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M306V2EEFS датащи(PDF) 254 Page - Renesas Technology Corp |
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M306V2EEFS датащи(HTML) 254 Page - Renesas Technology Corp |
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254 / 271 page ![]() Rev.1.40 Oct 06, 2004 page 254 of 269 M306V2ME-XXXFP, M306V2EEFP (Note) (Note) (Note) 40 30 0 0 40 0 Note: Calculated according to the BCLK frequency as follows: 40 Min. Data input setup time ns tsu(DB-RD) tsu(RDY-BCLK ) Parameter Symbol Unit Max. Standard ns RDY input setup time Data input hold time ns th(RD-DB) th(BCLK -RDY) ns RDY input hold time ns HOLD input setup time tsu(HOLD-BCLK ) ns HOLD input hold time th(BCLK-HOLD ) Data input access time (no wait) ns tac1(RD-DB) ns ns tac2(RD-DB) tac3(RD-DB) Data input access time (with wait) Data input access time (when accessing multiplex bus area) ns td(BCLK-HLDA ) HLDA output delay time tac1(RD – DB) = f(BCLK) ✕ 2 – 45 10 9 [ns] tac2(RD – DB) = f(BCLK) ✕ 2 – 45 3 ✕ 10 9 [ns] tac3(RD – DB) = f(BCLK) ✕ 2 – 45 3 ✕ 10 9 [ns] Table 5.7.2 Memory expansion and microprocessor modes (referenced to VCC = 5 V, VSS = 0 V at Ta = 25 oC unless otherwise specified) Table 5.7.1 External clock input (referenced to VCC = 5 V, VSS = 0 V at Ta = 25 oC unless otherwise specified) Max. Min. External clock input cycle time External clock input HIGH pulse width External clock input LOW pulse width ns ns ns tc tw(H) tw(L) Parameter Symbol Unit Standard 100 40 40 tr tf External clock rise time External clock fall time 15 15 ns ns 5.7 Timing Requirements |
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