874001AGI-05LF

# 874001AGI-05LF – PCIe Clock Generator – Renesas FemtoClock® Series

The 874001AGI-05LF from Renesas Electronics is a high-performance FemtoClock® timing solution designed for precision clock generation in PCI Express applications. This clock generator IC delivers exceptional signal integrity and low jitter, making it ideal for demanding computing and communication systems. PCX ensures reliable sourcing of this specialized component with fast shipping and dedicated technical support.

## Key Features
– **Frequency**: Up to 640MHz maximum output
– **Voltage Range**: 3V to 3.6V operation
– **Temperature Range**: -40°C to 85°C operating temperature
– **Interface**: Supports HCSL, LVDS, LVHSTL, LVPECL, and SSTL inputs with LVDS output
– **Integration**: Single PLL circuit with 1:1 input/output ratio
– **Packaging**: 20-TSSOP surface-mount package

## Technical Details
This FemtoClock® device features full differential input/output capability with superior phase noise performance. The IC organizes timing signals with precise ratio control and offers excellent power supply noise rejection. Its 20-TSSOP package (4.40mm width) provides compact mounting for space-constrained designs while maintaining robust thermal performance across the industrial temperature range.

## Applications
– PCI Express host adapters and add-in cards
– Networking equipment and switch fabric timing
– Server motherboards and enterprise computing systems
– Storage area network (SAN) hardware
– Test and measurement instrumentation

## About the Manufacturer
Renesas Electronics Corporation stands as a global leader in advanced semiconductor solutions, with decades of innovation in microcontrollers, analog products, and power devices. The company’s commitment to quality and reliability has made them a preferred partner for automotive, industrial, and computing applications worldwide.

Renesas’ FemtoClock® series represents their cutting-edge expertise in timing technology, offering industry-leading jitter performance and signal integrity. Their products undergo rigorous testing and validation processes, ensuring consistent performance even in the most demanding operating conditions and environments.

## About Clock Generator ICs
Clock generator integrated circuits serve as the heartbeat of electronic systems, providing precise timing references that synchronize operations across multiple components. These specialized ICs convert reference clock signals into multiple output frequencies with controlled phase relationships, enabling complex digital systems to function cohesively.

In modern computing and communication equipment, clock generators have become increasingly critical as data rates continue to accelerate. High-quality clock ICs like the FemtoClock® series minimize jitter and phase noise, which directly impacts signal integrity, data transmission accuracy, and overall system reliability in applications ranging from consumer electronics to enterprise infrastructure.

## Packaging Options
This product is available in tube packaging for prototyping and small to medium production runs. Contact PCX for volume pricing and alternative packaging options.

## Frequently Asked Questions

**Question: Is this clock generator compatible with PCIe Gen 3 specifications?**
Answer: Yes, the 874001AGI-05LF supports frequencies up to 640MHz, making it suitable for PCI Express Gen 3 applications and beyond.

**Question: What makes FemtoClock® devices different from standard clock generators?**
Answer: FemtoClock® technology delivers exceptional jitter performance below 1ps, significantly better than conventional clock generators, which is critical for high-speed serial interfaces.

**Question: Can this device replace other clock generator ICs in existing designs?**
Answer: While pin-compatible with some devices, always consult the datasheet and verify electrical characteristics before substituting in existing designs.

**Question: How does temperature affect this clock generator’s performance?**
Answer: The device maintains specified performance across the entire -40°C to 85°C operating range, thanks to Renesas’ robust design and manufacturing processes.

**Question: Is this product still recommended for new designs despite being marked obsolete?**
Answer: While marked obsolete, this device remains available through PCX’s reliable inventory management and is suitable for existing designs and long-lifecycle products.

**Question: What support documentation is available for this component?**
Answer: The complete datasheet is available on PCXCo.com, providing detailed electrical characteristics, application notes, and layout guidelines.

*Image is for representation only. Actual product may vary. Refer to datasheet for complete specifications.*

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