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CF5021AD-2 Datasheet(PDF) 8 Page - Nippon Precision Circuits Inc |
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CF5021AD-2 Datasheet(HTML) 8 Page - Nippon Precision Circuits Inc |
8 / 12 page SM5021 series SEIKO NPC CORPORATION —8 TTL Output Version 5V operation: BA, BB, BC, BD, LD series VDD = 4.5 to 5.5V, VSS = 0V, Ta = − 20 to + 80°C unless otherwise noted. Current consumption and Output waveform with NPC’s standard crystal FUNCTIONAL DESCRIPTION Standby Function When INHN goes LOW, the oscillator output on Q goes high impedance. Parameter Symbol Condition Rating Unit min typ max Output rise time tr2 Measurement cct 6, load cct 2, 0.4V to 2.4V, CL = 15pF – 2.5 7 ns Output fall time tf2 Measurement cct 6, load cct 2, 2.4V to 0.4V, CL = 15pF – 2.5 7 ns Output duty cycle*1 *1. The duty cycle characteristic is checked the sample chips of each production lot. Duty Measurement cct 6, load cct 2, VDD = 5V, Ta = 25°C, CL = 15pF, f ≤ 70MHz 45–55 % Output disable delay time tPLZ Measurement cct 6, load cct 2, VDD = 5V, Ta = 25°C, CL = 15pF – – 100 ns Output enable delay time tPZL – – 100 ns INHN Q Oscillator HIGH (or open) fO Normal operation LOW High impedance Normal operation f [MHz] R [ Ω] L [mH] Ca [fF] Cb [pF] 30 18.62 16.24 1.733 5.337 40 20.53 11.34 1.396 3.989 50 22.17 7.40 1.370 4.105 60 22.20 5.05 1.388 4.226 70 25.42 4.18 1.254 5.170 L Ca R Cb |
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