What are Clock Generators, PLLs, Frequency Synthesizers ?
Clock Generators, PLLs, Frequency Synthesizers are integrated circuits that generate clock signals to synchronize operations in electronic devices. They are commonly used in applications like wireless communication, RF signal processing, and electronic assembly. Important specifications for selection include Frequency, which determines the operational speed; Input, which affects compatibility with existing systems; and Output, which ensures proper signal integrity. Sourcing teams should validate lifecycle status and consider alternate-source options to mitigate supply chain risks.
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| Part & Mfr | Differential | Divider | Frequency | Input | Mounting Type | Number of Circuits | Operating Temperature | Output | PLL | Ratio | Supplier Device Package | Type | Voltage | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Renesas
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No/No | No/Yes | 108MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:8 | 28-QSOP | Clock/Frequency Synthesizer | 3.15V ~ 3.45V | |
Renesas
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No/No | No/Yes | 32MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 85°C | LVCMOS | Yes | 1:1 | 8-SOIC | Clock Generator | 3V ~ 3.63V | |
Renesas
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No/No | No/Yes | 128MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 85°C | LVCMOS | Yes | 1:1 | 8-SOIC | Clock Generator | 3V ~ 3.63V | |
Renesas
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No/No | No/No | 28MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 3.135V ~ 5.5V | |
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Skyworks Solutions
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Renesas
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No/No | No/No | 28MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 3.135V ~ 5.5V | |
Renesas
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No/No | No/No | 48MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 3.135V ~ 5.5V | |
Renesas
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No/No | No/No | 75MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 3.135V ~ 5.5V | |
Renesas
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No/No | No/Yes | 200MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes with Bypass | 1:2 | 8-SOIC | Clock Generator | 3V ~ 5.5V | |
Renesas
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No/No | No/Yes | 67MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 3V ~ 3.6V | |
Renesas
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No/No | No/Yes | 27MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 2:1 | 8-SOIC | Voltage Controlled Crystal Oscillator (VCXO) | 3.15V ~ 3.45V | |
Renesas
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No/No | Yes/Yes | 168MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:2 | 8-SOIC | Clock Multiplier, Zero Delay Buffer | 3.15V ~ 5.5V | |
Renesas
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No/No | No/Yes | 36MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 2:1 | 8-SOIC | Voltage Controlled Crystal Oscillator (VCXO) | 3.15V ~ 3.45V | |
Renesas
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No/No | Yes/No | 270MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes | 2:3 | 16-TSSOP | Clock Generator | 3V ~ 3.6V | |
Renesas
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No/No | Yes/No | 180MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes with Bypass | 2:2 | 16-SOIC | Clock Generator | 3V ~ 5.5V | |
Renesas
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No/No | Yes/No | 200MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes with Bypass | 2:2 | 16-SOIC | Clock Generator | 3V ~ 5.5V | |
Renesas
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No/No | No/Yes | 160MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 1:2 | 8-SOIC | Clock Generator | 3V ~ 5.5V | |
Renesas
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No/No | Yes/No | 160MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes with Bypass | 1:2 | 28-QSOP | Clock Generator, Fanout Distribution | 3V ~ 5.5V | |
Renesas
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No/No | Yes/Yes | 133.3MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVTTL | Yes with Bypass | 1:8 | 16-SOIC | Multiplier, Zero Delay Buffer | 3V ~ 3.6V | |
Renesas
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No/No | Yes/No | 133.33MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:7 | 20-QSOP | Clock/Frequency Synthesizer | 3V ~ 3.6V | |
Renesas
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No/No | No/No | 133.3MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVTTL | Yes with Bypass | 1:8 | 16-SOIC | Multiplier, Zero Delay Buffer | 3V ~ 3.6V | |
Renesas
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No/No | No/No | 25MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes | 1:3 | 8-SOIC | Clock/Frequency Synthesizer | 3V ~ 3.6V | |
Renesas
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No/No | No/Yes | 133.3MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVTTL | Yes with Bypass | 1:8 | 16-SOIC | Multiplier, Zero Delay Buffer | 3V ~ 3.6V | |
Renesas
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No/No | Yes/Yes | 133.3MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVTTL | Yes with Bypass | 1:8 | 16-SOIC | Multiplier, Zero Delay Buffer | 3V ~ 3.6V | |
