USB3503 datasheet(69/73 Pages) MICROCHIP

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DS00001584B-page 69

USB3503

APPENDIX A: DATA SHEET REVISION HISTORY

TABLE A-1:

REVISION HISTORY

REVISION LEVEL

SECTION/FIGURE/ENTRY

CORRECTION

DS00001584B (03-18-15)

Section 10.6, "Dynamic

Characteristics: Digital I/O

Pins," on page 55

Changed RESET_N minimum active low pulse from

100

μs to 1ms.

FIGURE 12-6: 25-Ball

WLCSP Package Marking

on page 65

Added note under figure: “Note: The Device # Code

for the USB3503 is “05”.”

DS00001584A replaces the previous SMSC version 1.2.

Rev. 1.2 (08-22-13)

All

Added 32-SQFN pinout and package information

Rev. 1.1 (02-07-13)

Document co-branded: Microchip logo added, company disclaimer modified.

Rev. 1.1 (12-19-11)

Table 4-2, "Timing

Parameters for Hub Stages"

Removed the second sentence in the Standby Sum-

mary:

“All port interfaces are high impedance”

Section 4.2.1, "External

Hardware RESET_N"

Removed second bullet:

“The USB data pins will be in a high-impedance

state.”

Table 3-4, "USB3503

Secondary Reference Clock

Frequencies"

Changed Frequency values in TABLE 3-4: as fol-

lows:

01 = 27.0MHz

10 = 25.0MHz

Rev. 1.0 (10-24-11)

Document release

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