HD64F2357VF13 Datasheet, PDF (682/1049 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Table 19-43 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
—
—
—
—
—
—
30
30
Unit
µs
ns
ns
ns
ns
ns
ns
ns
A₁₈ to A₀
CE
OE
WE
I/O₇ to I/O₀
Memory read mode
Address stable
Other mode command write
t_nxtc
t_ces
t_ceh
t_f
t_wep
t_r
t_ds
t_dh
Note: Do not enable WE and OE at the same time.
Figure 19-56 Timing Waveforms when Entering Another Mode from Memory Read Mode
Table 19-44 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
20
150
150
100
—
Unit
µs
ns
ns
ns
ns
Rev.6.00 Oct.28.2004 page 652 of 1016
REJ09B0138-0600H