2
mA
Output Low Voltage Level
V
OL
I
OL
=8mA
-
0.4
V
Output High Voltage Level
V
OH
I
OH
=-4mA
2.4
-
V
V
OH1*
I
OH1
=0.1mA
-
3.95
V
CAPACITANCE*
(T
A
=25
°
C, f=1.0MHz)
* NOTE : Capacitance is sampled and not 100% tested.
Item
Symbol
Test Conditions
MIN
Max
Unit
Input/Output Capacitance
C
I/O
V
I/O
=0V
-
8
pF
Input Capacitance
C
IN
V
IN
=0V
-
7
pF
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