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CF5015BL3-2 Datasheet(PDF) 7 Page - Nippon Precision Circuits Inc |
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CF5015BL3-2 Datasheet(HTML) 7 Page - Nippon Precision Circuits Inc |
7 / 10 page CF5015 series SEIKO NPC CORPORATION —7 5V operation (CF5015BL ×) VDD = 4.5 to 5.5V, VSS = 0V, Ta = −40 to +85°C unless otherwise noted. Current consumption and Output waveform with NPC’s standard crystal FUNCTIONAL DESCRIPTION Standby Function When INHN goes LOW, the oscillator stops and the oscillator output on Q becomes high impedance. Power-saving Pull-up Resistor The INHN pull-up resistance changes in response to the input level (HIGH or LOW). When INHN goes LOW (standby state), the pull-up resistance becomes large to reduce the current consumption during standby. Parameter Symbol Condition Rating Unit min typ max Output rise time tr1 Measurement cct 3, load cct 1, 0.1VDD to 0.9VDD CL = 15pF – 1.7 3.4 ns tr2 CL = 30pF – 3 6 Output fall time tf1 Measurement cct 3, load cct 1, 0.9VDD to 0.1VDD CL = 15pF – 1.7 3.4 ns tf2 CL = 30pF – 3 6 Output duty cycle*1 *1. The duty cycle characteristic is checked the sample chips of each production lot. Duty1 Measurement cct 3, load cct 1, VDD = 5.0V, Ta = 25°C CL = 30pF f = 60MHz 45–55 % Output disable delay time*2 *2. Oscillator stop function is built-in. When INHN goes LOW, normal output stops. When INHN goes HIGH, normal output is not resumed until after the oscillator start-up time has elapsed. tPLZ Measurement cct 6, load cct 1, VDD = 5.0V, Ta = 25°C, CL = 15pF – – 100 ns Output enable delay time*2 tPZL – – 100 ns * The 60MHz crystal parameter is confidential. INHN Q Oscillator HIGH (or open) Any fO, fO/2, fO/4, fO/8 or fO/16 output frequency Normal operation LOW High impedance Stopped f [MHz] R [ Ω] L [mH] Ca [fF] Cb [pF] 50 16.12 6.88 1.48 1.18 60* −−−− L Ca R Cb |
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