AB-557-03-HCLV-F-L-C-T

Overview

The AB-557-03-HCLV-F-L-C-T is a crystal-less PCI Express dual output ultra-miniature Pure Silicon SMD clock generator manufactured by Abracon LLC. It operates within a supply voltage range of 2.25 V to 3.6 V and supports frequencies up to 460 MHz. The device features two differential outputs in HCSL and LVDS formats, housed in a 14-VFQFN exposed pad package measuring 3.2 x 2.5 mm. Designed for low power consumption with a typical enabled supply current of 60 mA, it includes tri-state functionality and meets PCIe Gen1, Gen2, and Gen3 specifications.

Feature Summary

• Crystal-less design utilizing Pure Silicon technology for high shock and vibration immunity
• Dual differential outputs supporting mixed formats: HCSL and LVDS
• Low jitter performance suitable for PCIe Gen1 through Gen3 applications
• Wide operating temperature range from -40°C to +85°C

Applications

• PCI Express (PCIe) systems
• Storage Area Networks (SAN)
• Passive Optical Networks (PON)
• Ethernet interfaces including 1G, 10GBASE-T/KR/LR/SR, and FCoE

Procurement Notes

Verify the specific ordering suffixes against the official Abracon datasheet to ensure correct configuration of output formats, frequency stability, and temperature grades. Confirm that the selected variant matches the required system voltage and interface standards before procurement.

Selection Notes

Select this component when a compact, solid-state clock source is required for high-speed serial links. Ensure the application environment falls within the specified -40°C to +85°C operating range and that the 2.25 V to 3.6 V supply voltage aligns with the system power architecture.

Part Context

This part belongs to the AB-557-03 series, which offers various output format combinations including LVCMOS, LVPECL, LVDS, and HCSL. The series provides options for different frequency stabilities and temperature ranges, allowing customization for diverse industrial and commercial timing requirements.

Replacement Considerations

Direct replacements must match the 14-QFN package and support both HCSL and LVDS outputs. Verify that any substitute component meets the same PCIe compliance standards and operates within the identical voltage and temperature parameters.