SMSC USB3450 Hi-Speed USB Host or Device PHY Datasheet

USB3450 is a USB PHY chip from SMSC that supports USB 2.0 Hi-Speed and USB 1.1. It supports 480Mbps data rate, has a low latency receiver, internal 1.8V regulators, short circuit protection, 24MHz crystal oscillator, PLL and 40-pin QFN package.


SMSC USB3450 Hi-Speed USB Host or Device PHY Datasheet - cover page
Brand
SMSC
Category
Other Electronics
Document type
Datasheet
Language
English
Pages
40
File format
PDF
File size
881 KB
Published
06 August, 2012
Updated
30 September, 2023
MD5 checksum
53D931FA9577C1BFED7CF743FA12ADBC

About this manual

The SMSC USB3450 is a stand-alone Hi-Speed USB Physical Layer Transceiver (PHY) that uses a UTMI+ interface to connect to an SOC, ASIC, or FPGA. It supports Hi-Speed (HS), Full-Speed (FS), and Low-Speed (LS) USB data rates and is compliant with the USB-IF "Hi-Speed" certification and UTMI+ Specification Revision 1.0. The device can function as either a host or a device PHY.

What's inside

  • General Description
  • Applications
  • Functional Overview
  • Pin Configuration and Pin Definitions
  • Limiting Values
  • Electrical Characteristics
  • Detailed Functional Overview
  • Application Notes
  • Package Outline

Specifications

Operating Temperature Range0°C to +70°C
Package Type40 pin QFN
Package Dimensions6 x 6 x 0.9mm
Unconfigured Current55mA (typical)
Suspend Current83uA (typical)
Crystal Oscillator24MHz

Frequently asked questions

What is the SMSC USB3450?

The SMSC USB3450 is a stand-alone Hi-Speed USB Physical Layer Transceiver (PHY) that uses a UTMI+ interface to connect to an SOC, ASIC, or FPGA.

What data rates does the SMSC USB3450 support?

The SMSC USB3450 supports Hi-Speed (HS), Full-Speed (FS), and Low-Speed (LS) USB data rates.

What is the typical unconfigured current of the SMSC USB3450?

The typical unconfigured current is 55mA, which is ideal for bus powered applications.

What is the typical suspend current of the SMSC USB3450?

The typical suspend current is 83uA, which is ideal for battery powered applications.

Download PDF (881 KB)

More SMSC Manuals


View all SMSC manuals →