CYUSB330x/CYUSB331x

CYUSB332x/CYUSB230x

Document Number: 001-73643 Rev. *R

Page 40 of 43

Silicon Revision History

This datasheet is applicable for the USB-IF certified (TID# 330000060) HX3 Rev. *D and Rev. *C Silicon.

Rev. *D: This Silicon revision improves the yield of HX3, and is drop-in compatible for all the part numbers. There is no need to change

the board design or layout to use the HX3 Rev. *D Silicon. Products are completely compatible with the HX3 Rev. *C Silicon.

Rev. *C: This Silicon revision fixes the errata applicable to the Rev. *A Silicon.

The following table defines the changes between Rev. *A, Rev. *C, and Rev. *D Silicon.

Method of Identification

Markings on row 3 of the HX3 package differentiate Rev. *D Silicon from Rev. *C Silicon and Rev. *A Silicon as indicated in the

example below. Cypress maintains traceability of product to wafer level, including wafer fabrication location, through the lot number

marked on the package.

No.

Items

Part Numbers

Rev. *A

Rev. *C

Rev. *D

1

USB-IF Compliance

All

Requires firmware on

external EEPROM

No external EEPROM

required

No external EEPROM

required

2

FS-only hub or host connected to

HX3 Upstream Port

All

Not supported

Supported

Supported

3

Suspend Power

All

90 mW

37.8 mW

37.8 mW

HX3 REV *A SILICON

HX3 REV *C SILICON

HX3 REV *D SILICON