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/No | 133MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVTTL | Yes with Bypass | 1:9 | 16-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
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Analog Devices / Maxim Integrated
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No/No | Yes/No | - | Clock | Surface Mount | 1 | -20°C ~ 85°C | Clock | No | 1:1 | 8-uMAX/uSOP | Clock Generator | 2.7V ~ 3.6V | |
Skyworks Solutions
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No/No | No/No | 140MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:5 | 8-SOIC | - | 3V ~ 3.6V | |
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Microchip Technology
|
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No/No | No/No | 134MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes with Bypass | 1:5 | 8-SOIC | - | 3V ~ 3.6V | |
Microchip Technology
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No/No | No/No | 134MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes with Bypass | 1:9 | 16-SOIC | - | 3V ~ 3.6V | |
Renesas
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No/No | No/Yes | 140MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes with Bypass | 1:2 | 8-SOIC | Clock Generator, Fanout Distribution | 3V ~ 5.5V | |
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Cypress Semiconductor
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
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No/No | No/No | 133MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | CMOS, LVTTL | Yes with Bypass | 1:9 | 16-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 14.7456MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 2:1 | 8-uMAX/uSOP | Clock Generator | 2.7V ~ 3.6V | |
Texas Instruments
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No/No | No/No | 38MHz | CMOS | Surface Mount | 1 | -55°C ~ 125°C | CMOS | Yes | 1:2 | 16-SOIC | Phase Lock Loop (PLL) | 2V ~ 6V | |
Renesas
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No/No | No/No | 133.3MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | CMOS, LVTTL | Yes with Bypass | 1:8 | 16-SOIC | Clock Multiplier, Zero Delay Buffer | 3V ~ 3.6V | |
Microchip Technology
|
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No/No | No/No | 134MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes with Bypass | 1:9 | 16-TSSOP | - | 3V ~ 3.6V | |
Skyworks Solutions
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- | - | - | - | Surface Mount | - | - | - | - | - | 20-QFN (4x4) | - | - | |
Maxlinear
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No/Yes | Yes/No | 125MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:1 | 8-TSSOP | - | 2.375V ~ 3.465V | |
Renesas
|
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No/No | No/Yes | 67MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 3V ~ 3.6V | |
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Microchip Technology
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No/Yes | Yes/No | 125MHz | LVCMOS | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 1:2 | 24-QFN (4x4) | - | 2.375V ~ 3.465V | |
Renesas
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No/No | No/No | 74.25MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | No | 1:2 | 8-SOIC | Clock Synthesizer - Video | 3V ~ 5.5V | |
Renesas
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No/No | Yes/No | 226.66MHz | Crystal | Surface Mount | 1 | -30°C ~ 85°C | LVCMOS, LVTTL | Yes | 1:1 | 8-TSSOP | Clock/Frequency Synthesizer, Clock Generator, Multiplexer | 3.135V ~ 3.465V | |
Texas Instruments
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No/No | Yes/No | 1.51GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 2.8V ~ 3.2V | |
Renesas
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No/No | No/No | 50MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:2 | 16-TSSOP | Clock/Frequency Synthesizer | 3.135V ~ 3.465V | |
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 | |
Texas Instruments
|
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Yes/Yes | Yes/No | 800MHz | CML, LVCMOS, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CML, HCSL, LVCMOS, LVDS, LVPECL | Yes with Bypass | 2:8 | 48-VQFN (7x7) | Clock Generator | 1.71V ~ 3.465V | |
Texas Instruments
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No/No | Yes/Yes | 2.53GHz | 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 | 1.866GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 2.8V ~ 3.2V | |
Analog Devices / Maxim Integrated
|
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No/Yes | Yes/No | 156.25MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVDS, LVPECL | Yes | 1:7 | 40-LFCSP-WQ (6x6) | Clock Generator, Fanout Distribution, Multiplexer | 2.97V ~ 3.63V | |
Texas Instruments
|
