D12320VF25V Datasheet, PDF (819/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Table 17.69 AC Characteristics Auto-Erase Mode
Condition: V_CC = 3.3 V ± 0.3 V, V_SS = 0 V, T_a = 25˚C ± 5˚C
Code
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Programming pulse width
Status polling start time
Status polling access time
Memory erase time
WE rise time
WE fall time
Symbol
tnxtc
tceh
tces
tdh
tds
twep
tests
tspa
terase
tr
tf
Min
20
0
0
50
50
70
1
—
100
—
—
Section 17 ROM
Max
Unit
—
μs
—
ns
—
ns
—
ns
—
ns
—
ns
—
ms
150
ns
40000
ms
30
ns
30
ns
A18-0
CE
OE
WE
I/O7
I/O6
I/O5-0
t_ces
t_ceh t_nxtc
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
Erase normal
and confirmation
signal
H'20 or
H'25
H'00
Figure 17.93 Timing in Auto-Erase Mode
Rev.7.00 Feb. 14, 2007 page 785 of 1108
REJ09B0089-0700