Hardware Reference
In-Depth Information
t
OES
OE
t
OEH
Address
t
AH
t
AS
t
CH
CE
t
CS
t
WP
WE
t
DS
t
DH
Data In
(a) WE-controlled write timing waveform
t
OES
OE
t
OEH
t
AS
Address
t
CH
t
AH
t
CS
WE
t
WP
CE
t
DS
t
DH
Data In
(b) CE-controlled write timing waveform
Figure 14.40
■
AT28CO10 write-cycle timing waveform
Symbol
Parameter
Min
Max
Unit
t
AS
,
t
OES
t
AH
t
CS
t
CH
t
WP
t
DS
t
DH
,
t
OEH
Address, OE setup time
Address hold time
Chip-select setup time
Chip-select hold time
Write pulse width (WE or CE)
Data setup time
Data, OE hold time
0
50
0
0
100
50
0
ns
ns
ns
ns
ns
ns
ns
Table 14.12
■
AT28C010 write characteristics
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