Datasheet

Section 6 ROM
Rev. 8.00 Mar. 09, 2010 Page 185 of 658
REJ09B0042-0800
Table 6.17 AC Characteristics in Auto-Program Mode
Conditions: V
CC
= 3.3 V ±0.3 V, V
SS
= 0 V, T
a
= 25°C ±5°C
Item Symbol Min Max Unit Notes
Command write cycle t
nxtc
20 — µs Figure 6.17
CE hold time t
ceh
0 — ns
CE setup time t
ces
0 — ns
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
1 — ms
Status polling access time t
spa
— 150 ns
Address setup time t
as
0 — ns
Address hold time t
ah
60 — ns
Memory write time t
write
1 3000 ms
WE rise time t
r
— 30 ns
WE fall time t
f
— 30 ns
CE
A15−A0
OE
WE
I/O7
I/O6
I/O5−I/O0
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
Address
stable
H'40 H'00
Data transfer
1 to 128 bytes
Write operation end decision signal
Write normal end decision signal
Figure 6.17 Auto-Program Mode Timing Waveforms