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 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 27MHz | Clock | Surface Mount | 1 | -40°C ~ 125°C | Clock | No | 1:1 | 8-uMAX/uSOP | Spread Spectrum Clock Generator | 3V ~ 3.6V | |
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 24.576MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:1 | 8-uMAX/uSOP | Clock Generator | 2.7V ~ 3.6V | |
Renesas
|
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No/No | Yes/Yes | 200MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes with Bypass | 1:4 | 16-TSSOP | Clock/Frequency Synthesizer, Fanout Distribution, Spread Spectrum Clock Generator | 3.135V ~ 3.465V | |
Microchip Technology
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No/Yes | No/No | 200MHz | LVCMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL | Yes with Bypass | 2:8 | 44-QFN (7x7) | - | 2.375V ~ 3.465V | |
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Cypress Semiconductor
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 133MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | No | 1:2 | 8-SOIC | Frequency Synthesizer | 4.75V ~ 5.25V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/No | 2.4GHz | CMOS, LVDS, LVPECL | 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/No | Yes/Yes | 6.1GHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 125°C | Clock | Yes | 2:1 | 24-LFCSP (4x4) | Fractional N Synthesizer (RF) | 2.7V ~ 3.3V | |
Renesas
|
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No/Yes | Yes/No | 156.25MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes with Bypass | 1:8 | 48-VFQFPN (7x7) | - | 2.375V ~ 3.465V | |
Skyworks Solutions
|
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Yes/Yes | No/Yes | 1.05GHz | LVCMOS | Surface Mount | 1 | -40°C ~ 85°C | CML, LVCMOS, LVDS, LVPECL | Yes | 2:2 | 36-QFN (6x6) | Clock Multiplier | 1.71V ~ 3.63V | |
Renesas
|
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Yes/Yes | Yes/No | 156.25MHz | LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVPECL | Yes | 1:2 | 32-VFQFPN (5x5) | - | 3.135V ~ 3.465V | |
Skyworks Solutions
|
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Yes/Yes | No/Yes | 808MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CML, LVCMOS, LVDS, LVPECL | Yes | 4:5 | 100-TQFP (14x14) | Clock Multiplier, Jitter Attenuator | 1.71V ~ 3.63V | |
Sanyo Denki
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Sanyo Denki
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On Semiconductor
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Sanyo Denki
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Texas Instruments
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- | - | 1.91GHz | - | Surface Mount | - | -25°C ~ 85°C | - | - | - | - | Voltage Controlled Oscillator (VCO) | - | |
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On Semiconductor
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Texas Instruments
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Texas Instruments
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Texas Instruments
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Texas Instruments
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Sanyo Denki
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No/No | Yes/No | 30MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C (TA) | CMOS | Yes | 1:1 | 6-TSOP | Frequency Modulator, Spread Spectrum Clock Generator | 2.375V ~ 3.6V | |
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Harris Semiconductor
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Sanyo Denki
|
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- | - | - | - | Surface Mount | - | - | - | - | - | 8-TSSOP | - | - | |
Texas Instruments
|
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Texas Instruments
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Texas Instruments
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Microchip Technology
|
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Price and Stock
on Request |
No/No | No/No | 220MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes with Bypass | 1:5 | 8-SOIC | - | 2.25V ~ 3.63V | |
Harris Semiconductor
|
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No/No | Yes/No | 25MHz | TTL | Surface Mount | 1 | 0°C ~ 70°C (TA) | TTL | No | 1:3 | 20-PLCC (9x9) | Clock Generator | 4.5V ~ 5.5V | |
Sanyo Denki
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
On Semiconductor
|
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Yes/Yes | No/No | 750MHz | Clock | Surface Mount | 1 | 0°C ~ 85°C (TC) | Clock | No | 2:8 | 28-PLCC (11.51x11.51) | Clock Driver | 4.2V ~ 5.7V | |
Microchip Technology
|
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No/No | No/No | 220MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes with Bypass | 1:9 | 16-SOIC | - | 2.25V ~ 3.63V | |
Renesas
|
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No/No | No/No | 27MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes with Bypass | 1:2 | 16-TSSOP | Voltage Controlled Crystal Oscillator (VCXO) | 3.15V ~ 3.45V | |
Renesas
|
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Price on request
Price and Stock
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No/No | Yes/No | 100MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:3 | 10-VFQFPN (2x2) | Clock Generator | 1.71V ~ 1.89V | |
Renesas
|
Send RFQ |
Price on request
Price and Stock
on Request |
No/No | Yes/No | 100MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:3 | 10-VFQFPN (2x2) | Clock Generator | 1.71V ~ 1.89V | |
Renesas
|
Send RFQ |
Price on request
Price and Stock
on Request |
No/No | Yes/No | 100MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:3 | 10-VFQFPN (2x2) | Clock Generator | 1.71V ~ 1.89V | |
|
Analog Devices / Maxim Integrated
|
Send RFQ |
Price on request
Price and Stock
on Request |
No/No | Yes/No | 33.3MHz | 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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Price and Stock
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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) | 4.5V ~ 5.5V | |
|
Renesas
|
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Price on request
Price and Stock
on Request |
- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
|
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Price on request
Price and Stock
on Request |
No/No | No/Yes | 190MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 2:2 | 8-SOIC | Clock Generator | 3V ~ 5.5V | |
|
Analog Devices / Maxim Integrated
|
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Price on request
Price and Stock
on Request |
No/No | Yes/No | 48.75MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:1 | 8-uMAX/uSOP | Spread Spectrum Clock Generator | 2.7V ~ 3.6V | |
Renesas
|
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Price on request
Price and Stock
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No/No | Yes/Yes | 170MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:2 | 8-SOIC | Fanout Distribution, Spread Spectrum Clock Generator, Zero Delay Buffer | 3.15V ~ 3.45V | |
|
Renesas
|
Send RFQ |
Price on request
Price and Stock
on Request |
- | - | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
|
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Price on request
Price and Stock
on Request |
No/No | No/No | 38MHz | CMOS | Surface Mount | 1 | -55°C ~ 125°C | CMOS | Yes | 1:2 | 16-SOIC | Phase Lock Loop (PLL) | 4.5V ~ 5.5V | |
Microchip Technology
|
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- | - | 100MHz | Clock | Surface Mount | - | - | Clock | - | - | SOT-23-6 | - | 3.3V | |
|
Renesas
|
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Price and Stock
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
|
Skyworks Solutions
|
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Price on request
Price and Stock
on Request |
- | - | - | - | - | - | - | - | - | - | - | - | - | |
Renesas
|
Send RFQ |
Price on request
Price and Stock
on Request |
No/No | Yes/No | 200MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Clock/Frequency Synthesizer, Spread Spectrum Clock Generator | 3.15V ~ 3.45V | |
Renesas
|
Send RFQ |
Price on request
Price and Stock
on Request |
Yes/Yes | No/No | 350MHz | HCSL, LVCMOS, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | No | 2:2 | 24-QFN (4x4) | Fanout Buffer (Distribution) | 1.71V ~ 3.465V |
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