CY22388ZXC-30

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY22388ZXC-30 is a factory-programmable quad PLL clock generator with an integrated analog VCXO, manufactured by Cypress Semiconductor. It operates on a 3.3 V supply and supports output frequencies from 1 MHz to 166 MHz using a 10 MHz to 30 MHz crystal reference or an external reference from 1 MHz to 100 MHz. The device features four independent PLLs capable of synthesizing unrelated frequencies, with post-dividers allowing division ratios of 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, or 15. It utilizes a 16-pin TSSOP package and includes frequency select pins (FS0–FS2) for configuring output divider selections without modifying PLL frequencies.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Quad PLL architecture enabling synthesis of up to four independent frequencies from a single crystal reference.
• Integrated analog VCXO providing a typical pull range of ±120 ppm for tracking external reference shifts.
• Factory-programmable configuration for customized output frequencies and divider settings.
• Supports selectable output frequencies between 1 MHz and 166 MHz with glitch-free transitions.

Clock Generators, PLLs, Frequency Synthesizers Applications

• Digital set-top boxes requiring precise clock synchronization.
• DVD recorders needing multiple independent clock domains.
• DTV applications meeting critical timing requirements.

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

This component is obsolete and in the EOL/Obsolete state as per datasheet revision *L dated April 13, 2020. No replacement part number is listed in the official documentation. Verification of availability should focus on surplus markets or legacy stock, as standard production channels are discontinued.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Selection requires submitting specific frequency and divider configurations to Cypress for factory programming, resulting in a unique part number. Designers must ensure compatibility with pullable crystals meeting specified ESR and capacitance parameters. The 16-pin TSSOP package limits output count compared to 20-pin or QFN variants in the family.

Clock Generators, PLLs, Frequency Synthesizers Part Context

The CY22388ZXC-30 belongs to the CY22388 family, which also includes the CY22389 (20-pin TSSOP) and CY22391 (32-pin QFN). All variants share the same core functionality but differ in pin counts and available outputs. The 'ZXC' suffix indicates the 16-pin TSSOP package type within the commercial temperature range.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

No direct replacement part numbers are documented in the datasheet. Designers should evaluate other factory-programmable clock generators from Infineon or Silicon Labs that offer similar quad PLL architectures and VCXO capabilities if migration is required.