3069RF-ZTAT Datasheet, PDF (693/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

Table 18.21 AC Characteristics in Transition from Memory Read Mode to Others
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
WE rise time
t_r
WE fall time
t_f
Max Unit
µs
ns
ns
ns
ns
ns
30
ns
30
ns
Note
A18-0
CE
OE
WE
I/O7-0
Memory Read Mode
Address Stable
Other Mode Command Write
t_nxtc
t_ces
t_ceh
t_wep
tf
tr
t_ds
t_dh
Note : WE and OE should not be enabled simultaneously.
Figure 18.30 Timing at Transition from Memory Read Mode to Other Modes
Rev. 5.0, 09/04, page 671 of 978