HD64F2357F20V Datasheet, PDF (638/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

Address
Address stable
×× 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'××
t_dh
t_ds
Figure 19-26 Timing Waveforms when Entering Another Mode from Memory Read Mode
Table 19-23 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
20
µs
150
ns
150
ns
100
ns
—
ns
Address
CE
OE
WE
Data
Address stable
Address stable
t_acc
t_acc
t_oh
Data
VIL
VIL
VIH
t_oh
Data
Figure 19-27 Timing Waveforms for CE/OE Enable State Read
Rev.6.00 Oct.28.2004 page 608 of 1016
REJ09B0138-0600H