USB5744 datasheet(45/51 Pages) MICROCHIP

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 2022 Microchip Technology Inc. and its subsidiaries

DS00001855L-page 45

USB5744

APPENDIX A: DATA SHEET REVISION HISTORY

TABLE A-1:

REVISION HISTORY

Revision Level & Date

Section/Figure/Entry

Correction

DS00001855L (04-29-22)

Product Identification System

For usage example “e” where Hub Feature

Controller is disabled, updated document with

new part number "USB5742B" representing

latest B step silicon

Note added: “All USB5744 SKUs are now

supported by B step silicon. Note that not all

SKUs include the ‘B’ indicator in the part num-

ber.”

DS00001855K (03-09-22)

Table 3-1

Updated pin reset states.

DS00001855J (07-21-20)

“USB 3.1” changed to “USB 3.2” throughout document.

Table 3-2, "Pin Reset State Legend"

Table added.

Pin Descriptions on page 10

“Reset State” column added to Pin Assign-

ment table.

Notes added to tables explaining what to do

with certain pins when unused.

Section 10.2, "Operating Condi-

tions**"

Supply Voltage Rise Time increased to 5ms.

Section FIGURE 10-1:, "Supply Rise

Time Model"

Note added following diagram.

DS00001855H (11-11-19)

Product Identification System on page

Added additional “SEU” ordering code option.

DS00001855G (07-20-18)

FIGURE 10-2: on page 36 and

Table 10-5, "Power Supply and

RESET_N Sequence Timing"

Rise time modified: “VDD33 to VDD12”

changed to “VDD12” to VDD33”.

Section 9.0, "Compliance Update"

TID number added to first paragraph.

DS00001855F (06-12-18)

Cover

Added new Highlight bullet/sub-bullets regard-

ing USB-IF ECN support: “USB-IF certified

(TID 330000076), supporting latest Engineer-

ing Change Notices for compliance with USB-

IF logo testing for new USB Type-CTM

industry initiative”.

Section 1.2, "Reference Documents"

Updated USB specification reference.

Section 9.0, "Compliance Update"

Added new Compliance Update section.

FIGURE 10-2: on page 36 and

Table 10-5, "Power Supply and

RESET_N Sequence Timing"

Rise time modified: “VDD12 to VDD33”

changed to “VDD33” to VDD12”.

DS00001855E (02-10-17)

Table 3-1

Removed errant duplicate pin assignment

table.

Product Identification System on page

Added package with hub feature controller

disabled

DS00001855D (06-06-16)

Section 11.0, 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.

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