Datasheet > USB3450

USB3450

更新时间： 2024-09-20 21:53:23

品牌	Logo	应用领域
SMSC		/
页数	文件大小	规格书
40页	1089K
描述
HI-SPEED USB HOST OR DEVICE PHY WITH UTMI+INTERFACE

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USB3450 数据手册

USB3450

Hi-Speed USB Host or

Device PHY With UTMI+

Interface

Datasheet

PRODUCT FEATURES

■ USB-IF “Hi-Speed” certified to the Universal Serial

■ Integrated 24MHz Crystal Oscillator supports either

Bus Specification Rev 2.0

crystal operation or 24MHz external clock input.

■ Interface compliant with the UTMI+ Specification,

■ Internal PLL for 480MHz Hi-Speed USB operation.

■ Supports Hi-Speed USB and legacy USB 1.1 devices

Revision 1.0.

■ Functional as a host or device PHY.

■ Supports HS, FS, and LS data rates.

■ 55mA Unconfigured Current (typical) - ideal for bus

powered applications.

■ Supports FS pre-amble for FS hubs with a LS device

■ 83uA suspend current (typical) - ideal for battery

attached (UTMI+ Level 3)

powered applications.

■ Supports HS SOF and LS keep alive pulse.

■ Full Commercial operating temperature range from

0°C to +70°C

■ Low Latency Hi-Speed Receiver (43 Hi-Speed clocks

Max)

■ 40 pin QFN package; green, lead-free (6 x 6 x 0.9mm

height)

■ Internal 1.8 volt regulators allow operation from a

single 3.3 volt supply

■ Internal short circuit protection of DP and DM lines to

VBUS or ground.

SMSC USB3450

DATASHEET

Revision 0.1 (05-11-05)

12 3 4 5 6 7...40

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与USB3450相关器件

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