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H838024 Datasheet(PDF) 225 Page - Renesas Technology Corp |
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H838024 Datasheet(HTML) 225 Page - Renesas Technology Corp |
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225 / 697 page  Section 6 ROM Rev. 7.00 Mar 10, 2005 page 183 of 652 REJ09B0042-0700 Table 6.17 AC Characteristics in Auto-Program Mode Conditions: VCC = 3.3 V ±0.3 V, VSS = 0 V, Ta = 25°C ±5°C Item Symbol Min Max Unit Notes Command write cycle tnxtc 20 — µs Figure 6.17 CE hold time tceh 0— ns CE setup time tces 0— ns Data hold time tdh 50 — ns Data setup time tds 50 — ns Write pulse width twep 70 — ns Status polling start time twsts 1— ms Status polling access time tspa — 150 ns Address setup time tas 0— ns Address hold time tah 60 — ns Memory write time twrite 1 3000 ms WE rise time tr —30 ns WE fall time tf —30 ns CE A15 −A0 OE WE I/O7 I/O6 I/O5 −I/O0 twep tds tdh tf tr tas tah twsts twrite tspa tces tceh tnxtc tnxtc Address stable H'40 H'00 Data transfer 1 to 128 bytes Write operation end decision signal Write normal end decision signal Figure 6.17 Auto-Program Mode Timing Waveforms |
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