參數(shù)資料
型號(hào): KM718B90
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 64Kx18-Bit Synchronous SRAM(64Kx18位同步靜態(tài) RAM)
中文描述: 64Kx18位同步SRAM(64Kx18位同步靜態(tài)內(nèi)存)
文件頁數(shù): 5/12頁
文件大?。?/td> 264K
代理商: KM718B90
PRELIMINARY
KM718B90
64Kx18 Synchronous SRAM
- 5 -
Rev 1.1
April 1997
CAPACITANCE*
(T
A
=25
°
C, f=1MHz)
*NOTE : Sampled not 100% tested.
Parameter
Symbol
C
IN
Test Condition
V
IN
=0V
Min
-
Max
5
Unit
pF
Input Capacitance
Output Capacitance
C
OUT
V
OUT
=0V
-
8
pF
TEST CONDITIONS
(T
A
=0 to 70
°
C, V
DD
=5V
±
5%, unless otherwise specified)
Parameter
Value
0 to 3V
Input Pulse Level
Input Rise and Fall Time(Measured at 0.3V and 2.7V)
2ns
Input and Output Timing Reference Levels
1.5V
Output Load
See Fig. 1
DC ELECTRICAL CHARACTERISTICS
(T
A
=0 to 70
°
C, V
DD
=5V
±
5%)
* V
IL
(Min) = -3.0(Pulse Width
20ns)
Parameter
Symbol
I
IL
I
OL
Test Conditions
Min
-2
-2
-
-
-
Max
+2
+2
270
260
250
Unit
Input Leakage Current
Output Leakage Current
V
DD
=Max ; V
IN
=V
SS
to V
CC
Output Disabled
μ
A
μ
A
Operating Current
I
CC
V
CC
=Max I
OUT
=0mA
Cycle Time
t
CYC
min
15ns
17ns
20ns
mA
Standby Current
I
SB
Device deselected, I
OUT
=0mA, Min Cycle All
Inputs=V
IH
and V
IL,
V
IH
3V and V
IL
=0V
I
OL
= 8.0mA
I
OH
= -4.0mA
-
90
mA
Output Low Voltage
Output High Voltage
Input Low Voltage
Input High Voltage
V
OL
V
OH
V
IL
V
IH
-
0.4
3.3
0.8
V
V
V
V
2.4
-0.5*
2.2
Vcc+5.5
OPERATING CONDITIONS
(0
°
C
T
A
70
°
C)
Parameter
Symbol
V
CC
Min
4.75
Typ.
5.0
Max
5.25
Unit
V
Supply Voltage
Ground
V
SS
0
0
0
V
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