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MAX14950：Quad PCI Express Equalizer/Redriver

Ultra-Small Equalizer/Redriver Improves PCIe Signal Integrity Across Systems for Gen 3.0 Applications

The MAX14950 is a quad equalizer/redriver designed to improve PCI Express® (PCIe) signal integrity by providing programmable input equalization at its receiver and programmable redrive circuitry. The output circuitry reestablishes deemphasis lost on the board and compensates for circuit-board loss. The device permits optimal placement of key PCIe components. The device is useful with stripline, microstrip printed circuits, and balanced 100Ω cable. The device is tailored for PCIe and features electrical idle and receiver detection on each channel. It is optimized for PCIe Gen III (8.0GT/s) and Gen II (5.0GT/s) data rates, while still handling Gen I (2.5GT/s). The MAX14950 is available in a small, lead-free, 42-pin (3.5mm x 9.0mm) TQFN package for optimal layout and minimal space requirements. The device is specified over the 0°C to +70°C operating temperature range.

Key Features Optimized for Generation III (8.0GT/s) and Generation II (5.0GT/s) with Generation I (2.5GT/s) Compatibility Receive Detection Permits Completely Transparent, Software-Free Operation Equalization Permits Placement of Up to 30in FR4 PCIe Gen III (8.0GT/s)-Compliant Input/Output Return Loss Electrical Idle Detection Very Low Latency: 160ps (typ) Propagation Delay Random Jitter ≤ 0.5psRMS (typ) Deterministic Jitter ≤ 10.5psP-P (typ) Four-Level-Programmable Input Equalization Eight-Level-Programmable Output Emphasis On-Chip 50Ω Input/Output Terminations Single +3.3V Supply Operation ±5kV Human Body Model (HBM) Protection On All Pins Space-Saving: 3.5mm x 9.0mm TQFN Package Pin Compatible with MAX4950 PCIe Generation II Redriver/Equalizer

MAX14950: Typical Operating Circuit Applications/Uses Communications Switchers Desktop Computers/Notebook PCs Servers Storage

DataSheet

Parametrics

Design kits & evaluation modules

• MAX14950EVKIT

Quality and Environmental Data

• MAX14950.pdf

Ordering Information