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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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H8S/2225 数据表(PDF) 942 Page - Renesas Technology Corp |
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H8S/2225 数据表(HTML) 942 Page - Renesas Technology Corp |
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942 / 1071 page  Section 27 Electrical Characteristics Rev. 5.00 Aug 08, 2006 page 856 of 982 REJ09B0054-0500 (3) Bus Timing Table 27.7 lists the bus timing. Table 27.7 Bus Timing Condition A: VCC = 4.0 V to 5.5 V, AVCC = 4.0 V to 5.5 V, Vref = 4.0 V to AVCC, VSS = AVSS = 0 V, φ = 10 to 13.5 MHz, Ta = –20°C to +75°C (regular specifications), Ta = –40°C to +85 °C (wide-range specifications) Condition A Item Symbol Min Max Unit Test Conditions Address delay time tAD 50 ns Address setup time tAS 0.5 × tcyc − 30 ns Figures 27.14 to 27.18 Address hold time tAH 0.5 × tcyc − 15 ns CS delay time tCSD 50 ns AS delay time tASD 50 ns RD delay time 1 tRSD1 50 ns RD delay time 2 tRSD2 50 ns Read data setup time tRDS 30 ns Read data hold time tRDH 0 ns Read data access time 1 tACC1 1.0 × tcyc − 65 ns Read data access time 2 tACC2 1.5 × tcyc − 65 ns Read data access time 3 tACC3 2.0 × tcyc − 65 ns Read data access time 4 tACC4 2.5 × tcyc − 65 ns Read data access time 5 tACC5 3.0 × tcyc − 65 ns WR delay time 1 tWRD1 50 ns WR delay time 2 tWRD2 50 ns WR pulse width 1 tWSW1 1.0 × tcyc − 30 ns WR pulse width 2 tWSW2 1.5 × tcyc − 30 ns Write data delay time tWDD 70 ns Write data setup time tWDS 0.5 × tcyc − 37 ns Write data hold time tWDH 0.5 × tcyc − 15 ns WAIT setup time tWTS 50 ns WAIT hold time tWTH 10 ns Figure 27.16 BREQ setup time tBRQS 50 ns BACK delay time tBACD 50 ns Bus-floating time tBZD 80 ns Figure 27.19 |
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