HD6432345 Datasheet, PDF (605/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

AC Characteristics
Table 17.23 AC Characteristics in Memory Read Mode Transition AC Characteristics
(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
Command write
Memory read mode
Address stable
CE
OE
WE
Data
t_wep t_ceh
t_nxtc
t_ces
t_f
t_r
H'00
t_dh
t_ds
Data
Note: Data is latched on the rising edge of WE.
Figure 17.27 Memory Read Mode Transition Timing Waveforms
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