Fujitsu MB15E07SL manual Phase Comparator Output Waveform

Page 14

MB15E07SL

■PHASE COMPARATOR OUTPUT WAVEFORM

tWU

tWL

[FC = “H”]

[FC = “L”]

Notes : • Phase error detection range: –2πto +2π

•Pulses on Do signal during locked state are output to prevent dead zone.

•LD output becomes low when phase is tWU or more. LD output becomes high when phase error is tWL or less and continues to be so for three cycles or more.

•tWU and tWL depend on OSCIN input frequency.

tWU > 2/fosc (s) (e. g. tWU > 156.3 ns, fosc = 12.8 MHz) tWU < 4/fosc (s) (e. g. tWL < 312.5 ns, fosc = 12.8 MHz)

•LD becomes high during the power saving mode (PS = “L”).

Image 14

Contents Packages FeaturesDescription Pin plastic Ssop Pad plastic BCC FPT-16P-M05 LCC-16P-M06FPT-16P-M05LCC-16P-M06 PIN AssignmentsPin Ssop Pad BCC Name PIN DescriptionsPin no Descriptions Block Diagram SW FC LDSAbsolute Maximum Ratings Parameter Symbol Condition Rating Unit Remark MinParameter Symbol Value Unit Remark Min Recommended Operating ConditionsElectrical Characteristics Parameter Symbol Condition Value Unit Min TypVp/2 Vp − 0.5 V Vp Charge Pump Output Voltage Pulse Swallow Function Shift Register Configuration Programmable Reference CounterFunctional Description Serial Data Input16383 Binary 7-bit Swallow Counter Data Setting Divide ratio aProgrammable Counter 2047LD/fOUT output signal PS Pin Setting PS pin Status Power Saving Mode Intermittent Mode Control CircuitZC Pin Setting ZC pin Do output Normal output Do Output ControlOFF Serial Data Input Timing Parameter Min Typ Max UnitPhase Comparator Output Waveform Measurment Circuit for Measuring Input Sensitivity fin/OSCIN Typical Characteristics Fin input sensitivityOscin input sensitivity MA mode Do output currentFin input impedance Oscin input impedancePLL Reference Leakage PLL Phase NoiseReference Information 500.0 ∝s/div Application Example Part number Package Remarks Usage PrecautionsOrdering Information 16-pin, Plastic Ssop FPT-16P-M05Pin plastic Ssop FPT-16P-M05 Package DimensionsFujitsu Limited F16013S-c-4-6 Dimensions in mm inches Pad plastic BCC LCC-16P-M06 Index AreaFujitsu Limited F0306