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R2043T Datasheet(PDF) 6 Page - RICOH electronics devices division |
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R2043T Datasheet(HTML) 6 Page - RICOH electronics devices division |
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6 / 48 page  R2043K/T 12345 Rev.2.06 - 6 - AC ELECTRICAL CHARACTERISTICS Unless otherwise specified: VSS=0V,Topt=-40 to +85 °C Input and Output Conditions: VIH=0.8 ×VDD,VIL=0.2×VDD,VOH=0.8×VDD,VOL=0.2×VDD,CL=50pF VDD ≥1.7V Symbol Item Condi- tions Min. Typ. Max. Unit tCES CE Set-up Time 400 ns tCEH CE Hold Time 400 ns tCR CE Recovery Time 62 µs fSCLK SCLK Clock Frequency 1.0 MHz tCKH SCLK Clock High Time 400 ns tCKL SCLK Clock Low Time 400 ns tCKS SCLK Set-up Time 200 ns tRD Data Output Delay Time 300 ns tRZ Data Output Floating Time 300 ns tCEZ Data Output Delay Time After Falling of CE 300 ns tDS Input Data Set-up Time 200 ns tDH Input Data Hold Time 200 ns SCLK tCES SI CE tRD tCKL tCEZ tDS tDH tRD tCEH tCKH tCKS tCR tRZ SO *) For reading/writing timing, see “P.28 Adjustment of Oscillation frequency”. |
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