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KM641003B Datasheet(PDF) 4 Page - Samsung semiconductor

Part No. KM641003B
Description  256Kx4 Bit (with OE) High Speed Static RAM(5.0V Operating), Revolutionary Pin out
Download  8 Pages
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Maker  SAMSUNG [Samsung semiconductor]
Homepage  http://www.samsung.com/Products/Semiconductor
Logo SAMSUNG - Samsung semiconductor

KM641003B Datasheet(HTML) 4 Page - Samsung semiconductor

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KM641003B
CMOS SRAM
PRELIMINARY
Rev 2.0
- 4 -
February 1998
PRELIMINARY
Preliminary
TEST CONDITIONS
Parameter
Value
Input Pulse Levels
0V to 3V
Input Rise and Fall Times
3ns
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.)
READ CYCLE
Parameter
Symbol
KM641003B-8
KM641003B-10
KM641003B-12
Unit
Min
Max
Min
Max
Min
Max
Read Cycle Time
tRC
8
-
10
-
12
-
ns
Address Access Time
tAA
-
8
-
10
-
12
ns
Chip Select to Output
tCO
-
8
-
10
-
12
ns
Output Enable to Valid Output
tOE
-
4
-
5
-
6
ns
Chip Enable to Low-Z Output
tLZ
3
-
3
-
3
-
ns
Output Enable to Low-Z Output
tOLZ
0
-
0
-
0
-
ns
Chip Disable to High-Z Output
tHZ
0
4
0
5
0
6
ns
Output Disable to High-Z Output
tOHZ
0
4
0
5
0
6
ns
Output Hold from Address Change
tOH
3
-
3
-
3
-
ns
Chip Selection to Power Up Time
tPU
0
-
0
-
0
-
ns
Chip Selection to Power DownTime
tPD
-
8
-
10
-
12
ns
Output Loads(B)
DOUT
5pF*
480
255
for tHZ, tLZ, tWHZ, tOW, tOLZ & tOHZ
+5.0V
* Including Scope and Jig Capacitance
Output Loads(A)
DOUT
RL = 50
ZO = 50
VL = 1.5V
30pF*
* Capacitive Load consists of all components of the
test environment.


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