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Process Change Notice #1611215
W7206F1 Process Change Notice Form rev AAB
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PCN Issue Date: 11/21/2016
Effective Date: 2/24/2017
Title: CP2102N Datasheet and Errata update
☐ Product Revision
Last Order Date: NA
Description of Change:
Silicon Labs is pleased to announce the following datasheet update:
The CP2102N data sheet was updated from Revision 1.0 to Revision 1.1.
Updated the minimum Operating Supply Voltage on VDD to 3.0 V in 1. Feature List and Ordering
Information, 3.1.1 Recommended Operating Conditions, 3.1.4 Configuration Memory, and Figure
2.3 Connection Diagram with Voltage Regulator Not Used on page 3.
Updated 4.3.6 Clock Output (CLK) to specify that the clock is not present when the device is in
Updated QFN24 bottom pad label to GND instead of VSS.
Adjusted D, E, and aaa in QFN28 Package Dimensions.
Adjusted D, E, and L in QFN24 Package Dimensions.
Silicon Labs is also pleased to announce the following Errata update:
The CP2102N A01 errata includes the following errata for A01 revision. These issues will be solved in
A01 devices with a date code of 1639 or later.
Systems using CP2102N may see devices fail to respond until a power-on reset. If a device fails
to respond properly, remove and replace power until the device properly responds. Devices with a
date code of 1639 or later will not have this issue.
CP2102N devices can fail to notify the host of an error flag if an error occurs while the host is
reading the UART status. Devices with a date code of 1639 or later will not have this issue.
Devices may draw additional current on the order of normal operation mode when not connected
to USB and in the self-powered configuration. The devices may not enter suspend mode properly
if the USB host if disconnected. This issue is fixed in devices with a date code of 1639 or later.
Reason for Change:
Silicon Labs has announced an errata document and updated datasheet for CP2102N A01 devices.
Please visit www.silabs.com for more information.
Impact on Form, Fit, Function, Quality, Reliability:
This change is considered a minor change which does not affect form, fit, function, quality, or
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