871S1022EKLF

Overview

The 871S1022EKLF is a clock synthesizer and jitter cleaner from the Renesas MultiRate FEMTOCLOCK series. It features four LVPECL output channels with a maximum frequency of 500 MHz. The device accepts HCSL, LVDS, or LVHSTL input signals and operates on a single 3.3V power supply (3.135 V to 3.465 V). Packaged in a 32-lead VFQFPN, it supports an input frequency up to 100 MHz and draws approximately 100 mA. Designed for industrial temperature ranges (0°C to +70°C), this component is currently listed as obsolete.

Feature Summary

• Four-output LVPECL clock generation with frequencies up to 500 MHz
• Flexible input compatibility supporting HCSL, LVDS, and LVHSTL levels
• Integrated jitter cleaning capabilities within the MultiRate FEMTOCLOCK architecture
• Single 3.3V power supply operation with 100 mA typical current consumption

Applications

• PCI Express infrastructure systems
• High-speed serial communication links
• Data acquisition and processing equipment
• Telecommunications networking hardware

Procurement Notes

This component is officially designated as obsolete by Renesas Electronics Corporation. Availability is restricted to existing stock or secondary market sources. Verification of authenticity and physical condition is critical when sourcing from non-direct suppliers. Buyers should confirm the specific manufacturing date code and ensure compliance with RoHS directives before procurement.

Selection Notes

Engineers replacing this part must account for its obsolete status and verify pinout compatibility with alternative clock generators. The 871S1022EKLF requires a 3.3V supply and utilizes a VFQFPN-32 package; any substitute must match these electrical and mechanical constraints. Designers should review the datasheet for specific jitter performance metrics and input/output voltage level requirements to ensure signal integrity in high-speed applications.

Part Context

The 871S1022EKLF belongs to the 871S1022 family of MultiRate FEMTOCLOCK devices. This series is engineered for low-jitter clock distribution in demanding digital environments. The specific model provides four differential outputs, distinguishing it from single or dual-output variants within the same product line. It serves as a specialized timing solution for legacy high-speed interface standards.

Replacement Considerations

As an obsolete component, direct replacements are not guaranteed by the manufacturer. Engineers should consult Renesas for recommended cross-reference parts that offer equivalent jitter performance and I/O configurations. Validation of the new component's package footprint and thermal characteristics against the original VFQFPN-32 design is required.