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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments
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- | - | - | - | Surface Mount | - | -40°C ~ 85°C | - | - | - | 36-WQFN (6x6) | PLL Frequency Synthesizer | 3V | |
Texas Instruments
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- | - | - | - | Surface Mount | - | -40°C ~ 85°C | - | - | - | 36-WQFN (6x6) | PLL Frequency Synthesizer | 3V | |
Texas Instruments
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- | - | - | - | Surface Mount | - | -40°C ~ 85°C | - | - | - | 36-WQFN (6x6) | PLL Frequency Synthesizer | 3V | |
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Renesas
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
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No/Yes | Yes/No | 1.2GHz | LVCMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 1:1 | 24-VQFN (4x4) | Clock Generator | 3V ~ 3.6V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 4.2V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 3V ~ 3.8V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 3V ~ 3.8V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 4.2V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 4.2V ~ 5.5V | |
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Microchip Technology
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Yes/Yes | No/No | 2GHz | LVECL, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVECL, LVPECL | No | 1:2 | 8-SOIC | Phase Frequency Detector | 3V ~ 3.6V | |
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Microchip Technology
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Yes/Yes | No/No | 2GHz | LVECL, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVECL, LVPECL | No | 1:2 | 8-SOIC | Phase Frequency Detector | 3V ~ 3.6V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 4.2V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 4.2V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | 0°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 4.2V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, LVECL, LVPECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:4 | 20-SOIC | Clock Generator | 3V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, LVECL, LVPECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:4 | 20-SOIC | Clock Generator | 3V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 3V ~ 3.8V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 3V ~ 3.8V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 4.75V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | - | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:3 | 16-SOIC | Clock Generator | 4.75V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 3V ~ 3.8V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 3V ~ 3.8V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 4.75V ~ 5.5V | |
Microchip Technology
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Yes/Yes | Yes/No | 1GHz | ECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:5 | 20-SOIC | Clock Generator | 4.75V ~ 5.5V | |
Microchip Technology
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Yes/Yes | No/No | 10.7GHz | CML, PECL | Surface Mount | 1 | -40°C ~ 85°C | CML | No | 2:1 | 16-MLF® (3x3) | Clock/Frequency Synthesizer | 2.375V ~ 3.6V | |
Microchip Technology
|
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Yes/Yes | Yes/No | 1.12GHz | PECL, TTL | Surface Mount | 1 | 0°C ~ 85°C | PECL | Yes | 1:2 | 28-PLCC (11.48x11.48) | Phase Lock Loop (PLL) | 3.135V ~ 5.25V | |
Microchip Technology
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Yes/Yes | Yes/No | 1.12GHz | PECL, TTL | Surface Mount | 1 | 0°C ~ 85°C | PECL | Yes | 1:2 | 28-PLCC (11.48x11.48) | Phase Lock Loop (PLL) | 3.135V ~ 5.25V | |
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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No/Yes | Yes/No | 622.08MHz | TTL | Surface Mount | 1 | -40°C ~ 85°C | PECL, TTL | No | 1:2 | 28-PLCC (11.48x11.48) | Clock/Frequency Synthesizer | 4.75V ~ 5.25V | |
Microchip Technology
|
