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KM68257CLP-12 数据表(PDF) 4 Page - Samsung semiconductor

部件名 KM68257CLP-12
功能描述  32Kx8 Bit High Speed Static RAM(5V Operating(, Evolutionary Pin out. Operated at Commercial Temperature Range.
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制造商  SAMSUNG [Samsung semiconductor]
网页  http://www.samsung.com/Products/Semiconductor
标志 SAMSUNG - Samsung semiconductor

KM68257CLP-12 数据表(HTML) 4 Page - Samsung semiconductor

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KM68257C/CL
CMOS SRAM
PRELIMINARY
Rev 3.0
- 4 -
February-1996
TEST CONDITIONS
Parameter
Value
Input Pulse Levels
0V to 3V
Input Rise and Fall Times
3§À
Input and Output timing Reference Levels
1.5V
Output Loads
See below
AC CHARACTERISTICS(TA=0 to 70
°C, VCC=5.0V±10%, unless otherwise noted.)
Output Loads(A)
Output Loads(B)
DOUT
5pF*
480
255
for tHZ, tLZ, tWHZ, tOW, tOLZ & tOHZ
+5.0V
READ CYCLE
Parameter
Symbol
KM68257C/CL-12
KM68257C/CL-15
KM68257C/CL-20
Unit
Min
Max
Min
Max
Min
Max
Read Cycle Time
tRC
12
-
15
-
20
-
§À
Address Access Time
tAA
-
12
-
15
-
20
§À
Chip Select to Output
tCO
-
12
-
15
-
20
§À
Output Enable to Valid Output
tOE
-
6
-
7
-
9
§À
Chip Enable to Low-Z Output Access
tLZ
3
-
3
-
3
-
§À
Output Enable to Low-Z Output
tOLZ
0
-
0
-
0
-
§À
Chip Disable to High-Z Output
tHZ
0
6
0
7
0
10
§À
Output Disable to High-Z Output
tOHZ
0
6
0
7
0
10
§À
Output Hold from Address Change
tOH
3
-
3
-
3
-
§À
Chip Selection to Power Up Time
tPU
0
-
0
-
0
-
§À
Chip Selection to Power DownTime
tPD
-
12
-
15
-
20
§À
DOUT
30pF*
480
255
+5V
* Including Scope and Jig Capacitance


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