km681002a Samsung Semiconductor, Inc., km681002a Datasheet - Page 5

• Manufacturer Part Number: km681002a
• Description: 128kx8 High Speed Static Ram5v Operating, Revolutionary Pin Out. Operated At Commercial And Industrial Temperature Range.
• Manufacturer: Samsung Semiconductor, Inc.

KM681002A, KM681002AI
WRITE CYCLE
NOTE : The above parameters are also guaranteed at industrial temperature range.
TIMMING DIAGRAMS
Write Cycle Time
Chip Select to End of Write
Address Set-up Time
Address Valid to End of Write
Write Pulse Width(OE High)
Write Pulse Width(OE Low)
Write Recovery Time
Write to Output High-Z
Data to Write Time Overlap
Data Hold from Write Time
End Write to Output Low-Z
TIMING WAVEFORM OF READ CYCLE(1)
TIMING WAVEFORM OF READ CYCLE(2)
Address
Data Out
V
Current
Address
CS
OE
Data out
CC
Parameter
I
I
CC
SB
Previous Valid Data
Symbol
t
t
t
t
t
t
t
t
t
WP1
WHZ
t
t
OW
WC
CW
AW
WP
WR
DW
DH
AS
t
PU
t
LZ(4,5)
(Address Controlled
(WE=V
t
OLZ
t
OH
50%
t
KM681002A-12
Min
IH
AA
12
12
8
0
8
8
0
0
6
0
3
)
t
CO
- 5 -
t
OE
t
AA
Max
,
6
CS=OE=V
-
-
-
-
-
-
-
-
-
-
t
RC
t
RC
IL
KM681002A-15
Min
, WE=V
15
10
10
10
15
0
0
0
7
0
3
Valid Data
IH
)
Max
7
-
-
-
-
-
-
-
-
-
-
Valid Data
KM681002A-20
Min
20
12
12
12
20
t
t
t
0
0
0
9
0
3
HZ(3,4,5)
OHZ
OH
CMOS SRAM
50%
t
PD
PRELIMINARY
Max
9
-
-
-
-
-
-
-
-
-
-
Ferruary 1998
Rev 4.0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns