km68257c Samsung Semiconductor, Inc., km68257c Datasheet - Page 4

• Manufacturer Part Number: km68257c
• Description: 32kx8 Bit High Speed Static Ram 5v Operating , Evolutionary Pin Out. Operated At Commercial Temperature Range.
• Manufacturer: Samsung Semiconductor, Inc.

KM68257C/CL
TEST CONDITIONS
READ CYCLE
AC CHARACTERISTICS
Read Cycle Time
Address Access Time
Chip Select to Output
Output Enable to Valid Output
Chip Enable to Low-Z Output Access
Output Enable to Low-Z Output
Chip Disable to High-Z Output
Output Disable to High-Z Output
Output Hold from Address Change
Chip Selection to Power Up Time
Chip Selection to Power DownTime
Output Loads(A)
Input Pulse Levels
Input Rise and Fall Times
Input and Output timing Reference Levels
Output Loads
DOUT
255
Parameter
Parameter
(T
A
+5V
480
30pF*
=0 to 70 C, V
Symbol
* Including Scope and Jig Capacitance
t
t
t
t
t
t
t
OHZ
t
t
t
OLZ
t
CO
OH
RC
OE
PU
PD
AA
LZ
HZ
CC
=5.0V 10%, unless otherwise noted.)
KM68257C/CL-12
Min
12
3
0
0
0
3
0
-
-
-
-
- 4 -
Output Loads(B)
for t
Max
12
12
12
6
6
6
-
-
-
-
-
HZ
, t
LZ
, t
KM68257C/CL-15
WHZ
Min
15
3
0
0
0
3
0
-
-
-
-
DOUT
, t
255
See below
0V to 3V
OW
Value
1.5V
3
, t
§ À
OLZ
Max
15
15
15
7
7
7
-
-
-
-
-
& t
OHZ
KM68257C/CL-20
Min
20
PRELIMINARY
3
0
0
0
3
0
-
-
-
-
+5.0V
480
5pF*
CMOS SRAM
Max
20
20
10
10
20
9
February-1996
-
-
-
-
-
Rev 3.0
Unit
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