CYUSB3314-88LTXC

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CYUSB3314-88LTXC

IC USB 3.0 HUB 4-PORT 88QFN

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規格

Supplier Cypress Semiconductor Corp
Package Tray
Series HX3
ProductStatus Active
Applications USB 3.0 Hub Controller
CoreProcessor ARM® Cortex®-M0
ProgramMemoryType ROM (32kB)
ControllerSeries CYUSB
RAMSize 16K x 8
Interface I²C
NumberofI/O 10
Voltage-Supply 1.14V ~ 1.26V, 2.5V ~ 2.7V, 3V ~ 3.6V
OperatingTemperature 0°C ~ 70°C
MountingType Surface Mount
Package/Case 88-VFQFN Exposed Pad

概述

Description

CYUSB3314-88LTXC is Cypress (now Infineon) USB 3.0 hub controller with four downstream ports and a single upstream port. It integrates the USB 3.0 PHY, supports SuperSpeed 5 Gbps on both upstream and downstream links, and provides per-port power switches with over‑current protection. A built‑in hub-management interface (I2C/SPI) allows configuring port routing, enabling/disabling ports, LED indicators, and USB descriptors, enabling easy integration into devices. Typical uses include adding USB 3.0 hub functionality to PCs, laptops, external hubs, embedded systems, and consumer electronics. The -88LTXC suffix denotes a specific packaging variant (LTXC) used for PCB layout and thermal considerations. For exact electrical specs, pinout, timing, and package dimensions, consult the CYUSB3314 datasheet and packaging drawing.

Features

Here are the typical features of the CYUSB3314-88LTXC USB 3.0 hub controller:
- 4 downstream USB 3.0 ports and 1 upstream port (hub topology)
- USB 3.0 (SuperSpeed) up to 5 Gbps with USB 2.0/1.1 backward compatibility
- Integrated USB 3.0 PHY (no external PHY required)
- Per-port power switching with over-current protection
- Hot-plug support and port status/LED indicators
- Power management features including Link Power Management (LPM) and suspend/resume
- Configurable via a control interface (I2C/SPI-style) for host MCU integration
- Supports self-powered or bus-powered configurations
- ESD protection on USB ports
- RoHS-compliant, 88-pin LQFP package (88LTXC), industrial temperature range
Note: For exact electrical specs (current per port, wake schedules, timing, and register map), please consult the official datasheet.

Package

The CYUSB3314-88LTXC uses an 88-pin LQFP (low-profile quad flat package).

Pinout

- Pin count: 88 pins (LTXC package)
- Function: Cypress EZ-USB hub controller IC (USB 2.0) with one upstream port and four downstream ports (an 4-port USB hub with integrated hub logic/PHY).

Manufacturer

- Manufacturer: Cypress Semiconductor Corporation (now part of Infineon Technologies).
- What kind of company: A semiconductor company that designs and markets integrated circuits and connectivity solutions (e.g., USB controllers, microcontrollers, memory, analog/digital ICs). It was acquired by Infineon in 2020.

Application

Applications include USB hub expansions (external hubs, docking stations) using a 4‑port USB 3.0 hub controller; embedded/industrial and automotive systems needing multiple USB ports; and consumer electronics (media players, set‑top boxes, gaming consoles) plus peripherals (printers, scanners, POS devices) requiring USB 3.0 hub functionality and hub management.

Equivalent

Possible equivalents (4-port USB hub controllers):
- Genesys Logic: GL3520/GL3524; GL850G/GL852G
- VIA/VIA Labs: VL811/VL812
- Renesas: uPD720104
- Microchip: USB2514B
For USB 3.0 hubs, TI: TUSB8041 (and TUSB8040).

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