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H8SX/1663R Datasheet(PDF) 1406 Page - Renesas Technology Corp |
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H8SX/1663R Datasheet(HTML) 1406 Page - Renesas Technology Corp |
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1406 / 1504 page  Section 30 Electrical Characteristics Rev. 2.00 Sep. 24, 2008 Page 1374 of 1468 REJ09B0412-0200 Table 30.8 Bus Timing (3) Conditions: V CC = PLLVCC = DrVCC = 3.0 V to 3.6 V*, AVCC = 3.0 V to 3.6 V, Vref = 3.0 V to AV CC, VSS = PLLVSS = DrVSS = AVSS = 0 V, Bφ = 8 MHz to 50 MHz, T a = –20°C to +75°C (regular specifications), T a = –40°C to +85°C (wide-range specifications) Item Symbol Min. Max. Unit Test Conditions CS delay time 2 t CSD3 15 ns CS delay time 3 t CSD4 15 ns Figures 30.19 to 30.28 Read data access time 1 t AC1 1.0 × t cyc – 20 ns Read data access time 3 t AC3 2.0 × t cyc – 20 ns Read data access time 7 t AC7 4.0 × t cyc – 20 ns Read data access time 8 t AC8 3.0 × t cyc – 20 ns Write data hold time 2 t WDH2 1.0 × t cyc – 8 ns Read command setup time 1 t RCS1 1.5 × t cyc – 10 ns Read command setup time 2 t RCS2 2.0 × t cyc – 10 ns Read command hold time t RCH 0.5 × t cyc – 10 ns Write command setup time 1 t WCS1 0.5 × t cyc – 10 ns Write command setup time 2 t WCS2 1.0 × t cyc – 10 ns Write command hold time 1 t WCH1 0.5 × t cyc – 10 ns Write command hold time 2 t WCH2 1.0 × t cyc – 10 ns CAS delay time 1 t CASD1 15 ns CAS delay time 2 t CASD2 15 ns CAS setup time 1 t CSR1 0.5 × t cyc – 10 ns CAS setup time 2 t CSR2 1.5 × t cyc – 10 ns CAS pulse width 1 t CASW1 1.0 × t cyc – 15 ns CAS pulse width 2 t CASW2 1.5 × t cyc – 15 ns CAS precharge time 1 t CPW1 1.0 × t cyc – 15 ns CAS precharge time 2 t CPW2 1.5 × t cyc – 15 ns OE delay time 1 t OED1 15 ns OE delay time 2 t OED2 15 ns Precharge time 1 t PCH1 1.0 × t cyc – 20 ns Precharge time 2 t PCH2 1.5 × t cyc – 20 ns |
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