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 | 13GHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 125°C (TA) | CMOS | Yes | 2:1 | 24-LFCSP-WQ (4x4) | Frequency Synthesizer | 1.62V ~ 3.45V | |
Renesas
|
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No/Yes | Yes/No | - | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes with Bypass | 1:8 | 56-VFQFPN (8x8) | - | 2.375V ~ 3.465V | |
Renesas
|
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Yes/Yes | Yes/No | 1GHz | HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes with Bypass | 2:12 | 72-VFQFPN (10x10) | Frequency Synthesizer | 2.375V ~ 3.465V | |
Renesas
|
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Yes/Yes | Yes/Yes | 312.5MHz | HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVTTL | Yes with Bypass | 2:12 | 72-VFQFPN (10x10) | Clock Generator | 3.135V ~ 3.465V | |
STMicroelectronics
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Yes/Yes | Yes/Yes | 6GHz | LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:2 | 36-VFQFPN (6x6) | - | 2.5V ~ 5.4V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 333.33MHz | Clock, Crystal, LVCMOS | Surface Mount | 1 | -40°C ~ 85°C (TA) | HCSL, LVCMOS, LVDS, LVPECL | Yes | 3:12 | 48-QFN (7x7) | Clock Generator | 1.71V ~ 3.63V | |
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Renesas
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No/No | No/No | 1.3GHz | HCSL, LVDS, LVHSTL, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 2:2 | - | Frequency Translator | - | |
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Renesas
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Analog Devices / Maxim Integrated
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Yes/Yes | Yes/No | 2.5GHz | Clock | Surface Mount | 1 | -40°C ~ 105°C | CML, LVDS | Yes | 1:5 | 40-QFN (5x7) | - | 3.15V ~ 3.45V | |
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Renesas
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Renesas
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Renesas
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Analog Devices / Maxim Integrated
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No/Yes | Yes/No | 18GHz | Clock | Surface Mount | 1 | -40°C ~ 105°C | Clock | No | 1:1 | 16-LFCSP-WQ (3x3) | Prescaler (RF) | 3V ~ 3.6V | |
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Renesas
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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 | 2.5GHz | LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 2:12 | 81-FPBGA (8x8) | Jitter Attenuator | 3.3V | |
Texas Instruments
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Yes/Yes | Yes/Yes | 1.57GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, 2VPECL, LVPECL | Yes | 2:6 | 48-WQFN (7x7) | Clock Conditioner | 3.15V ~ 3.45V | |
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Renesas
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
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No/Yes | Yes/No | 2.949GHz | - | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 2:10 | 81-FPBGA (8x8) | Jitter Attenuator | 3.3V | |
Renesas
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No/Yes | Yes/No | 312.5MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVPECL, LVTTL | Yes | 2:12 | 56-VFQFPN (8x8) | Clock Generator, Fanout Distribution | 2.375V ~ 3.465V | |
Cypress Semiconductor
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Analog Devices / Maxim Integrated
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Yes/No | Yes/No | 8GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 3:1 | 40-QFN (6x6) | Integer-N/Fractional-N | 3V ~ 5.5V | |
Renesas
|
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Yes/Yes | Yes/No | 1.3GHz | HCSL, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes with Bypass | 2:2 | 40-VFQFPN (6x6) | Frequency Translator | 2.375V ~ 3.465V | |
Renesas
|
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Yes/Yes | Yes/No | 1GHz | HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes with Bypass | 3:8 | 56-VFQFPN (8x8) | Jitter Attenuator | 2.375V ~ 3.465V | |
Microchip Technology
|
