How to Determine Silicon Revision =========== # Using Device Part Markings Device part markings can be used to determine the device number as well as the silicon revision number. <img src="images/device_package_markings.png" width="300"/> * **Line 1** represents the device number (ex: IWR1443, IWR1843, or IWR6843) * **Line 4** contains information relating the silicon revision (ES) number . For your device number, reference the tables below to determine the version. ### For IWR1443 Line 4 reads: | Silicion Revision --------------|------------------- 964 | ES1.0 964D | ES2.0 964FC | ES3.0 See [IWR1443 Device Errata](http://www.ti.com/lit/pdf/swrz074) for more details. ### For IWR1642 Line 4 reads: | Silicion Revision --------------|------------------- 502 | ES1.0 502AC | ES2.0 See [IWR1642 Device Errata](http://www.ti.com/lit/pdf/swrz073) for more details. ### For IWR1843 Line 4 reads: | Silicion Revision --------------|------------------- 502AC | ES1.0 See [IWR1843 Device Errata](http://www.ti.com/lit/pdf/swrz093) for more details. ### For IWR6843 Line 4 reads: | Silicion Revision --------------|------------------- 60 GHZi | ES1.0 678A | ES2.0 See [IWR6843 Device Errata](http://www.ti.com/lit/pdf/swrz087) for more details.