參數(shù)資料
型號(hào): KM736S849
廠(chǎng)商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 256Kx36 Synchronous SRAM(256Kx36位同步靜態(tài) RAM)
中文描述: 256Kx36同步SRAM(256Kx36位同步靜態(tài)內(nèi)存)
文件頁(yè)數(shù): 9/17頁(yè)
文件大?。?/td> 279K
代理商: KM736S849
PRELIMINARY
KM736S849
KM718S949
256Kx36 & 512Kx18 Pipelined N
t
RAM
TM
- 9 -
Rev 0.5
Aug. 1998
DC ELECTRICAL CHARACTERISTICS
(V
DD
=2.5V
±
5%, T
A
=0
°
C to +70
°
C)
** In Case of I/O Pins, the Max. V
IH
=V
DDQ
+0.3V
Parameter
Symbol
Test Conditions
Min
Max
Unit
Input Leakage Current
I
IL
V
DD
=Max ; V
IN
=V
SS
to V
DD
-2
+2
μ
A
μ
A
Output Leakage Current
I
OL
Output Disabled,
-2
+2
Operating Current
I
CC
V
DD
=Max I
OUT
=-0mA
Cycle Time
t
CYC
Min
-67
-
420
mA
-75
-
370
-10
-
300
Standby Current
I
SB
Device deselected, I
OUT
=0mA,
ZZ
V
IL
, f=Max,
All Inputs
0.2V or
V
DD
-0.2V
-67
-
70
mA
-75
-
60
-10
-
50
I
SB1
Device deselected, I
OUT
=0mA, ZZ
0.2V, f=0,
All Inputs=fixed (V
DD
-0.2V or 0.2V)
-
20
mA
I
SB2
Device deselected, I
OUT
=0mA, ZZ
V
DD
-0.2V,
f=Max, All Inputs
V
IL
or
V
IH
-
20
mA
Output Low Voltage
V
OL
I
OL
=1.0mA
-
0.2
V
Output High Voltage
V
OH
I
OH
=-1.0mA
2.0
-
V
Input Low Voltage
V
IL
-0.3*
0.7
V
Input High Voltage
V
IH
1.7
V
DD
+0.3**
V
(T
A
=0 to 70
°
C, V
DD
=2.5V
±
5%, unless otherwise specified)
TEST CONDITIONS
Parameter
Value
Input Pulse Level
0 to 2.5V
Input Rise and Fall Time(Measured at 20% to 80%)
1.0V/ns
1.25V
See Fig. 1
Input and Output Timing Reference Levels
Output Load
V
SS
V
IH
V
SS-
0.8V
20% t
CYC
(MIN)
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