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Partno Mfg Dc Qty AvailableDescript
MM74HC4046FSCN/a40avaiCMOS Phase-Locked Loop
MM74HC4046MNSN/a100avaiCMOS Phase-Locked Loop
MM74HC4046MTCFAIRCHILN/a104avaiCMOS Phase-Locked Loop
MM74HC4046MXFAIN/a219avaiCMOS Phase-Locked Loop
MM74HC4046MXAIRN/a4352avaiCMOS Phase-Locked Loop
MM74HC4046MXFAIRCHILD 仙童N/a26avaiCMOS Phase-Locked Loop
MM74HC4046MXNSN/a1609avaiCMOS Phase-Locked Loop
MM74HC4046NNSN/a7avaiCMOS Phase-Locked Loop


MM74HC4046MX ,CMOS Phase-Locked LoopFeaturesmore susceptible to locking onto harmonics of the input fre-quency than phase comparator I, ..
MM74HC4046MX ,CMOS Phase-Locked LoopGeneral Descriptioning the loop out of lock, but is less likely to lock onto har-The MM74HC4046 is ..
MM74HC4046MX ,CMOS Phase-Locked LoopGeneral Descriptioning the loop out of lock, but is less likely to lock onto har-The MM74HC4046 is ..
MM74HC4046MX ,CMOS Phase-Locked LoopMM74HC4046 CMOS Phase Lock LoopFebruary 1984Revised October 2003MM74HC4046CMOS Phase Lock Loopthem. ..
MM74HC4046N ,CMOS Phase-Locked LoopFeaturesmore susceptible to locking onto harmonics of the input fre-quency than phase comparator I, ..
MM74HC4049M ,Hex Inverting Logic Level Down ConverterMM74HC4049 • MM74HC4050 Hex Inverting Logic Level Down Converter • Hex Logic Level Down ConverterFe ..
MN65543S ,Low Power 8-Bit CMOS A/D Converter for Image ProcessingA/D, D/C Converters for Image Signal ProcessingMN65543SLow Power 8-Bit CMOS A/D Converter for Image ..
MN65543S ,Low Power 8-Bit CMOS A/D Converter for Image ProcessingPin DescriptionsPin No. Symbol Function Description1 NOE Output enable2DV Ground for digital circui ..
MN6557AS ,Low-Power-Consumption CMOS 10-Bit D/A Converters for Image ProcessingA/D, D/C Converters for Image Signal ProcessingMN6557A, MN6557ASLow-Power-Consumption CMOS 10-Bit ..
MN657011H ,Low Power 8-Bit, 3-Channel CMOS D/A Converter for Image ProcessingBlock DiagramRREFCCOMP+ Current40NTSC –Source5CLKDAC16(MSB)DY115DY2R14 OUTDY31325 IDY4 OY12DY511DY6 ..
MN657021F ,Low Power 8-Bit, 3-Channel CMOS D/A Converter for Image ProcessingBlock Diagram+ +Current CurrentSource Source – –44CLKSelector5SYNC4(MSB) DY13DY22DY31DY418I48 OYDY ..
MN65703T ,Microcomputers Application-Specific Standard-Product ICsBlock Diagram+ +Current Current Source Source– –44CLK5SYNC8TEST4DY13DY22DY31+DY4 18Y48 OUTDY5–47DY6 ..


MM74HC4046-MM74HC4046M-MM74HC4046MTC-MM74HC4046MX-MM74HC4046N
CMOS Phase-Locked Loop
MM74HC4046 CMOS Phase Lock Loop February 1984 Revised October 2003 MM74HC4046 CMOS Phase Lock Loop them. This comparator is more susceptible to noise throw- General Description ing the loop out of lock, but is less likely to lock onto har- The MM74HC4046 is a low power phase lock loop utilizing monics than the other two comparators. advanced silicon-gate CMOS technology to obtain high fre- In a typical application any one of the three comparators quency operation both in the phase comparator and VCO feed an external filter network which in turn feeds the VCO sections. This device contains a low power linear voltage input. This input is a very high impedance CMOS input controlled oscillator (VCO), a source follower, and three which also drives the source follower. The VCO’s operating phase comparators. The three phase comparators have a frequency is set by three external components connected common signal input and a common comparator input. The to the C1A, C1B, R1 and R2 pins. An inhibit pin is provided signal input has a self biasing amplifier allowing signals to to disable the VCO and the source follower, providing a be either capacitively coupled to the phase comparators method of putting the IC in a low power state. with a small signal or directly coupled with standard input The source follower is a MOS transistor whose gate is con- logic levels. This device is similar to the CD4046 except nected to the VCO input and whose drain connects the that the Zener diode of the metal gate CMOS device has Demodulator output. This output normally is used by tying been replaced with a third phase comparator. a resistor from pin 10 to ground, and provides a means of Phase Comparator I is an exclusive OR (XOR) gate. It pro- looking at the VCO input without loading down modifying vides a digital error signal that maintains a 90 phase shift the characteristics of the PLL filter. between the VCO’s center frequency and the input signal (50% duty cycle input waveforms). This phase detector is Features more susceptible to locking onto harmonics of the input fre- quency than phase comparator I, but provides better noiseLow dynamic power consumption: (V = 4.5V) CC rejection. Maximum VCO operating frequency: Phase comparator III is an SR flip-flop gate. It can be used 12 MHz (V = 4.5V) CC to provide the phase comparator functions and is similar to Fast comparator response time (V = 4.5V) CC the first comparator in performance. Comparator I: 25 ns Phase comparator II is an edge sensitive digital sequential network. Two signal outputs are provided, a comparator Comparator II: 30 ns output and a phase pulse output. The comparator output is Comparator III: 25 ns a 3-STATE output that provides a signal that locks the VCO VCO has high linearity and high temperature stability output signal to the input signal with 0 phase shift between Ordering Code: Order Number Package Number Package Description MM74HC4046M M16A 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow MM74HC4046SJ M16D 16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide MM74HC4046MTC MTC16 16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide MM74HC4046N N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. © 2003 DS005352
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