Datasheet

734
Table 22.16 AC Characteristics in Auto-Program Mode (Conditions: V
CC
= 5.0 V ±10%,
V
SS
= 0 V, T
a
= 25°C ±5°C)
Item Symbol Min Max Unit Notes
Command write cycle t
nxtc
20 µs
CE hold time t
ceh
0ns
CE setup time t
ces
0ns
Data hold time t
dh
50 ns
Data setup time t
ds
50 ns
Write pulse width t
wep
70 ns
Status polling start time t
wsts
1ms
Status polling access time t
spa
150 ns
Address setup time t
as
0ns
Address hold time t
ah
60 ns
Memory write time t
write
1 3000 ms
Write setup time t
pns
100 ns
Write end setup time t
pnh
100 ns
WE rise time t
r
30 ns
WE fall time t
f
30 ns
CE
A16-0
FWE
OE
WE
I/O7
I/O6
I/O5-0
t
pns
t
wep
t
ds
t
dh
t
f
t
r
t
as
t
ah
t
wsts
t
write
t
spa
t
ces
t
ceh
t
nxtc
t
nxtc
t
pnh
Address
stable
H'40 H'00
Data transfer
1 to 128byte
Write operation complete verify signal
Write normal complete verify signal
Figure 22.25 Auto-Program Mode Timing Waveforms