2015-2017 Microchip Technology Inc.
DS00001855E-page 43
USB5744
APPENDIX A:
DATA SHEET REVISION HISTORY
TABLE A-1:
REVISION HISTORY
Revision Level & Date
Section/Figure/Entry
Correction
DS00001855E (02-10-17)
Removed errant duplicate pin assignment
table.
Product Identification System on page
46
Added package with hub feature controller
disabled
DS00001855D (06-06-16)
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.
“100kHz Standard Mode (Sm)” updated to
“400kHz Fast Mode (Fm)”, since the device
supports up to 400kHz I
2
C 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”
to
“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)
C-350ppm t +-100 ppm
Assignments"Table 3-1, "56-VQFN
Pin Assignments"
Modified pin 32 from “PRT_CTL4/
GANG_PWR” to “PRT_CTL4/GANG_PWR”
Table 3-4, "USB Port Control Pin
Descriptions"
Revised description of Pin 1,
GANG_PWR
and
throughout document
Replaced the term Hub Controller with Hub
Feature Controller, added definition in
.
Section 6.1.2, SMBus Accessible
Functions
Added web link to AN1903
Removed PortMap feature throughout docu-
ment.
Table 3-6, "Miscellaneous Pin
Descriptions"
Modified RESET_N pin description
