SH7055S Datasheet, PDF (873/1002 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

FWE
A19-A0
t_ens t_ces
t_ceh t_nxtc
t_enh
t_nxtc
t_wep
tf
tr
t_ests
t_spa
I/O7
I/O6
I/O5-I/O0
t_ds
t_dh
H'20 or H'25
t_erase
Erase end
identification
signal
Erase normal
end confirmation
signal
H'20 or H'25
H'00
Figure 22.37 Timing in Auto-Erase Mode
Table 22.27 AC Characteristics Status Read Mode
Condition: V_CC = 3.3 V ± 0.3 V, V_SS = 0 V, T_a = 25°C ± 5°C
Code
Symbol Min
Command write cycle
t
20
nxtc
CE hold time
t_ceh
0
CE setup time
t_ces
0
Data hold time
t
50
dh
Data setup time
t
50
ds
Programming pulse width t
70
wep
OE output delay time
t_oe
Disable delay time
t_df
CE output delay time
t
ce
WE rise time
t
r
WE fall time
t
f
Max
Unit
µs
ns
ns
ns
ns
ns
150
ns
100
ns
150
ns
30
ns
30
ns
Note
Rev.2.0, 07/03, page 835 of 960