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Yes/Yes | Yes/No | 1.045GHz | CMOS | Surface Mount | 3 | -40°C ~ 85°C (TA) | CMOS, HCSL, HSTL, LVDS, LVPECL | Yes | 10:18 | 80-LGA (11x11) | Jitter Attenuator | 1.71V ~ 1.89V, 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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No/No | Yes/No | 9.55GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes with Bypass | 1:1 | 40-SMT (6x6) | - | 2.7V ~ 5.25V | |
Cypress Semiconductor
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Skyworks Solutions
|
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Yes/Yes | Yes/Yes | 808MHz | LVCMOS, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CML, LVCMOS, LVDS, LVPECL | Yes | 3:2 | 36-QFN (5x6) | Clock Multiplier, Jitter Attenuator | 1.71V ~ 3.63V | |
Texas Instruments
|
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No/No | Yes/Yes | 1.4GHz | Clock, Crystal | Surface Mount | 1 | -55°C ~ 125°C (TA) | Clock | No | 1:2 | 36-VQFN (6x6) | Frequency Synthesizer | 3.15V ~ 3.45V | |
Analog Devices / Maxim Integrated
|
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No/Yes | Yes/No | 2.5GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | Yes | 1:2 | 40-SMT (6x6) | - | 3.15V ~ 3.5V | |
Renesas
|
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Yes/Yes | Yes/No | 156.25MHz | HCSL, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes with Bypass | 3:2 | 48-VFQFPN (7x7) | - | 2.375V ~ 3.465V | |
Renesas
|
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Yes/Yes | Yes/Yes | 630MHz | HCSL, LVDS, LVHSTL, LVPECL, SSTL | Surface Mount | 1 | 0°C ~ 70°C | HSTL | Yes with Bypass | 1:1 | 20-SOIC | Clock Generator | 3.135V ~ 3.465V | |
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Renesas
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/Yes | 13.6GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:2 | 32-LFCSP (5x5) | - | 3.15V ~ 3.45V | |
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Analog Devices / Maxim Integrated
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Skyworks Solutions
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Yes/Yes | Yes/Yes | 2.8GHz | LVTTL | Surface Mount | 1 | -20°C ~ 85°C | CML | Yes | 1:1 | 63-PBGA (9x9) | Clock Multiplier | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/Yes | 16GHz | CMOS, ECL | Surface Mount | 1 | -40°C ~ 105°C | Clock | Yes | 1:4 | 48-LGA (7x7) | Integer N Synthesizer (RF) | 3.15V ~ 3.45V | |
Texas Instruments
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No/No | Yes/No | 2.4MHz | CMOS | Through Hole | 1 | -55°C ~ 125°C | CMOS | Yes | 1:1 | 16-PDIP | Phase Lock Loop (PLL) | 3V ~ 18V | |
Renesas
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Yes/Yes | Yes/No | 500MHz | HCSL, LVDS, LVHSTL, LVPECL, SSTL | Surface Mount | 1 | -40°C ~ 85°C | ECL, LVPECL | No | 1:1 | 8-SOIC | Clock Generator | 2.375V ~ 3.8V | |
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Renesas
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Texas Instruments
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Yes/No | Yes/Yes | 7.5GHz | CMOS | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 3:2 | 24-WQFN (4x4) | PLL Frequency Synthesizer, Delta Sigma | 2.5V ~ 3.6V | |
Texas Instruments
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No/No | No/No | 55MHz | Clock | Through Hole | 1 | -55°C ~ 125°C | Clock | Yes | 1:1 | 16-PDIP | Phase Lock Loop (PLL) | 2V ~ 6V | |
Texas Instruments
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Yes/No | Yes/No | 2GHz | Clock | Surface Mount | 1 | -10°C ~ 55°C | Clock | Yes | 3:3 | 20-TSSOP | PLL Frequency Synthesizer | 2.7V ~ 3.3V | |
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 | No/Yes | 133.3MHz | LVTTL | Surface Mount | 1 | -40°C ~ 85°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 | 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 | |
Infineon Technologies
|
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No/No | No/No | 133.33MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:5 | 8-SOIC | Fanout Buffer (Distribution), Zero Delay Buffer | 3V ~ 3.6V | |
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Sanyo Denki
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Skyworks Solutions
|
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Renesas
|
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No/No | No/Yes | 200MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes with Bypass | 1:9 | 20-QSOP | Clock/Frequency Synthesizer | 3V ~ 3.6V |
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