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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Harris Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Texas Instruments
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No/No | Yes/No | 550MHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 3:1 | 16-TSSOP | PLL Frequency Synthesizer | 2.7V ~ 5.5V | |
Cypress Semiconductor
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No/No | Yes/No | 130MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes with Bypass | 1:2 | 14-SOIC | Clock Generator, Fanout Distribution | 3V ~ 3.6V, 4.5V ~ 5.5V | |
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Renesas
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Cypress Semiconductor
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No/No | Yes/Yes | 133MHz | LVCMOS, LVTTL | Surface Mount | 1 | -40°C ~ 85°C (TA) | LVCMOS | Yes | 1:2 | 8-SOIC | Frequency Multiplier, Zero Delay Buffer | 3.135V ~ 3.465V, 4.5V ~ 5.5V | |
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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Texas Instruments
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Yes/No | Yes/Yes | 3.6GHz | CMOS | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 3:3 | 24-ULGA (4.5x3.5) | PLL Frequency Synthesizer, Delta Sigma | 2.25V ~ 2.75V | |
Cypress Semiconductor
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No/No | Yes/No | 14.318MHz, 33.3MHz, 48MHz, 83.3MHz | Crystal | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes | 1:25 | 48-SSOP | Clock Synthesizer, Driver | 3.135V ~ 3.465V | |
Cypress Semiconductor
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No/No | Yes/No | 1MHz | LVTTL, Crystal | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes | 1:20 | 48-SSOP | Clock Synthesizer, Driver | 3.135V ~ 3.465V | |
Cypress Semiconductor
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No/Yes | Yes/No | 248MHz | LVTTL | Surface Mount | 2 | 0°C ~ 70°C (TA) | Clock | Yes with Bypass | 1:6 | 48-SSOP | Clock/Frequency Synthesizer | 3.135V ~ 3.465V | |
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 | Yes/No | 1MHz | LVTTL, Crystal | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes | 1:20 | 48-SSOP | Clock Synthesizer, Driver | 3.135V ~ 3.465V | |
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Intersil
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Cypress Semiconductor
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Intersil
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Cypress Semiconductor
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Burr-Brown Corp
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Texas Instruments
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Yes/No | Yes/No | 7.5GHz | CMOS | Surface Mount | 1 | -40°C ~ 85°C (TA) | CMOS | Yes | 3:4 | 24-WQFN (4x4) | PLL Frequency Synthesizer, Delta Sigma | 2.5V ~ 3.6V | |
Cypress Semiconductor
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Cypress Semiconductor
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Texas Instruments
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Yes/No | Yes/No | 2GHz, 600MHz | CMOS, TTL | Surface Mount | 1 | -40°C ~ 85°C | CMOS | Yes with Bypass | 3:1 | 24-CSP (4.5x3.5) | PLL Frequency Synthesizer | 2.7V ~ 5.5V | |
Cypress Semiconductor
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No/No | Yes/No | 27MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C | Clock | Yes | 1:1 | 8-SOIC | Clock Generator | 3.135V ~ 3.465V | |
Standard Microsystems
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Cypress Semiconductor
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No/No | No/Yes | 133.33MHz | - | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes with Bypass | 1:9 | 16-TSSOP | Zero Delay Buffer | 3V ~ 3.6V | |
Cypress Semiconductor
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No/No | Yes/No | 75MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Clock/Frequency Synthesizer, Spread Spectrum Clock Generator | 3.135V ~ 3.465V, 4.5V ~ 5.5V | |
Cypress Semiconductor
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No/No | Yes/No | 14.318MHz, 24MHz, 48MHz | Clock, Crystal | Surface Mount | 2 | 0°C ~ 70°C (TA) | Clock | Yes | 1:13 | 28-SOIC | Spread Spectrum Clock Generator | 2.375V ~ 2.625V, 3.135V ~ 3.465V | |
Cypress Semiconductor
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Cypress Semiconductor
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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 | |
Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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No/No | Yes/No | - | CMOS, Crystal | Surface Mount | 1 | 0°C ~ 70°C (TA) | CMOS, TTL | Yes | 1:2 | 20-TSSOP | Spread Spectrum Clock Generator | 3.135V ~ 3.465V, 4.5V ~ 5.5V | |
Cypress Semiconductor
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No/No | Yes/No | 75MHz | Clock, Crystal | Surface Mount | 1 | 0°C ~ 70°C | CMOS | Yes | 1:1 | 8-SOIC | Clock/Frequency Synthesizer, Spread Spectrum Clock Generator | 3.135V ~ 3.465V, 4.5V ~ 5.5V | |
Cypress Semiconductor
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No/No | Yes/No | 14.318MHz, 24MHz, 48MHz | Clock | Surface Mount | 1 | 0°C ~ 70°C (TA) | Clock | Yes | 1:26 | 48-SSOP | Spread Spectrum Clock Generator | 3.135V ~ 3.465V | |
Analog Devices / Maxim Integrated
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No/No | Yes/No | - | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:1 | 8-uMAX/uSOP | Spread Spectrum Clock Generator | 2.7V ~ 3.6V | |
Analog Devices / Maxim Integrated
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No/No | Yes/No | - | Clock | Surface Mount | 1 | -40°C ~ 85°C | Clock | No | 1:1 | 8-uMAX/uSOP | Clock Generator | 2.7V ~ 3.6V | |
Cypress Semiconductor
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Cypress Semiconductor
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Cypress Semiconductor
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Analog Devices / Maxim Integrated
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No/No | Yes/No | 2Hz, 8Hz | Clock | Surface Mount | 1 | -40°C ~ 125°C | CMOS, TTL | No | 1:2 | 8-uMAX/uSOP | Clock Generator | 2.7V ~ 5.5V |
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