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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Yes/Yes | Yes/No | 1GHz | HCSL, LVCMOS, LVDS, LVHSTL, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVDS, LVPECL | Yes with Bypass | 3:8 | 56-VFQFPN (8x8) | - | 2.375V ~ 3.465V | |
Renesas
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No/No | No/No | 133MHz | LVTTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVCMOS, TTL | Yes with Bypass | 1:5 | 8-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
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Skyworks Solutions
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Skyworks Solutions
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Yes/Yes | Yes/No | 1.028GHz | LVCMOS | Surface Mount | 1 | -40°C ~ 85°C (TA) | CML, HCSL, LVDS, LVPECL, LVCMOS | Yes | 4:12 | 64-QFN (9x9) | Clock Multiplier, Jitter Attenuator | 1.71V ~ 1.89V, 3.14V ~ 3.47V | |
Nexperia USA Inc.
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No/No | No/No | 2.7MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:4 | 16-SO | Phase Lock Loop (PLL) | 3V ~ 15V | |
Cypress Semiconductor
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Renesas
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No/No | No/No | 133MHz | LVTTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVCMOS, TTL | Yes with Bypass | 1:5 | 8-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
Renesas
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No/No | No/No | 133MHz | LVTTL | Surface Mount | 1 | 0°C ~ 70°C | CMOS, LVCMOS, TTL | Yes with Bypass | 1:5 | 8-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
Diodes Incorporated
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No/No | No/No | 133MHz | TTL | Surface Mount | 1 | 0°C ~ 70°C | TTL | Yes | 1:5 | 8-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
Cypress Semiconductor
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No/No | Yes/No | 140MHz | - | Surface Mount | 1 | 0°C ~ 70°C (TA) | - | Yes | 1:8 | 16-SOIC | Zero Delay Buffer | 2.97V ~ 3.63V | |
Renesas
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No/No | No/No | 200MHz | LVTTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVTTL | Yes with Bypass | 1:5 | 8-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
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 | |
Diodes Incorporated
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No/No | No/No | 133MHz | TTL | Surface Mount | 1 | -40°C ~ 85°C | TTL | Yes | 1:5 | 8-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 1.048MHz, 16.375kHz | Clock | Surface Mount | 1 | -40°C ~ 125°C | CMOS, TTL | No | 1:2 | 8-uMAX/uSOP | Clock Generator | 2.7V ~ 5.5V | |
Diodes Incorporated
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- | No/No | 100MHz | CMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C (TA) | CMOS, HCSL | Yes | 1:6 | 40-TQFN (5x5) | Clock Generator | 3.135V ~ 3.465V | |
Renesas
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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 | |
Cypress Semiconductor
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Renesas
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No/No | Yes/No | 120MHz | LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVTTL | Yes with Bypass | 1:5 | 20-QFN (3x3) | Clock Generator | 1.71V ~ 3.465V | |
Analog Devices / Maxim Integrated
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Yes/No | Yes/No | 200MHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:1 | 16-TSSOP | Clock Generator (RF) | 2.7V ~ 5.5V | |
Renesas
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No/No | No/Yes | 67MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 3V ~ 3.6V | |
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 2MHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 2:4 | 8-uMAX/uSOP | Clock Generator | 3V ~ 3.6V | |
Analog Devices / Maxim Integrated
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Yes/No | Yes/No | 550MHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:1 | 16-TSSOP | Clock/Frequency Synthesizer (RF) | 2.7V ~ 5.5V | |
Texas Instruments
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Yes/Yes | Yes/No | 350MHz | Differential or Single-Ended | Surface Mount, Wettable Flank | 1 | -40°C ~ 85°C | LP-HCSL, LVCMOS, LVDS | Yes | 2:4 | 24-VQFN (4x4) | Clock Generator | 1.71V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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Yes/No | Yes/No | 3GHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 3:1 | 20-TSSOP | Clock/Frequency Synthesizer (RF/IF) | 2.6V ~ 3.3V | |
Analog Devices / Maxim Integrated
|
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No/Yes | Yes/No | 3GHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 1:2 | 32-LFCSP (5x5) | - | 3V ~ 3.6V | |
Renesas
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No/No | Yes/Yes | 200MHz | LVCMOS, LVTTL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, LVTTL | Yes with Bypass | 2:5 | 24-QFN (4x4) | Clock Generator, Multiplexer | 3.135V ~ 3.465V | |
