km641001a Samsung Semiconductor, Inc., km641001a Datasheet - Page 4

• Manufacturer Part Number: km641001a
• Description: 256kx 4 High Speed Static Ram 5v Operating , Evolutionary Pin Out Operated At Commercial Temperature Range
• Manufacturer: Samsung Semiconductor, Inc.

AC CHARACTERISTICS
TEST CONDITIONS
Output Loads(A)
READ CYCLE
KM641001A
Read Cycle Time
Address Access Time
Chip Select to Output
Output Enable to Valid Output
Chip Enable to Low-Z Output
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
Input Pulse Levels
Input Rise and Fall Times
Input and Output timing Reference Levels
Output Loads
D
255
OUT
Parameter
Parameter
(T
A
=0 to 70 C, V
+5.0V
480
30pF*
* Including Scope and Jig Capacitance
CC
=5.0V 10%, unless otherwise noted.)
Symbol
t
t
t
t
t
t
t
t
OHZ
t
t
t
OLZ
RC
CO
OE
HZ
OH
PU
PD
AA
LZ
- 4 -
Output Loads(B)
for t
HZ
Min
KM641001A-15
15
, t
3
0
0
0
3
0
-
-
-
-
LZ
, t
WHZ
, t
OW
D
Max
255
15
15
15
OUT
8
6
6
-
-
-
-
-
, t
OLZ
See below
0V to 3V
Value
& t
1.5V
3ns
OHZ
Min
KM641001A-20
20
3
0
0
0
3
0
-
-
-
-
CMOS SRAM
PRELIMINARY
+5.0V
480
5pF*
Max
20
20
10
20
8
8
-
-
-
-
-
February 1998
Rev 5.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns