HD6432345 Datasheet, PDF (607/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

Table 17.25 AC Characteristics when Entering Another Mode from Memory Read 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
WE rise time
WE fall time
Symbol
t _nxtc
t _ceh
t _ces
t _dh
t _ds
t _wep
t_r
t_f
Min
20
0
0
50
50
70
Max Unit Notes
µs
ns
ns
ns
ns
ns
30
ns
30
ns
Address
Memory read mode
Address stable
XX mode command write
CE
OE
WE
Data
Data
Note: Do not enable WE and OE at the same time.
t_nxtc
t_wep t_ceh
t_ces
t_f
t_r
H'XX
t_dh
t_ds
Figure 17.30 Timing Waveforms when Entering Another Mode from Memory Read Mode
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