ON Semiconductor (Nasdaq: ONNN), a leading provider of high-performance silicon solutions for energy-efficient electronics, has launched a new range of components designed to enhance performance in routers, servers, and network equipment. These products are specifically tailored for high-speed interconnect applications in communication systems, including automatic test equipment (ATE). The new lineup includes the NB3N1XXK family of differential clock and data fanout buffers, the NCN3411 4-channel and NCN3612B 6-channel differential switches, as well as the ESD7004 and ESD7008 transient voltage suppressors (TVS).
Clock and Data
The NB3N106K, NB3N108K, NB3N111K, and NB3N121K differential fanout clock and data drivers come in 6-, 8-, 10-, or 21-output configurations, making them ideal for systems requiring multiple high-precision, low-phase noise clock copies. These devices offer typical additional phase jitter of only 0.1 picoseconds (ps) RMS over the 12 kHz to 20 MHz band, with a maximum output-to-output skew of 100 ps. This makes them suitable for PCIe Gen 1, 2, and 3 applications. Their input supports single-ended or differential LVPECL, LVDS, and HCSL signals, allowing designers to interface with various signaling mechanisms easily. Additionally, the NB3N3002 and NB3N5573 PCIe clock synthesizers can be used to create a complete clock tree for the NB3N1XXK fanout buffers.
Switches
The NCN3411 and NCN3612B differential switches are optimized for PCIe 3.0 applications, supporting data rates up to 8 Gbps. These devices feature low supply current requirements—200 μA for the NCN3411 and 250 μA for the NCN3612B—which help reduce heat dissipation. The NCN3411 is a Single-Pole Double-Throw (SPDT) switch that provides four differential channels, capable of handling two PCIe lanes and managing two PCIe slots with a single controller. The NCN3612B is compatible with both DisplayPort 1.2 and PCIe 3.0, enabling seamless switching between these two data types.
Protection
In high-speed PCIe applications, protecting sensitive data lines from electrostatic discharge (ESD) is crucial. ON Semiconductor's ESD7004 and ESD7008 provide effective ESD protection with low capacitance and low clamp voltage. The ESD7004 is a 4-channel unidirectional ESD protection diode, while the ESD7008 offers 4-pair (8-wire) high-speed line protection. The flow-through package design simplifies PCB routing by maintaining consistent impedance and aiding trace-length matching.
David Somo, Vice President of Corporate Marketing at ON Semiconductor, stated, “As a member of the PCI Special Interest Group (PCI-SIG), ON Semiconductor continues to expand its product portfolio to meet the evolving needs of our network and communications customers. These new clock, switch, and protection devices are designed to support the maximum system burst data throughput required for PCIe applications.â€
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