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CF5037A1 Datasheet(PDF) 7 Page - Nippon Precision Circuits Inc |
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CF5037A1 Datasheet(HTML) 7 Page - Nippon Precision Circuits Inc |
7 / 10 page CF5037 series SEIKO NPC CORPORATION —7 2.5V operation VCC = 2.375 to 2.625V, GND = 0V, Ta = −40 to +85°C unless otherwise noted. Parameter Symbol Conditions Rating*1 *1. Values in parentheses ( ) are provisional only. Unit Min Typ Max Output duty cycle Duty Measurement cct. 3, measured at 0V differential output (crossing point), Ta = 25 °C, VCC = 2.5V f < 350MHz 45 – 55 % f ≥ 350MHz 40 – 60 % Output swing*2 *2. The said values are measured by using the NPC standard jig. VOpp Measurement cct. 3, Ta = TOPR, differential output waveform peak- to-peak 5037A1: f = 120MHz 0.25 – – V 5037B ×: f = 180MHz 0.25 – – V 5037C ×: f = 250MHz 0.25 – – V 5037D ×: f = 400MHz 0.25 – – V 5037E ×: f = 600MHz (0.25) – – V 5037F ×: f = 700MHz (0.25) – – V Output rise time tr Measurement cct. 3, 20 to 80% differential output swing – 0.3 0.7 ns Output fall time tf Measurement cct. 3, 80 to 20% differential output swing – 0.3 0.7 ns Output enable time*3 *3. The built-in oscillator stop function does not operate with normal output immediately when OE goes HIGH. Instead, normal output occurs after the oscillator startup time has elapsed. tOE Measurement cct. 1, Ta = 25 °C ––2 ms Output disable time tOD Measurement cct. 1, Ta = 25 °C – – 200 ns DUTY = 100tW/tPER (%) @ crossing point ∆VOD = |VOD' − VOD| Timing chart tr tf OUTN OUT 80% Hi-Z tW tPER OE tOE tOD VIH VIL VOD' 20% OE input waveform tr = tf 10ns 0 80% 20% 0 VOD VOpp 0 OUT-OUTN ∆VOS VOS |
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