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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Analog Devices / Maxim Integrated
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Yes/No | Yes/No | 3GHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 3:2 | 24-LFCSP-WQ (4x4) | Clock/Frequency Synthesizer (RF/IF), Fractional N, Integer N | 2.7V ~ 3.3V | |
Analog Devices / Maxim Integrated
|
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Yes/No | Yes/Yes | 6.2GHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:1 | 20-LFCSP (4x4) | Fractional N Synthesizer (RF) | 2.7V ~ 3.3V | |
Skyworks Solutions
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- | - | - | - | Surface Mount | - | - | - | - | - | 24-QFN (4x4) | - | - | |
Skyworks Solutions
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Yes/Yes | Yes/No | 200MHz | CMOS, HSTL, SSTL, Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C (TA) | CML, HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL | Yes with Bypass | 1:4 | 24-QFN (4x4) | Clock Generator | 1.71V ~ 1.98V, 2.25V ~ 2.75V, 2.97V ~ 3.63V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 200MHz | CMOS, Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C (TA) | CML, HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL | Yes with Bypass | 1:4 | 24-QFN (4x4) | Clock Generator | 1.71V ~ 3.63V | |
Skyworks Solutions
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No/No | Yes/No | 1.8GHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:3 | 28-QFN (5x5) | Frequency Synthesizer | 2.7V ~ 3.6V | |
Renesas
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Renesas
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Infineon Technologies
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No/No | No/No | 133.33MHz | LVCMOS, LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes with Bypass | 1:9 | 16-TSSOP | Fanout Buffer (Distribution), Zero Delay Buffer | 3V ~ 3.6V | |
Renesas
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Yes/Yes | Yes/No | 1GHz | HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HSCL, LVCMOS, LVDS, LVPECL | Yes with Bypass | 2:2 | 40-VFQFPN (6x6) | Jitter Attenuator | 2.375V ~ 3.465V | |
Renesas
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No/No | Yes/Yes | 200MHz | LVTTL | Surface Mount | 1 | -40°C ~ 85°C | LVTTL | Yes with Bypass | 1:8 | 32-TQFP (7x7) | Buffer/Driver | 2.3V ~ 2.7V | |
Analog Devices / Maxim Integrated
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Yes/Yes | Yes/No | 6GHz | Clock | Surface Mount | 1 | -40°C ~ 105°C | Clock | Yes | 1:1 | 28-QFN (4x5) | - | 3.15V ~ 5.25V | |
Infineon Technologies
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No/Yes | Yes/Yes | 187.5MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:1 | 8-TSSOP | Clock Generator | 2.375V ~ 3.465V | |
Infineon Technologies
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No/Yes | No/Yes | 216MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVDS | Yes | 1:1 | 16-TSSOP | Zero Delay Buffer | 3.15V ~ 3.45V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 350MHz | CMOS, HSTL, SSTL, Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C (TA) | CML, HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL | Yes with Bypass | 1:4 | 24-QFN (4x4) | Clock Generator | 1.71V ~ 1.98V, 2.25V ~ 2.75V, 2.97V ~ 3.63V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 350MHz | CMOS, HSTL, SSTL, Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C (TA) | CML, HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL | Yes with Bypass | 1:4 | 24-QFN (4x4) | Clock Generator | 1.71V ~ 3.63V | |
Skyworks Solutions
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- | - | - | - | Surface Mount | - | - | - | - | - | 24-QFN (4x4) | - | - | |
Renesas
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|
Renesas
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No/Yes | Yes/No | 212.5MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | No | 1:1 | 10-VFQFPN (5x7) | Frequency Synthesizer | 2.375V ~ 3.465V | |
Renesas
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No/No | No/No | 133MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes with Bypass | 1:9 | 16-SOIC | Zero Delay Buffer | 2.97V ~ 5.5V | |
Renesas
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Yes/Yes | Yes/No | 100MHz | HCSL, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVPECL, LVTTL | Yes with Bypass | 2:6 | 32-VFQFPN (5x5) | Frequency Synthesizer | 3V ~ 3.6V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/No | 2.65GHz | CMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:6 | 48-LFCSP-VQ (7x7) | Clock Generator, Fanout Distribution | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/No | 2.25GHz | CMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:6 | 48-LFCSP-VQ (7x7) | Clock Generator, Fanout Distribution | 3.135V ~ 3.465V | |
Infineon Technologies
