JAJSTJ4A June 2022 – March 2024 TMS570LC4357-SEP
PRODUCTION DATA
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To designate the stages in the product development cycle, TI assigns prefixes to the part numbers of all devices. Each commercial family member has one of three prefixes: TMX, TMP, or TMS. These prefixes represent evolutionary stages of product development from engineering prototypes (TMX) through fully qualified production devices (TMS).
Device development evolutionary flow:
TMX and TMP devices are shipped against the following disclaimer:
"Developmental product is intended for internal evaluation purposes."
TMS devices 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 (TMX or TMP) 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.
Figure 10-1 shows the numbering and symbol nomenclature for the TMS570LC4357-SEP.