km68257c Samsung Semiconductor, Inc., km68257c Datasheet - Page 5

• 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
WRITE CYCLE
TIMING DIAGRAMS
TIMING WAVE FORM OF READ CYCLE(1)
ADD
Data Out
Write Cycle Time
Chip Select to End of Write
Address Setup 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
Parameter
Previous Data Valid
t
Symbol
OH
t
t
t
t
t
t
t
t
WHZ
t
WP1
t
t
WC
CW
AW
WP
WR
DW
OW
DH
AS
(Address Controlled, CS=OE=V
KM68257C/CL-12
Min
12
12
t
9
0
9
9
0
0
7
0
0
AA
- 5 -
Max
6
-
-
-
-
-
-
-
-
-
-
t
RC
IL
, WE=V
KM68257C/CL-15
Min
15
11
12
12
15
0
0
0
8
0
0
IH
)
Max
8
-
-
-
-
-
-
-
-
-
-
Data Valid
KM68257C/CL-20
Min
PRELIMINARY
20
13
13
13
20
10
0
0
0
0
0
CMOS SRAM
Max
8
February-1996
-
-
-
-
-
-
-
-
-
-
Rev 3.0
Unit
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