參數(shù)資料
型號(hào)： KM68257EI-12
廠商： SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述： 32Kx8 Bit High-Speed CMOS Static RAM(5V Operating) Operated at Commercial and Industrial Temperature Ranges.
中文描述： 32Kx8位高速CMOS靜態(tài)RAM（5V的工作），在商業(yè)和工業(yè)溫度范圍操作。
文件頁(yè)數(shù)： 3/8頁(yè)
文件大?。?/td> 166K
代理商： KM68257EI-12
KM68257E, KM68257EI
CMOS SRAM
PRELIMINARY
Revision 0.0
August 1998
- 3 -
RECOMMENDED DC OPERATING CONDITIONS
(T
A
=0 to 70
°
C)
NOTE: The above parameters are also guaranteed at industrial temperature range.
* V
IL
(Min) = -2.0(Pulse Width
≤
7ns) for I
≤
20mA
**
V
IH
(Max) = V
CC
+2.0V(Pulse Width
≤
7ns) 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)
NOTE: The above parameters are also guaranteed at industrial temperature range.
* 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
-1
1
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
-1
1
Operating Current
I
CC
Min. Cycle, 100% Duty
CS=V
IL,
V
IN
= V
IH
or
V
IL,
I
OUT
=0mA
10ns
-
80
mA
12ns
-
80
15ns
-
80
Standby Current
I
SB
Min. Cycle, CS=V
IH
-
20
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
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
W
°
C
°
C
°
C
Power Dissipation
P
D
1.0
Storage Temperature
T
STG
-65 to 150
Operating Temperature
Commercial
T
A
0 to 70
Industrial
T
A
-40 to 85
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