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MB90800 Datasheet(PDF) 72 Page - Fujitsu Component Limited. |
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MB90800 Datasheet(HTML) 72 Page - Fujitsu Component Limited. |
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72 / 92 page  MB90800 Series 72 DS07-13733-6E 4. AC Characteristics (1) Clock timing (VCC = AVCC = 3.3 V ± 0.3 V, VSS = AVSS = 0.0 V, TA = − 40 °C to + 85 °C) Parameter Sym bol Pin name Condi- tions Value Unit Remarks Min Typ Max Clock frequency fCH X0, X1 ⎯ 3 ⎯ 16 MHz External crystal oscillation 316 × 1/2 (at PLL stop) At oscillation circuit 416 Multiply by 1 At oscillation circuit 412.5 Multiply by 2 At oscillation circuit 48.33 Multiply by 3 At oscillation circuit 46.25 Multiply by 4 At oscillation circuit X0 325 × 1/2 (at PLL stop) At external clock 425 Multiply by 1 At external clock 412.5 Multiply by 2 At external clock 48.33 Multiply by 3 At external clock 46.25 Multiply by 4 At external clock fCL X0A, X1A ⎯ 32.768 ⎯ kHz Clock cycle time tHCYL X0, X1 40 ⎯ 333 ns tLCYL X0A, X1A ⎯ 30.5 ⎯μs Input clock pulse width PWH PWL X0 5 ⎯⎯ ns Set duty ratio 50 % ± 3% PWLH PWLL X0A ⎯ 15.2 ⎯μs Set duty ratio at 30 % to 70 % as a guideline. Input clock rise time and fall time tcr tcf X0 ⎯⎯ 5 ns At external clock Internal operating clock frequency fCP ⎯ 1.5 ⎯ 25 MHz When main clock is used fCP1 ⎯⎯ 8.192 ⎯ kHz When sub clock is used Internal operating clock cycle time tCP ⎯ 40 ⎯ 666 ns When main clock is used tCP1 ⎯⎯ 122.1 ⎯μs When sub clock is used |
Similar Part No. - MB90800_09 |
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Similar Description - MB90800_09 |
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