HD64F2149 Datasheet, PDF (726/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 22.16 AC Characteristics in Memory Read Mode
Conditions: V_CC = 3.3 V ±0.3 V, V_SS = 0 V, T_a = 25°C ±5°C
Item
Access time
CE output delay time
OE output delay time
Output disable delay time
Data output hold time
Symbol
t _acc
t _ce
t _oe
t _df
t _oh
Min
—
—
—
—
5
Max
20
150
150
100
—
Unit
µs
ns
ns
ns
ns
FA17 to FA0
CE
OE
WE
FO7 to FO0
Address stable
t_acc
t_oh
Data
Address stable
VIL
t_acc
VIL
VIH
t_oh
Data
Figure 22.18 Timing Waveforms for CE/OE Enable State Read
FA17 to FA0
CE
OE
WE
FO7 to FO0
Address stable
t_ce
Address stable
t_acc
t_ce
t_oe
t_oe
t_acc
t_df
Data
t_oh
VIH
t_df
Data
t_oh
Figure 22.19 Timing Waveforms for CE/OE Clocked Read
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