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MIC2551A-2.5

Part Number	MIC2551A-2.5
Manufacturer	Micrel Semiconductor
Description	USB Transceiver
Published	Apr 27, 2010
Detailed Description	MIC2551A-2.5 Micrel, Inc. MIC2551A-2.5 USB Transceiver www.DataSheet4U.com General Description The MIC2551A is a sing...
Datasheet	MIC2551A-2.5 PDF File

Overview

MIC2551A-2.
5 Micrel, Inc.
MIC2551A-2.
5 USB Transceiver www.
DataSheet4U.
com General Description The MIC2551A is a single chip transceiver that complies with the physical layer speciﬁcations of the Universal Serial Bus (USB) 2.
0.
It supports both full speed (12Mbps) and low speed (1.
5Mbps) operation and introduces superior edge rate control, producing crisper eye diagrams.
This in turn, eases the task of passing USB compliance testing.
A unique, patented, dual supply voltage operation allows the MIC2551A to reference the system I/F I/O signals to a supply voltage down to 1.
6V while independently powered by the USB VBUS.
This reduces system operating current and allows the system to operate at its core voltage without additional buffering logic.
MIC2551A-2.
5 is differentiated from MIC2551A by a smaller space saving MLF™ package (2.
5mm × 2.
5mm) and ±15kV ESD protection which eliminates the need for separate ESD protection devices on the D+, D- data lines.
Data sheets and support documentation can be found on Micrel's web site at www.
micrel.
com.
Features • ±15kV ESD protection on VBUS, D+ and D• Smaller 2.
5mm × 2.
5mm MLF™ package • USB 1.
1 and 2.
0 compliant transceiver (full speed 12Mbs and low speed - 1.
5Mbps) operation • Separate I/O supply with operation down to 1.
6V • Integrated speed select termination supply • Very-low power consumption to meet USB suspend current requirements • No power supply sequencing requirements • Software controlled enumeration Applications • • • • PDAs Palmtops Cell phones PC peripherals Ordering Information Part Number MIC2551AYML25 Junction Temp.
Range -40°C to +85°C Package - Pb Free 2.
5mm × 2.
5mm MLF™ Typical Application MIC2551A Transceiver V I/O VIF CON OE# RCV VP VM SPD GND SUS GND VTRM VPU VBUS D+ D– 1.
5 k 20Ω 1% 20Ω 1% 1.
0µF VBUS D+ D– 10µF GND USB Port USB Controller Typical Application Circuit MicroLeadFrame and MLF are trademarks of Amkor Technology.
Micrel, Inc.
• 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +...

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MIC2551A-2.5 USB Transceiver - Micrel Semiconductor

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