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SH7052 Datasheet(PDF) 804 Page - Renesas Technology Corp |
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SH7052 Datasheet(HTML) 804 Page - Renesas Technology Corp |
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804 / 919 page  778 CE A18 to A0 OE WE I/O7 to I/O0 Note: Do not enable WE and OE at the same time. tceh twep tf tr tces tnxtc Address stable tds tdh Other mode command write Memory read mode Figure 21.22 Timing Waveforms in Transition from Memory Read Mode to Another Mode Table 21.17 AC Characteristics in Memory Read Mode (Conditions: V CC = 3.3 V ±0.3 V, V SS = 0 V, Ta = 25°C ±5°C) Item Symbol Min Max Unit Notes Access time t acc 20 µs CE output delay time t ce 150 ns OE output delay time t oe 150 ns Output disable delay time t df 100 ns Data output hold time t oh 5ns CE A18 to A0 OE WE I/O7 to I/O0 VIL VIL VIH tacc tacc toh toh Address stable Address stable Figure 21.23 CE and OE Enable State Read Timing Waveforms |
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