SH7014 Datasheet, PDF (570/754 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

18. 128 kB Flash Memory (F-ZTAT)
A16 to A0
Memory read mode
Address stable
CE
Other mode command write
t_nxtc
t_ces
t_ceh
OE
WE
I/O7 to I/O0
t_wep
t_f
t_r
t_ds
t_dh
Note: Do not enable WE and OE at the same time.
Figure 18.21 Timing Waveforms in Transition from Memory Read Mode to Another Mode
Table 18.15 AC Characteristics in Memory Read Mode
Conditions: V_CC = 5.0 V ±10%, V_SS = 0 V, T_a = 25°C ±5°C
Item
Symbol
Min
Access time
t
acc
CE output delay time
t_ce
OE output delay time
t_oe
Output disable delay time
t_df
Data output hold time
t_oh
5
Max
Unit
Notes
20
μs
150
ns
150
ns
100
ns
ns
Rev.5.00 Sep. 27, 2007 Page 536 of 716
REJ09B0398-0500