Datasheet

736
CE
A16-0
FWE
OE
WE
I/O7
I/O6
I/O5-0
t
ens
t
wep
t
ds
t
dh
t
f
t
r
t
ests
t
erase
t
spa
t
ces
t
ceh
t
nxtc
t
nxtc
t
enh
H'20 H'20 H'00
Erase complete
verify signal
Erase normal
complete
verify signal
Figure 22.26 Auto-Erase Mode Timing Waveforms
22.11.6 Status Read Mode
Table 22.18 AC Characteristics in Status Read Mode (Conditions: V
CC
= 5.0 V ±10%,
V
SS
= 0 V, T
a
= 25°C ±5°C)
Item Symbol Min Max Unit Notes
Read time after command write t
std
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
OE output delay time t
oe
150 ns
Disable delay time t
df
100 ns
CE output delay time t
ce
150 ns
WE rise time t
r
30 ns
WE fall time t
f
30 ns