3069RF-ZTAT Datasheet, PDF (696/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 18.24 AC Characteristics Auto-Erase Mode
Condition : V_CC = 5.0 V ± 0.5 V, V_SS = 0 V, T_a = 25°C ± 5°C
Code
Symbol Min
Command write cycle
t_nxtc
20
CE hold time
t_ceh
0
CE setup time
t
0
ces
Data hold time
t
50
dh
Data setup time
t_ds
50
Programming pulse width t_wep
70
Status polling start time
t_ests
1
Status polling access time t_spa
Memory erase time
t_erase
100
Erase setup time
t
100
ens
Erase end setup time
t
100
enh
WE rise time
t_r
WE fall time
t_f
Max
150
40000
30
30
Unit
µs
ns
ns
ns
ns
ns
ms
ns
ms
ns
ns
ns
ns
Note
FWE
A18-0
CE
OE
WE
I/O7
I/O6
I/O5-0
t_ens t_ces
t_ceh t_nxtc
t_enh
t_nxtc
t_wep
tf
tr
t_ests
t_spa
t_ds
t_dh
H'20 or
H'25
t_erase
Erase end
identification
signal
H'20 or
H'25
Erase normal
and confirmation
signal
H'00
Figure 18.34 Timing in Auto-Erase Mode
Rev. 5.0, 09/04, page 674 of 978