HANBit
HMS12832M4
Chip Select to Output
tCO
tOE
tOLZ
tLZ
12
6
15
7
20
9
ns
ns
ns
ns
ns
ns
ns
ns
ns
Output Enable to Output
Output Enable to Low-Z Output
Chip Enable to Low-Z Output
Output Disable to High-Z Output
Chip Disable to High-Z Output
Output Hold from Address Change
Chip Select to Power Up Time
Chip Select to Power Down Time
0
3
0
0
3
0
-
0
3
0
0
3
0
0
3
0
0
3
0
tOHZ
tHZ
tOH
tPU
6
6
7
7
9
9
tPD
12
15
20
WRITE CYCLE
-12
-15
-20
PARAMETER
SYMBOL
UNIT
MIN
12
8
MAX
MIN
15
10
0
MAX
MIN
20
12
0
MAX
Write Cycle Time
tWC
tCW
tAS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Chip Select to End of Write
Address Set-up Time
0
Address Valid to End of Write
Write Pulse Width
tAW
tWP
tWR
tWHZ
tDW
tDH
8
9
10
10
0
8
9
Write Recovery Time
0
0
Write to Output High-Z
Data to Write Time Overlap
Data Hold from Write Time
End of Write to Output Low-Z
0
6
0
7
0
9
6
7
8
0
0
0
tOW
3
3
3
TIMING DIAGRAMS
(Address Controlled) ( /CE =/ OE = V , /WE = V )
TIMING WAVEFORM OF READ CYCLE
IL
IH
tRC
Address
tAA
tOH
Data out
Previous Data Valid
Data Valid
5
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