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CF5034BA-1 Datasheet(PDF) 5 Page - Nippon Precision Circuits Inc |
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CF5034BA-1 Datasheet(HTML) 5 Page - Nippon Precision Circuits Inc |
5 / 6 page CF5034 series NIPPON PRECISION CIRCUITS INC.—5 FUNCTIONAL DESCRIPTION Standby Function When OE goes LOW, the oscillator stops and the output pins (OUT, OUTN) become high impedance. Power-saving Pull-up Resistor The OE pin pull-up resistance changes in value in response to the input level (HIGH or LOW). When OE is LOW (standby state), the pull-up resistance increases, thereby decreasing the current consump- tion. MEASUREMENT CIRCUITS Measurement Circuit 1 Measurement Circuit 2 Measurement Circuit 3 Measurement Circuit 4 OE OUT, OUTN Oscillator HIGH (or open) Either fO or fO/2 Normal operation LOW High impedance Stopped XIN input signal 500mVp-p, sine wave C1: 0.001µF R1: 50 Ω VT: VCC − 2V VOE: VCC, VIH, VIL Signal Generator VCC R1 C1 XIN OE VCC2 OUT GND OUTN VOE R1 R1 VT A IEE1, IEE2 0.7VCC A A A VCC OE VCC2 OUT GND OUTN R1: 50 Ω, VT: VCC − 2V R1: 50 Ω, VT: VCC − 2V XOUT = HIGH: OUT pin is fixed HIGH (VOH). OUTN pin is fixed LOW (VOL). XOUT = LOW: OUT pin is fixed LOW (VOL). OUTN pin is fixed HIGH (VOH). VCC XIN XOUT VCC2 OUT GND OUTN R1 R1 VT VCC XIN XOUT VCC2 OUT GND OUTN R1 R1 VT TEST |
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