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Cypress Semiconductor
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Cypress Semiconductor
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Renesas
|
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Yes/Yes | Yes/No | 350MHz | HCSL, LVCMOS, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes with Bypass | 2:4 | 24-LGA (4x4) | Clock Generator | 1.71V ~ 3.465V | |
Texas Instruments
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No/No | Yes/Yes | 4GHz | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | Yes | 2:2 | 36-WQFN (6x6) | Frequency Synthesizer (RF) | 3.15V ~ 3.45V | |
Standard Microsystems
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Renesas
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Renesas
|
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Price and Stock
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Yes/Yes | Yes/No | 350MHz | HCSL, LVDS, LVPECL | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes | 1:2 | 24-LGA (4x4) | - | 1.71V ~ 3.465V | |
Analog Devices / Maxim Integrated
|
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No/Yes | Yes/No | 900MHz | CMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS, LVDS, LVPECL | Yes with Bypass | 2:2 | 32-LFCSP-WQ (5x5) | Clock Generator | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
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No/No | Yes/No | 66MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | No | 1:2 | 8-SOIC | Frequency Synthesizer | 3V ~ 3.6V | |
Microchip Technology
|
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Yes/Yes | Yes/Yes | 1.035GHz | CML, CMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CML, CMOS | Yes with Bypass | 4:3 | 32-QFN (5x5) | - | 1.71V ~ 3.465V | |
Microchip Technology
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No/No | No/No | 130MHz | Crystal | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS, TTL | No | 1:1 | SOT-23-6 | Voltage Controlled Crystal Oscillator (VCXO) | 2.25V ~ 3.63V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 200MHz | LVCMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes | 3:8 | 40-QFN (6x6) | Clock Generator | 1.71V ~ 3.63V | |
Renesas
|
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No/Yes | Yes/No | 4.4GHz | LVCMOS | Surface Mount | 1 | -40°C ~ 85°C | LVCMOS | Yes | 1:2 | 32-VFQFPN (5x5) | - | 3.135V ~ 3.465V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 350MHz | LVCMOS, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CML, HCSL, LVCMOS, LVDS, LVPECL | Yes | 4:4 | 44-QFN (7x7) | - | 1.71V ~ 3.47V | |
Standard Microsystems
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Skyworks Solutions
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Yes/Yes | Yes/No | 333.33MHz | LVCMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | HCSL, LVCMOS, LVDS, LVPECL | Yes | 3:8 | 40-QFN (6x6) | Clock Generator | 1.71V ~ 3.63V | |
Microchip Technology
|
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Yes/Yes | Yes/No | 156.255MHz | CMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS, HCSL, HSTL, LVDS, LVPECL | Yes with Bypass | 4:6 | 56-QFN (8x8) | Clock Multiplier, Frequency Synthesizer | 1.71V ~ 3.465V | |
Skyworks Solutions
|
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Yes/Yes | Yes/No | 350MHz | LVCMOS, LVDS, LVPECL, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CML, HCSL, LVCMOS, LVDS, LVPECL | Yes | 4:10 | 64-QFN (9x9) | - | 1.71V ~ 3.47V | |
Analog Devices / Maxim Integrated
|
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Yes/Yes | Yes/No | 7.5GHz | Differential | Surface Mount | 1 | -40°C ~ 125°C | CML | No | 1:11 | 52-QFN (7x8) | Fanout Buffer (Distribution) | 3.15V ~ 3.45V | |
Microchip Technology
|
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Yes/Yes | Yes/No | 156.255MHz | CMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS, HCSL, HSTL, LVDS, LVPECL | Yes with Bypass | 4:10 | 56-QFN (8x8) | Clock Multiplier, Frequency Synthesizer | 1.71V ~ 3.465V | |
Skyworks Solutions
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Yes/Yes | No/No | 711MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CML, LVCMOS, LVDS, LVPECL | Yes with Bypass | 2:2 | 36-QFN (6x6) | Jitter Cleaner | 1.71V ~ 3.63V | |
Motorola Semicondutor
|
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No/No | No/No | 1.9MHz | CMOS | Surface Mount | 1 | -55°C ~ 125°C (TA) | CMOS | Yes | 2:2 | 16-SOEIAJ | Phase Lock Loop (PLL) | 3V ~ 18V | |
Skyworks Solutions
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Yes/Yes | Yes/No | 1GHz | LVCMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CML, HCSL, LVDS, LVPECL, LVCMOS | Yes | 4:12 | 64-QFN (9x9) | Clock Generator | 1.71V ~ 3.47V | |
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, LVPECL | Yes | 2:12, 2:24 | 64-LFCSP-VQ (9x9) | Clock Generator, Fanout Distribution | 3.135V ~ 3.465V |
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