HD64F2357F20V Datasheet, PDF (637/1049 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-chip Microcomputer H8S Family / H8S/2300 Series

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 19-25 Memory Read Mode Timing Waveforms after Command Write
Table 19-22 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
—
µs
—
ns
—
ns
—
ns
—
ns
—
ns
30
ns
30
ns
Rev.6.00 Oct.28.2004 page 607 of 1016
REJ09B0138-0600H