Renesas
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No/No | No/Yes | 167MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Clock Generator | 3V ~ 5.5V | |
Renesas
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No/No | No/No | 28MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | No | 2:1 | 8-SOIC | Voltage Controlled Crystal Oscillator (VCXO) | 3.15V ~ 3.45V | |
Renesas
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No/No | Yes/Yes | 37.5MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 1:2 | 8-SOIC | PLL Clock Multiplier | 4.75V ~ 5.25V | |
Microchip Technology
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- | - | 333.33MHz | LVPECL | Surface Mount | 1 | 0°C ~ 85°C | LVPECL | Yes | 2:9 | 56-TQFN (8x8) | Frequency Synthesizer | 3V | |
Microchip Technology
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- | - | 333.33MHz | LVPECL | Surface Mount | 1 | 0°C ~ 85°C | LVPECL | Yes | 2:9 | 56-TQFN (8x8) | Frequency Synthesizer | 3V | |
Texas Instruments
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No/Yes | Yes/No | 1.94GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:1 | 40-VQFN (6x6) | Integer-N Synthesizer/VCO | 4.5V ~ 5.25V | |
Crystek Corporation
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- | - | 2.2GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | - | 0606 | Clock/Frequency Synthesizer (RF) | 11.4V ~ 12.6V | |
On Semiconductor
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- | No/No | 13MHz | CMOS | Surface Mount | - | -55°C ~ 125°C | CMOS | Yes | 1:4 | 16-SOIC | Phase Lock Loop (PLL) | 3V ~ 6V | |
Renesas
|
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No/No | Yes/No | 1MHz | Clock, Crystal | Through Hole | 1 | -40°C ~ 85°C | Clock | No | 2:1 | 16-PDIP | Bit Rate Generator | 4.5V ~ 5.5V | |
Renesas
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No/No | Yes/No | 25MHz | TTL | Surface Mount | 1 | 0°C ~ 70°C | TTL | No | 1:3 | 20-PLCC (9x9) | Clock Generator, Clock Synchronizer, Fanout Distribution | 4.5V ~ 5.5V | |
Infineon Technologies
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No/No | Yes/No | 150MHz, 166.6MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 1:6 | 16-TSSOP | Clock Generator, Fanout Distribution | 2.5V, 3.3V | |
Infineon Technologies
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No/No | Yes/No | 166.6MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:6 | 16-TSSOP | Clock Generator, Fanout Distribution | 2.375V ~ 3.465V | |
Infineon Technologies
|
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No/No | Yes/No | 166.6MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:6 | 16-TSSOP | Clock Generator, Fanout Distribution | 2.375V ~ 3.465V | |
Infineon Technologies
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No/No | Yes/Yes | 166MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:3 | 8-SOIC | Clock Generator, Fanout Distribution | 3.14V ~ 3.47V | |
|
Skyworks Solutions
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Infineon Technologies
|
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No/No | Yes/Yes | 166MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:3 | 8-SOIC | Clock Generator, Fanout Distribution | 3.14V ~ 3.47V | |
On Semiconductor
|
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No/Yes | Yes/No | 120MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:1 | 8-TSSOP | Clock Generator | 3.135V ~ 3.465V | |
On Semiconductor
|
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No/Yes | Yes/No | 120MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:1 | 8-TSSOP | Clock Generator | 3.135V ~ 3.465V | |
On Semiconductor
|
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No/Yes | Yes/No | 216MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | M-LVDS | Yes | 1:1 | 16-TSSOP | Clock Generator | 3.135V ~ 3.465V | |
On Semiconductor
|
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Yes/Yes | No/No | 425MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:1 | 24-QFN (4x4) | Clock/Frequency Synthesizer | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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Yes/No | No/Yes | 4GHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 125°C | Clock | Yes | 2:1 | 20-LFCSP-VQ (4x3.75) | Fractional N Synthesizer (RF) | 2.7V ~ 3.3V | |
Microchip Technology
|
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Yes/Yes | Yes/No | 3.2GHz | CML, LVDS, PECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS | No | 1:1 | 16-QFN (3x3) | Clock Divider | 2.375V ~ 2.625V | |
Microchip Technology
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Yes/Yes | Yes/No | 1.12GHz | PECL | - | 1 | 0°C ~ 85°C | PECL | Yes | 2:2 | - | Phase Lock Loop (PLL) | 3.135V ~ 5.25V | |
Microchip Technology
|
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Yes/Yes | Yes/No | 756MHz | CMOS, HSTL, LVDS, LVPECL, LVTTL, SSTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 3:7 | 64-TQFP-EP (10x10) | Clock Synthesizer/Fanout Buffer | 2.375V ~ 3.6V | |
Infineon Technologies
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No/No | Yes/Yes | 100MHz, 133MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS, TTL | Yes | 1:1 | 8-TSSOP | Clock Generator | 3.3V, 5V | |
|
Infineon Technologies
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- | - | 80MHz | - | Surface Mount | - | - | - | - | - | 16-SOIC | PLL Clock Generator | 3V ~ 3.6V |
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