# FUSB340TMX (Component)
## Description
USB Switch USB 3.1 USB Interface 18-TMLP (2x2.8)
The FUSB340 is a 2:1 data switch for USB SuperSpeed Gen1 and
Gen2, 5 Gbps and 10 Gbps data. It is targeted at the mobile device
market and for use in Type−C applications where a reversible cable
requires a switch.
The FUSB340 data switch offers superior performance various high
speed data transmission protocols:
• USB 3.1 SuperSpeed (Gen 2), 10 Gbps
• PCI Express, Gen 3
• SATA
• Fibre Channel
• Display Port 1.3
Features
• 10 GHz Typical Bandwidth
• USB 3.1 SuperSpeed 5 Gbps and10 Gbps Switch
• −1.0 dB Typical Insertion Loss at 2.5 GHz
• Low Active Power of 12 A Typical
• Low Shutdown Power of < 1 A Max.
• 2 kV HBM ESD Protection
• Small Packaging, 18 Lead TMLP
• Wide VDD Operating Range, 1.5 V−5.0 V
• This is a Pb−Free Device
#CommonPartsLibrary #IntegratedCircuit #Controller
#FUSB340
## Component Details
- **Owner:** adrian95
- **Created:** 5/8/2026
- **Last Updated:** 5/8/2026
- **Visibility:** Public
- **Symbol Style:** parametric-v1
- **Manufacturer Part Number:** FUSB340TMX
- **Manufacturer Name:** onsemi
- **Datasheet URL:** https://www.onsemi.com/pub/Collateral/FUSB340-D.PDF
- **Part Type:** Integrated Circuit
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Used in:** 1 project
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/fusb340tmx/on-semiconductor.html?utm_currency=USD®ion=nac) | $0.9465 | 4.3K |
| [LCSC](https://www.lcsc.com/product-detail/span-style-background-color-ff0-usb-span-converters_onsemi-fusb340tmx_C478457.html) | $0.5466 | 5.9K |
| [Mouser](https://www.mouser.com/ProductDetail/onsemi/FUSB340TMX?qs=4SZXFaw57snYIE5PrFVjhA%3D%3D) | $1.02 | 24K |
| [Verical](https://www.verical.com/pd/on-semiconductor-usb-interface-ic-FUSB340TMX-4560407?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** ON Semiconductor
- **MPN:** FUSB340TMX
- **Mount Type:** Cable
- **Pin Count:** 19
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 17 | VDD | |
| 6 | S | |
| 7 | ~OE | |
| 15 | SSTX1+ | |
| 4 | SSRXCOM- | |
| 10 | SSRX1+ | |
| 11 | SSRX1- | |
| 5 | SSRXCOM+ | |
| 13 | SSTX2+ | |
| 1 | SSTXCOM- | |
| 9 | SSRX2- | |
| 8 | SSRX2+ | |
| 2 | SSTXCOM+ | |
| 14 | SSTX2- | |
| 16 | SSTX1- | |
| 3 | GND_1 | |
| 18 | GND_3 | |
| 12 | GND_2 | |
| 19 | EP | |
---
*Generated from [https://www.flux.ai/adrian95/fusb340tmx](https://www.flux.ai/adrian95/fusb340tmx)*