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No/Yes | Yes/No | 622.08MHz | TTL | Surface Mount | 1 | -40°C ~ 85°C | PECL, TTL | No | 1:2 | 28-PLCC (11.48x11.48) | Clock/Frequency Synthesizer | 4.75V ~ 5.25V | |
Microchip Technology
|
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No/Yes | Yes/No | 800MHz | PECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | PECL | Yes | 1:1 | 28-SOIC | Frequency Synthesizer | 3.135V ~ 5.25V | |
Microchip Technology
|
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No/Yes | Yes/No | 800MHz | PECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | PECL | Yes | 1:1 | 28-SOIC | Frequency Synthesizer | 3.135V ~ 5.25V | |
Microchip Technology
|
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No/Yes | Yes/No | 800MHz | Crystal | Surface Mount | 1 | 0°C ~ 75°C | PECL | Yes | 1:1 | 28-PLCC (11.48x11.48) | Frequency Synthesizer | 3.135V ~ 5.25V | |
Microchip Technology
|
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No/Yes | Yes/No | 800MHz | Crystal | Surface Mount | 1 | 0°C ~ 75°C | PECL | Yes | 1:1 | 28-PLCC (11.48x11.48) | Frequency Synthesizer | 3.135V ~ 5.25V | |
Microchip Technology
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No/Yes | Yes/No | 800MHz | Crystal | Surface Mount | 1 | 0°C ~ 75°C | PECL | Yes | 1:1 | 28-SOIC | Frequency Synthesizer | 3.135V ~ 5.25V | |
|
Infineon Technologies
|
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No/No | Yes/Yes | 150MHz | LVCMOS, LVTTL | Surface Mount | 1 | -40°C ~ 85°C | LVTTL | Yes | 1:8 | 32-PLCC (11.43x13.97) | Fanout Buffer (Distribution), Zero Delay Buffer | 2.97V ~ 3.63V | |
|
Infineon Technologies
|
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No/No | Yes/Yes | 150MHz | LVCMOS, LVTTL | Surface Mount | 1 | -40°C ~ 85°C | LVTTL | Yes | 1:8 | 32-PLCC (11.43x13.97) | Fanout Buffer (Distribution), Zero Delay Buffer | 2.97V ~ 3.63V | |
Silicon Labs
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No/Yes | Yes/No | 1.8GHz | Crystal | Surface Mount | 1 | -20°C ~ 85°C | Clock | Yes | 1:2 | 28-QFN (5x5) | Frequency Synthesizer | 2.7V ~ 3V | |
|
Silicon Labs
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No/Yes | Yes/No | 1.99GHz | Clock | Surface Mount | 1 | -20°C ~ 85°C | Clock | Yes | 1:2 | 32-MLP (5x5) | Frequency Synthesizer | 2.7V ~ 3V | |
|
Silicon Labs
|
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No/Yes | Yes/No | 1.99GHz | Clock | Surface Mount | 1 | -20°C ~ 85°C | Clock | Yes | 1:2 | 32-MLP (5x5) | Frequency Synthesizer | 2.7V ~ 3V | |
Skyworks Solutions
|
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No/No | Yes/No | 1.8GHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:2 | 24-TSSOP | Frequency Synthesizer | 2.7V ~ 3.6V | |
Infineon Technologies
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Skyworks Solutions
|
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No/No | Yes/No | 1.99GHz | Clock | Surface Mount | 1 | -20°C ~ 70°C | Clock | Yes | 1:1 | 28-QFN (5x5) | Frequency Synthesizer | 2.7V ~ 2.9V | |
Diodes Incorporated
|
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No/No | Yes/Yes | 200MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes | 1:1 | 8-SOIC | PLL Clock Multiplier | 3V ~ 5.5V | |
Diodes Incorporated
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No/No | Yes/Yes | 200MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 1:2 | 8-SOIC | PLL Clock Multiplier | 3V ~ 5.5V | |
Diodes Incorporated
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No/No | No/No | 27MHz | CMOS | Surface Mount | 1 | -40°C ~ 85°C | CMOS | No | 1:2 | SOT-23-6 | Clock Synchronizer | 3V ~ 3.6V | |
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 66.6MHz | Clock | Surface Mount | 1 | -40°C ~ 125°C | Clock | No | 1:1 | 8-uMAX/uSOP | Spread Spectrum Clock Generator | 3V ~ 3.6V | |
On Semiconductor
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Yes/Yes | Yes/No | 1.1GHz | NECL, PECL | Surface Mount | 1 | -40°C ~ 85°C | ECL | No | 1:3 | 16-SOIC | Clock Generator | 4.2V ~ 5.7V | |
|
Renesas
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- | - | - | - | Surface Mount | - | - | - | - | - | 48-PTQFP (7x7) | - | - |
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