USB5744SLASH2G datasheet(44/49 Pages) MICROCHIP

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USB5744

DS00001855D-page 44

 2015-2016 Microchip Technology Inc.

APPENDIX A:

DATA SHEET REVISION HISTORY

TABLE A-1:

REVISION HISTORY

Revision Level & Date

Section/Figure/Entry

Correction

DS00001855D (06-02-16)

Section 10.0, Package Information

Added top marking information and land pat-

tern drawing.

All

Updated “SQFN” references to “VQFN”.

Name change only.

Section 8.4.2.1, Port Power Control

using USB Power Switch

Added additional information on overcurrent

detection methods.

Section 9.6.1, Power Supply and

RESET_N Sequence Timing

Added Power Supply and RESET_N

Sequence Timing section.

Section 9.6.5, I2C Timing

“100kHz Standard Mode (Sm)” updated to

“400kHz Fast Mode (Fm)”, since the device

supports up to 400kHz I2C operation.

DS00001855C (06-22-15)

All

• Updated “USB 3.0” references to “USB

3.1 Gen 1” throughout the document

• Updated USB specification references

• Misc. typos

DS00001855B (04-16-15)

Features

Changed Environmental feature bullet from

“4kV HBM JESD22-A114F ESD protection”

“3kV HBM JESD22-A114F ESD protection”

Section 9.2, Operating Conditions**

Changed XTALI/CLK_IN Voltage to -0.3V to

+3.6V

Table 9-10, "Crystal Specifications"

Total Allowable PPM budget changed to

100pm, removed notes under table regarding

“Frequency Tolerance” and “Frequency and

Transmitter Clock Frequency”

Section 9.7.2, External Reference

Clock (CLK_IN)

Changed +-350ppm t +-100 ppm

Figure 3-1, "56-VQFN Pin

Assignments"Table 3-1, "56-VQFN

Pin Assignments"

Modified pin 32 from “PRT_CTL4/

GANG_PWR” to “PRT_CTL4/GANG_PWR”

Table 3-5, "USB Port Control Pin

Descriptions"

Revised description of Pin 1, GANG_PWR

Table 1-1, "General Terms" and

throughout document

Replaced the term Hub Controller with Hub

Feature Controller, added definition in Table 1-

1, "General Terms".

Section 6.1.2, SMBus Accessible

Functions

Added web link to AN1903

Removed PortMap feature throughout docu-

ment.

Table 3-7, "Miscellaneous Pin

Descriptions"

Modified RESET_N pin description

Section 8.3, Link Power Management

(LPM)

Removed “per the USB 3.0 Specification” from

the first sentence. Removed last sentence

“For additional information, refer to the USB

3.0 Specification.”

Table 9-2, "MAXIMUM Power Dissipa-

tion"

Added Table 9-2.

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