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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Infineon Technologies
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- | - | 80MHz | - | Surface Mount | - | - | - | - | - | 16-SOIC | PLL Clock Generator | 3V ~ 3.6V | |
Texas Instruments
|
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, 2VPECL, LVPECL | Yes | 2:6 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
Cypress Semiconductor
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No/No | Yes/Yes | 128MHz | Clock, Crystal, Resonator | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:1 | 8-SOIC | Clock/Frequency Synthesizer, Frequency Modulator, Spread Spectrum Clock Generator | 3.135V ~ 3.465V | |
Texas Instruments
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Yes/Yes | No/No | 180MHz | Clock | Surface Mount | 1 | 0°C ~ 85°C | Clock | Yes with Bypass | 1:10 | 48-TSSOP | PLL Clock Driver | 2.3V ~ 2.7V | |
Cypress Semiconductor
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No/Yes | No/No | 200MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVDS | Yes | 1:3 | 16-TSSOP | Clock Generator, Fanout Distribution | 3V ~ 3.6V | |
Texas Instruments
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Yes/Yes | Yes/Yes | 400MHz | LVDS | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVTTL | Yes | 1:2 | 28-TSSOP | PLL Frequency Multiplier | 3V ~ 3.6V | |
Texas Instruments
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- | - | - | - | Surface Mount | - | - | - | - | - | 32-WQFN (5x5) | - | - | |
Texas Instruments
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
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 | |
Texas Instruments
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No/No | Yes/No | 2.79GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 2.8V ~ 3.2V | |
Texas Instruments
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No/No | Yes/No | 1.268GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 2.8V ~ 3.2V | |
Cypress Semiconductor
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Cypress Semiconductor
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Cypress Semiconductor
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No/Yes | Yes/No | 133MHz | LVTTL, Crystal | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 1:24 | 56-TSSOP II | Clock Driver, Clock Synthesizer, Spread Spectrum Clock Generator | 3.135V ~ 3.465V | |
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 | |
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 | |
Texas Instruments
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | 2VPECL, LVPECL | Yes | 2:5 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
Texas Instruments
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | 2VPECL, LVPECL | Yes | 2:5 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
|
Infineon Technologies
|
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- | - | 80MHz | - | Surface Mount | - | - | - | - | - | 16-SOIC | PLL Clock Generator | 3V ~ 3.6V | |
Texas Instruments
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No/No | No/No | 175MHz | LVTTL | Surface Mount | 1 | 0°C ~ 85°C | LVTTL | Yes with Bypass | 2:10 | 24-TSSOP | PLL Clock Driver | 3V ~ 3.6V | |
Texas Instruments
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No/Yes | Yes/Yes | 3.76GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes with Bypass | 1:5 | 32-WQFN (5x5) | Frequency Synthesizer (RF) | 3.15V ~ 3.45V | |
Texas Instruments
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, 2VPECL, LVPECL | Yes | 2:6 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
Renesas
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No/No | No/Yes | 200MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes with Bypass | 1:9 | 20-QSOP | Clock/Frequency Synthesizer | 3.15V ~ 3.45V | |
Cypress Semiconductor
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Aurasemi
|
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Yes/Yes | Yes/No | 2.1GHz | CML, Crystal, HCSL, LVCMOS, LVDS, LVPECL | Surface Mount | 2 | -40°C ~ 85°C (TA) | CML, HCSL, LVCMOS, LVDS, LVPECL | Yes | - | 64-QFN (9x9) | Clock Generator, Jitter Attenuator | 2.375V ~ 2.625V, 2.97V ~ 3.63V | |
Texas Instruments
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Yes/Yes | Yes/No | 2.6GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, LVPECL | Yes | 3:6 | 64-WQFN (9x9) | - | 3.15V ~ 3.45V | |
Texas Instruments
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Yes/Yes | Yes/No | 2.6GHz | LVCMOS, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, LVPECL | Yes with Bypass | 1:14 | 64-WQFN (9x9) | - | 3.15V ~ 3.45V | |
|
Texas Instruments
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Yes/No | No/No | 36.87MHz | TTL | Surface Mount | 1 | -25°C ~ 85°C | CMOS | Yes | 1:6 | 20-SSOP | PLL Multi-Clock Generator | 3.3V, 5V | |
On Semiconductor
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- | - | - | - | Surface Mount | - | - | - | - | - | 8-WDFN (2x2) | - | - | |
Renesas
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No/No | Yes/Yes | 168MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:2 | 8-SOIC | Clock Multiplier, Zero Delay Buffer | 3.15V ~ 5.5V | |
Renesas
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No/Yes | Yes/No | 680MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | 0°C ~ 70°C | LVDS | Yes with Bypass | 2:3 | 24-TSSOP | Frequency Synthesizer | 3.135V ~ 3.465V | |
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Diodes Incorporated
|
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Cypress Semiconductor
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
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Yes/Yes | Yes/No | 1.296GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL | No | 1:8 | 48-WQFN (7x7) | Clock Conditioner | 3.15V ~ 3.45V | |
Texas Instruments
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No/Yes | Yes/Yes | 500MHz | LVCMOS, LVTTL | Surface Mount | 1 | -40°C ~ 85°C | LVDS, LVPECL, LVTTL | Yes with Bypass | 1:1 | 24-SSOP | PLL Multiplier/Divider | 3V ~ 3.6V | |
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 | |
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 | |
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 | |
Texas Instruments
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | 2VPECL, LVPECL | Yes | 2:5 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
Texas Instruments
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | 2VPECL, LVPECL | Yes | 2:5 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
Texas Instruments
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Yes/Yes | Yes/No | 1.08GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, 2VPECL, LVPECL | Yes | 2:6 | 48-WQFN (7x7) | - | 3.15V ~ 3.45V | |
Texas Instruments
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Yes/Yes | Yes/No | 2.6GHz | LVCMOS, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, LVPECL | Yes | 3:12 | 64-WQFN (9x9) | - | 3.15V ~ 3.45V | |
Renesas
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No/No | Yes/No | 160MHz | LVCMOS | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 3:3 | 56-TSSOP | Clock Synchronizer | 3.15V ~ 3.45V | |
Harris Semiconductor
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- | - | - | - | - | - | - | - | - | - | - | - | - | |
Texas Instruments
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Yes/Yes | Yes/No | 200MHz, 400MHz, 1.25GHz | Clock, LVCMOS | Surface Mount | 1 | -40°C ~ 85°C | CML, HCSL, LVCMOS, LVDS, LVPECL | Yes | 3:4 | 48-VQFN (7x7) | Clock Generator, Clock Synchronizer | 3.135V ~ 3.465V | |
Renesas
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No/No | No/No | 160MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVTTL | Yes with Bypass | 2:4 | 16-QSOP | - | 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 | |
Renesas
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No/No | Yes/Yes | 140MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:2 | 28-QSOP | Fanout Buffer (Distribution), Zero Delay Buffer | 3V ~ 3.6V | |
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 | |
Texas Instruments
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No/No | No/No | 125MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes with Bypass | 1:10 | 24-TSSOP | PLL Clock Driver | 3V ~ 3.6V |
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