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AC Characteristics
Table 17-40 AC Characteristics in Auto-Program Mode
(Conditions: V
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
Status polling start time
Status polling access time
Address setup time
Address hold time
Memory write time
WE rise time
WE fall time
A
to A
18
0
t
ces
CE
OE
WE
I/O
7
I/O
6
I/O
to I/O
5
0
Figure 17-56 Auto-Program Mode Timing Waveforms
= 3.3 V ±0.3 V, V
CC
Symbol
t
nxtc
t
ceh
t
ces
t
dh
t
ds
t
wep
t
wsts
t
spa
t
as
t
ah
t
write
t
r
t
f
Address stable
t
t
ceh
nxtc
t
t
wep
t
t
f
r
t
t
ds
dh
H'40
= 0 V, T
= 25°C ±5°C)
SS
a
Min
20
0
0
50
50
70
1
—
0
60
1
—
—
t
as
ah
Data transfer
1 byte to 128 bytes
Max
Unit
µs
—
—
ns
—
ns
—
ns
—
ns
—
ns
—
ms
150
ns
—
ns
—
ns
3000
ms
30
ns
30
ns
t
t
t
wsts
spa
t
write
Programming operation
end identification signal
Programming normal
end identification signal
H'00
Rev. 5.00, 12/03, page 657 of 1088
nxtc
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