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Yes/Yes | Yes/No | 800MHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 2:4 | 48-WQFN (7x7) | Clock Conditioner | 3.15V ~ 3.45V | |
Renesas
|
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Yes/Yes | Yes/Yes | 156.25MHz | HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVTTL | Yes with Bypass | 2:9 | 72-VFQFPN (10x10) | Clock Generator | 3.135V ~ 3.465V | |
Renesas
|
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Yes/No | Yes/No | 2GHz | LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 4:18 | 100-CABGA (11x11) | Jitter Attenuator | 3.3V | |
Renesas
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Yes/Yes | Yes/No | 700MHz | HCSL, LVDS, LVHSTL, LVPECL, SSTL | Surface Mount | 1 | 0°C ~ 70°C | LVPECL | Yes with Bypass | 1:2 | 32-TQFP (7x7) | Frequency Synthesizer | 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 | |
Analog Devices / Maxim Integrated
|
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No/Yes | Yes/No | 4.2GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:2 | 40-SMT (6x6) | - | 3V ~ 5.2V | |
Renesas
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Yes/Yes | No/Yes | 212.5MHz | Clock | Surface Mount | 1 | - | LVDS, LVPECL | Yes | 1:4 | 64-VFQFPN (9x9) | Clock Generator | - | |
Renesas
|
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No/No | Yes/No | 25MHz | LVCMOS, LVTTL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVTTL | Yes with Bypass | 1:1 | 16-TSSOP | Jitter Attenuator, Voltage Controlled Crystal Oscillator (VCXO) | 2.375V ~ 3.465V | |
|
Renesas
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
|
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No/Yes | Yes/No | 156.25MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVPECL, LVTTL | Yes with Bypass | 2:9 | 40-VFQFPN (6x6) | - | 3V ~ 3.6V | |
Renesas
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
|
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Yes/No | Yes/No | 1.5GHz | LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 4:18 | 100-CABGA (11x11) | Jitter Attenuator | 3.3V | |
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Cypress Semiconductor
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
|
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Yes/No | Yes/No | 2.458GHz | LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 4:18 | 100-CABGA (11x11) | Jitter Attenuator | 3.3V | |
Renesas
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Yes/No | Yes/No | 2.949GHz | LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 4:18 | 100-CABGA (11x11) | Jitter Attenuator | 3.3V | |
Renesas
|
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Yes/No | Yes/Yes | 250MHz | HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, LVTTL, SSTL | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS, LVTTL | Yes with Bypass | 2:8 | 32-TQFP (7x7) | Clock Generator | 2.375V ~ 3.465V | |
Renesas
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No/Yes | Yes/Yes | 340MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:1 | 8-TSSOP | Clock Generator | 2.375V ~ 3.465V | |
Texas Instruments
|
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Yes/Yes | Yes/No | 2.16GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | No | 1:8 | 48-WQFN (7x7) | Clock Conditioner | 3.15V ~ 3.45V | |
Renesas
|
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No/Yes | Yes/No | 700MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVPECL | Yes | 1:1 | 32-TQFP (7x7) | Frequency Synthesizer | 3.135V ~ 3.465V | |
Renesas
|
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No/Yes | Yes/No | 1GHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVPECL | Yes with Bypass | 1:8 | 56-VFQFPN (8x8) | - | 2.375V ~ 3.465V | |
Renesas
|
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Yes/Yes | Yes/No | 1GHz | Clock | Surface Mount | 8 | -40°C ~ 85°C (TA) | CML, HCSL, HSTL, LVCMOS, LVDS, LVPECL, SSTL | Yes | 4:12 | 72-VFQFPN (10x10) | Clock Generator | 1.71V ~ 3.465V | |
Cypress Semiconductor
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Infineon Technologies
|
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No/No | Yes/Yes | 200MHz | LVPECL, LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVTTL | Yes | 4:18 | 100-TQFP (14x14) | Clock Buffer, Fanout Distribution | 2.97V ~ 3.63V | |
Renesas
|
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Yes/Yes | Yes/No | 312.5MHz | HCSL, LVDS, LVHSTL, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 2:2 | 32-VFQFPN (5x5) | - | 3.135V ~ 3.465V | |
|
Infineon Technologies
|
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No/No | Yes/Yes | 200MHz | LVPECL, LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVTTL | Yes | 4:18 | 100-TBGA (11x11) | Clock Buffer, Fanout Distribution | 2.97V ~ 3.63V |
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