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2 Nomenclature, Package Symbolization, and Revision Identification
2.1 Device and Development Support Tool Nomenclature
To designate the stages in the product development cycle, TI assigns prefixes to the part numbers of all TMS320
MCU devices and support tools. Each TMS320
™
MCU commercial family member has one of three prefixes:
TMX, TMP, or TMS (for example,
TMS
320F280049). Texas Instruments recommends two of three possible prefix
designators for its support tools: TMDX and TMDS. These prefixes represent evolutionary stages of product
development from engineering prototypes (with TMX for devices and TMDX for tools) through fully qualified
production devices and tools (with TMS for devices and TMDS for tools).
Device development evolutionary flow:
TMX
Experimental device that is not necessarily representative of the final device's electrical specifications and
may not use production assembly flow.
TMP
Prototype device that is not necessarily the final silicon die and may not necessarily meet final electrical
specifications.
TMS
Production version of the silicon die that is fully qualified.
Support tool development evolutionary flow:
TMDX
Development-support product that has not yet completed Texas Instruments internal qualification testing.
TMDS
Fully-qualified development-support product.
TMX and TMP devices and TMDX development-support tools are shipped against the following disclaimer:
"Developmental product is intended for internal evaluation purposes."
Production devices and TMDS development-support tools have been characterized fully, and the quality and
reliability of the device have been demonstrated fully. TI's standard warranty applies.
Predictions show that prototype devices (X or P) have a greater failure rate than the standard production
devices. Texas Instruments recommends that these devices not be used in any production system because their
expected end-use failure rate still is undefined. Only qualified production devices are to be used.
TI device nomenclature also includes a suffix with the device family name. This suffix indicates the package type
(for example, PZ) and temperature range (for example, S).
2.2 Devices Supported
This document supports the following devices:
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Nomenclature, Package Symbolization, and Revision Identification
4
TMS320F28004x Real-Time MCUs Silicon Errata
Silicon Revisions B, A, 0
SPRZ439G – JANUARY 2017 – REVISED AUGUST 2022
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