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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Cypress Semiconductor
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Cypress Semiconductor
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No/No | No/No | 133.33MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes with Bypass | 1:9 | 8-TSSOP | Zero Delay Buffer | 3V ~ 3.6V | |
Cypress Semiconductor
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Cypress Semiconductor
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Intersil
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No/No | Yes/No | 36MHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS, TTL | Yes | 3:1 | 16-SOIC | Phase Lock Loop (PLL) | 5V | |
Texas Instruments
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Yes/No | Yes/No | 2.5GHz, 600MHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 3:1 | 20-ULGA (3.5x3.5) | PLL Frequency Synthesizer | 2.7V ~ 5.5V | |
Cypress Semiconductor
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Yes/Yes | No/No | 170MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | SSTL-2 | Yes with Bypass | 1:10 | 48-TSSOP | - | 2.375V ~ 3.465V | |
On Semiconductor
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No/No | Yes/No | 110MHz | Clock, Crystal | Surface Mount | 1 | -40°C ~ 85°C | CMOS | No | 1:1 | 8-SOIC | Clock Generator | 4.5V ~ 5.5V | |
Texas Instruments
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Yes/No | Yes/Yes | 2.5GHz, 550MHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 3:3 | 24-CSP (4.5x3.5) | PLL Frequency Synthesizer | 2.7V ~ 5.5V | |
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Pericom Semiconductor Corporation
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Cypress Semiconductor
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Harris Semiconductor
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No/No | No/No | 38MHz | CMOS | Surface Mount | 1 | -55°C ~ 125°C | CMOS | Yes | 1:4 | 16-SOIC | Phase Lock Loop (PLL) | 2V ~ 6V | |
Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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No/No | No/No | 133.33MHz | - | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes with Bypass | 1:5 | 8-SOIC | Zero Delay Buffer | 3V ~ 3.6V | |
Cypress Semiconductor
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No/No | Yes/Yes | 133MHz | LVCMOS, LVTTL | Surface Mount | 1 | 0°C ~ 70°C | LVCMOS | Yes | 1:2 | 8-SOIC | Fanout Distribution, Frequency Multiplier, Zero Delay Buffer | 3.135V ~ 3.465V, 4.5V ~ 5.5V | |
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Cypress Semiconductor
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Cypress Semiconductor
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No/No | Yes/No | 140MHz | LVCMOS, LVTTL | Surface Mount | 1 | 0°C ~ 70°C (TA) | LVCMOS | Yes with Bypass | 1:8 | 16-SOIC | Clock Buffer, Zero Delay Buffer | 3V ~ 3.6V | |
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Cypress Semiconductor
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Analog Devices / Maxim Integrated
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Yes/Yes | No/No | - | CMOS, ECL, TTL | Surface Mount | 1 | -55°C ~ 125°C | CMOS, ECL, TTL | Yes | 2:1 | 20-CLCC (9x9) | Digital Phase/Frequency Discriminator | 5V | |
Cypress Semiconductor
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No/No | Yes/No | 18.432MHz, 53.946MHz, 54MHz | Crystal | Surface Mount | 1 | 0°C ~ 85°C (TA) | Clock | Yes | 1:2 | 16-TSSOP | Clock Generator | 1.63V ~ 1.75V, 2.25V ~ 2.75V, 3.15V ~ 3.6V | |
Cypress Semiconductor
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Cypress Semiconductor
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No/No | Yes/Yes | 200MHz | CMOS, Crystal | Surface Mount | 1 | -40°C ~ 85°C (TA) | CMOS, Crystal | Yes | 1:2 | 8-SOIC | Spread Spectrum Clock Generator | 3.13V ~ 3.45V | |
Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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On Semiconductor
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Cypress Semiconductor
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No/No | Yes/No | 128MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes | 1:1 | 8-SOIC | Spread Spectrum Clock Generator | 2.97V ~ 3.63V | |
Sanyo Denki
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No/No | Yes/No | 30MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 6-TSOP | Frequency Modulator, Spread Spectrum Clock Generator | 3V ~ 3.6V | |
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On Semiconductor
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 3GHz | CMOS, TTL | Surface Mount | - | -40°C ~ 85°C | Clock | Yes | 3:1 | 20-TSSOP | Frequency Synthesizer | 2.7V ~ 5.5V | |
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Cypress Semiconductor
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Harris Semiconductor
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No/No | Yes/No | - | - | Through Hole | 1 | 0°C ~ 70°C (TA) | Crystal | Yes | 2:1 | 24-PDIP | Clock Generator | 7.5V ~ 10.5V | |
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Cypress Semiconductor
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Cypress Semiconductor
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On Semiconductor
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On Semiconductor
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On Semiconductor
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Analog Devices / Maxim Integrated
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No/No | Yes/No | - | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 1:2 | 8-SOIC | Frequency Synthesizer | - | |
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Analog Devices / Maxim Integrated
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No/No | Yes/No | - | Clock | Surface Mount | 1 | -40°C ~ 125°C | CMOS, TTL | No | 1:2 | 8-uMAX/uSOP | Clock Generator | 2.7V ~ 5.5V | |
Harris Semiconductor
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No/No | No/No | 38MHz | - | Through Hole | 1 | -55°C ~ 125°C (TA) | - | Yes | 2:6 | 16-CDIP | Phase Lock Loop (PLL) | 4.5V ~ 5.5V | |
Harris Semiconductor
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No/No | No/No | 38MHz | CMOS | Through Hole | 1 | -55°C ~ 125°C (TA) | CMOS | Yes | 2:6 | 16-PDIP | Phase Lock Loop (PLL) | 4.5V ~ 5.5V |
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