CY2292ESL-1J5

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY2292ESL-1J5 is a factory-programmable, three-phase-locked-loop (PLL) general-purpose clock generator manufactured by Cypress Semiconductor. It features an EPROM-based architecture for custom frequency generation from a single external source. The device supports configurable 3.3 V or 5.0 V operation and provides four independent clock outputs: CPUCLK, CLKA, CLKB, and CLKC. It operates within a commercial temperature range of 0°C to 70°C. The part number suffix 'SL' indicates 3.3 V operation in a 16-pin SOIC package, while the '-1J5' extension denotes specific factory-configured output frequencies.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Three integrated PLLs (CPLL, SPLL, UPLL) for generating up to four distinct clock signals
• EPROM programmability allowing full customization of output frequencies
• CPUCLK smooth slewing capability between 20 MHz and maximum output frequency
• Configurable power management with shutdown and suspend modes

Clock Generators, PLLs, Frequency Synthesizers Applications

• PC motherboard clock generation
• Synchronous system timing distribution
• Low-power embedded applications requiring variable CPU frequencies

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify that the ordering suffix matches the required voltage level and package type. The 'SL' suffix specifies 3.3 V operation in a 16-pin SOIC package. Confirm the custom configuration code corresponds to the desired output frequencies. Ensure the component meets commercial temperature requirements (0°C to 70°C).

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a fixed, factory-programmed solution is preferred over field-programmable alternatives. Choose the 'SL' variant specifically for 3.3 V logic compatibility. Verify that the required output frequencies fall within the supported range of 76.923 kHz to 80 MHz for 3.3 V operation. Consider the 16-pin SOIC package constraints for board layout.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This device belongs to the CY2292 family of EPROM-programmable clock generators. It is upwardly compatible with industry-standard ICD2023 and ICD2028 devices. The product line includes both factory-programmable (CY2292) and field-programmable (CY2292F) options across commercial and industrial temperature grades.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Direct replacements include other CY2292 variants such as CY2292FXC for field programmability or CY2292SXC for 5 V operation. Cross-family upgrades may require verification of pinout compatibility and software configuration tools like CyClocks.