QS3VH257PAG8

Encoders, Decoders, Multiplexers & Demultiplexers 3.3V 4×2:1 Mux/Demux for Hot Swap Applic

QS3VH257PAG8 – 3.3V 4×2:1 Mux/Demux Bus Switch for Hot Swap Applications – Renesas Electronics

Optimize signal routing in space-constrained designs with the QS3VH257PAG8 bus switch from Renesas Electronics. This high-performance 4-channel multiplexer/demultiplexer IC enables seamless data path management while minimizing propagation delay, making it ideal for hot-swappable systems requiring reliable signal integrity. PCX ensures rapid delivery of this active-status component with dedicated technical support.

Key Features

Circuit Configuration: 4 x 2:1 multiplexer/demultiplexer
Voltage Range: 2.3V to 3.6V single supply operation
Speed Optimized: Low propagation delay for real-time switching
Robust Design: -40°C to 85°C industrial temperature range
Compact Footprint: Surface-mount 16-TSSOP package (4.40mm width)
Hot Swap Capable: Designed for live-insertion applications

Technical Specifications
Part of Renesas’ 3VH series, this bus switch features independent circuit control with a single-supply architecture. The 16-TSSOP package enables high-density PCB layouts while maintaining signal fidelity. With rail-to-rail switching capability and minimal crosstalk, it maintains data integrity across voltage transitions in demanding environments. ESD protection ensures durability during handling and operation.

Typical Applications

Hot-swap server backplanes and RAID systems
Data routing in telecom infrastructure
Port expansion in industrial controllers
Signal multiplexing in test equipment
I/O management in embedded computing

About Renesas Electronics
Renesas Electronics Corporation is a globally recognized leader in advanced semiconductor solutions, renowned for innovation in embedded processing, analog, and power management technologies. With decades of industry expertise, Renesas consistently delivers high-reliability components meeting rigorous automotive, industrial, and communications standards.
The company’s commitment to quality is demonstrated through extensive validation processes and ISO-certified manufacturing. Renesas’ signal switching portfolio, including the 3VH series, reflects their focus on optimizing performance-per-watt while ensuring compatibility with evolving system architectures worldwide.

About Bus Switches
Bus switches are fundamental digital components that manage signal routing between multiple circuits without signal regeneration. They function as electronically controlled pathways, enabling dynamic connection or isolation of data lines with near-zero propagation delay. Unlike traditional multiplexers, bus switches maintain signal directionality and voltage levels with minimal distortion.
In modern electronics, these ICs are critical for reducing board complexity in high-speed systems. Their low capacitance preserves signal integrity during hot-swapping operations, making them indispensable in servers, networking gear, and modular instrumentation where live component replacement is required.

Packaging Options
Available in industry-standard formats for automated assembly: Tape & Reel (TR), Cut Tape (CT), and Digi-Reel® packaging. Specify your preferred option when ordering.

FAQs
Q: What distinguishes this bus switch from standard multiplexers?
A: It maintains bidirectional signal transmission with minimal voltage drop, optimized specifically for hot-insertion scenarios without requiring signal conditioning.

Q: Is this IC compatible with 5V TTL systems?
A: No, it operates exclusively within 2.3V-3.6V range. Use level shifters for 5V interfacing.

Q: What PCB layout considerations apply?
A: Implement decoupling capacitors near VCC pins and minimize trace lengths to switching ports to prevent signal reflection.

Q: How does the hot-swap capability function?
A: Integrated charge pumps prevent current surges during live insertion, protecting both the switch and connected components.

Q: Can multiple devices be daisy-chained?
A: Yes, the high-impedance disable state allows cascading for expanded channel configurations.

Q: Are evaluation boards available?
A: Contact PCX technical support for development tool recommendations compatible with this device.

Note: Product image is representational. For exact specifications, download the datasheet.

Upgrade your system’s signal management – order QS3VH257PAG8 today for same-day shipping from PCX!