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No/Yes | Yes/Yes | 312.5MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVPECL | Yes | 1:1 | 8-TSSOP | Clock Generator | 2.375V ~ 3.465V | |
Renesas
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No/No | No/No | 27MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 2:2 | 8-SOIC | PLL Clock Synthesizer | 3.13V ~ 5.5V | |
|
Renesas
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Yes/Yes | Yes/No | 6GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 95°C | LVDS, LVPECL | Yes | 4:19 | 100-CABGA (11x11) | Clock Generator, Jitter Attenuator | 1.7V ~ 1.9V, 3.2V ~ 3.4V | |
Microchip Technology
|
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No/No | No/No | 130MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, TTL | No | 1:1 | SOT-23-6 | Voltage Controlled Crystal Oscillator (VCXO) | 2.25V ~ 3.63V | |
Infineon Technologies
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No/No | Yes/No | 200MHz | CMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:2 | 8-SOIC | Fanout Buffer (Distribution), Spread Spectrum Clock Generator | 3.13V ~ 3.45V | |
Texas Instruments
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No/No | Yes/Yes | 3.23GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 3.15V ~ 3.45V | |
Texas Instruments
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No/No | Yes/Yes | 2.865GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 3.15V ~ 3.45V | |
Texas Instruments
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No/No | Yes/Yes | 3.6GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 3.15V ~ 3.45V | |
Texas Instruments
|
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No/No | Yes/No | 1.7GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 2.8V ~ 3.2V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 200MHz | Clock, Crystal, LVCMOS | Surface Mount | 1 | -40°C ~ 85°C (TA) | HCSL, LVCMOS, LVDS, LVPECL | Yes | 2:6 | 32-QFN (5x5) | Clock Generator | 1.71V ~ 3.63V | |
Cypress Semiconductor
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
|
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, 2VPECL, LVPECL | Yes | 2:7 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
Renesas
|
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Yes/Yes | Yes/No | 1GHz | LVCMOS, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes with Bypass | 3:4 | 40-VFQFPN (6x6) | Frequency Translator | 2.375V ~ 3.465V | |
Skyworks Solutions
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Texas Instruments
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Yes/Yes | Yes/No | 1.536GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -45°C ~ 85°C | LVCMOS, LVDS, LVPECL | Yes | 2:7 | 64-WQFN (9x9) | - | 3.15V ~ 3.45V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/No | 2.95GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVDS, LVPECL | Yes | 1:14 | 64-LFCSP-VQ (9x9) | Clock Generator, Fanout Distribution | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/No | 2.95GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVDS, LVPECL | Yes | 1:14 | 64-LFCSP-VQ (9x9) | Clock Generator, Fanout Distribution | 3.135V ~ 3.465V | |
Renesas
|
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No/Yes | Yes/No | 4.4GHz | LVCMOS | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:2 | 32-VFQFPN (5x5) | - | 3.135V ~ 3.465V | |
Renesas
|
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No/Yes | Yes/No | 4.4GHz | LVCMOS | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:2 | 32-VFQFPN (5x5) | - | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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No/Yes | Yes/No | 4.1GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:2 | 40-QFN (6x6) | - | 3.1V ~ 5.2V | |
Microchip Technology
|
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No/Yes | Yes/No | 125MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVDS | Yes | 1:8 | 44-QFN (7x7) | - | 2.375V ~ 3.465V | |
Renesas
|
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No/Yes | Yes/No | 100MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 1:19 | 64-TSSOP | - | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/No | 3.6GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVPECL | Yes with Bypass | 2:9 | 48-LFCSP (7x7) | Clock Generator | 3.135V ~ 3.465V | |
|
Cypress Semiconductor
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
|
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Yes/Yes | Yes/No | 1GHz | LVCMOS, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes with Bypass | 3:4 | 40-VFQFPN (6x6) | Frequency Translator | 2.375V ~ 3.465V | |
Cirrus Logic Inc.
|
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No/No | Yes/Yes | 75MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:2 | 10-MSOP | Fractional N Synthesizer | 3.1V ~ 3.5V | |
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Renesas
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