Datasheet

Section 23 ROM (H8S/2148 F-ZTAT A-Mask Version, H8S/2147 F-ZTAT A-Mask Version, H8S/2144 F-ZTAT A-Mask Version)
Rev. 4.00 Sep 27, 2006 page 723 of 1130
REJ09B0327-0400
23.10.5 Auto-Program Mode
AC Characteristics
Table 23.16 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
Command write cycle t
nxtc
20 µs
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