USB3450 Datasheet

IC型號(hào)：
USB3450
PDF描述：
HI-SPEED USB HOST OR DEVICE PHY WITH UTMI+INTERFACE
文件大小：
1089.36KB
PDF頁(yè)數(shù)：
40頁(yè)
芯片廠家：
SMSC

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USB3450

Hi-Speed USB Host or

Device PHY With UTMI+

Interface

PRODUCT FEATURES

鈻?/div>

Datasheet

鈻?/div>

USB-IF 鈥淗i-Speed鈥?certified to the Universal Serial

Bus Specification Rev 2.0

Interface compliant with the UTMI+ Specification,

Revision 1.0.

Functional as a host or device PHY.

Supports HS, FS, and LS data rates.

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

attached (UTMI+ Level 3)

Supports HS SOF and LS keep alive pulse.

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

Max)

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.

鈻?/div>

Integrated 24MHz Crystal Oscillator supports either

crystal operation or 24MHz external clock input.

Internal PLL for 480MHz Hi-Speed USB operation.

Supports Hi-Speed USB and legacy USB 1.1 devices

55mA Unconfigured Current (typical) - ideal for bus

powered applications.

83uA suspend current (typical) - ideal for battery

powered applications.

Full Commercial operating temperature range from

擄

C to +70

擄

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

height)

SMSC USB3450

DATASHEET

Revision 0.1 (05-11-05)

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