HD6432345 Datasheet, PDF (610/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

17.13.6 Auto-Erase Mode
Autro-erase mode supports only automatic erasure of the entire flash memory mat.
AC Characteristics
Table 17.27 AC Characteristics in Auto-Erase Mode
(Conditions: V_CC = 5.0 V ±10%, V_SS = 0 V, T_a = 25°C ±5°C)
Item
Command write cycle
CE hold time
CE setup time
Data hold time
Data setup time
Write pulse width
Status polling start time
Status polling access time
Memory erase time
WE rise time
WE fall time
Erase setup time
Erase end setup time
Symbol
t _nxtc
t _ceh
t _ces
t _dh
t _ds
t _wep
t _ests
t _spa
t _erase
t_r
t_f
t _ens
t _enh
Min
20
0
0
50
50
70
1
100
100
100
Max Unit
µs
ns
ns
ns
ns
ns
ms
150
ns
40000 ms
30
ns
30
ns
ns
ns
Notes
598