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MC12439 Folha de dados(PDF) 6 Page - Motorola, Inc |
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MC12439 Folha de dados(HTML) 6 Page - Motorola, Inc |
6 / 11 page MC12439 MOTOROLA TIMING SOLUTIONS BR1333 — Rev 6 6 AC CHARACTERISTICS (TA = 0 to 70°C; VCC = 3.3 to 5.0V ±5%) Symbol Characteristic Min Max Unit Condition FMAXI Maximum Input Frequency S_CLOCK Xtal Oscillator FREF_EXT 10 10 10 20 Note 5. MHz FMAXO Maximum Output Frequency VCO (Internal) FOUT 400 50 900 800 MHz tLOCK Maximum PLL Lock Time 1 10 ms tjitter Cycle–to–Cycle Jitter (Peak–to–Peak) (Note 6.) ±25 ±65 ps N = 2,4,8; Note 7. N = 1; Note 7. ts Setup Time S_DATA to S_CLOCK S_CLOCK to S_LOAD M, N to P_LOAD 20 20 20 ns th Hold Time S_DATA to S_CLOCK M, N to P_LOAD 20 20 ns tpwMIN Minimum Pulse Width S_LOAD P_LOAD 50 50 ns Note 7. tr, tf Output Rise/Fall Time 300 800 ps Note 7. 5. Maximum frequency on FREF_EXT is a function of the internal M counter limitations. The phase detector can handle up to 100MHz on the input, but the M counter must remain in the valid range of 25 ≤ M ≤ 50. See the programming section in this data sheet for more details. 6. See Applications Information section for additional information. 7. 50 Ω to VCC – 2.0V pulldown. |
Nº de peça semelhante - MC12439 |
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Descrição semelhante - MC12439 |
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