Products Affected

This change affects all Trenz Electronic TE0821 SoMs of revision 01 with eMMC from manufacturer ISSI:

Changes

#1 Change eMMC (U6) from IS21ES08G-JCLI / IS21ES64G-JCLI to SDINBDG4-8G-XI2 / SDINBDG4-64G-XI2

Type: BOM change
Reason: Distributor informed about unforeseeable immediate EOL of parts. No official documents form manufacturer are available. No LTB, already confirmed orders were cancelled by distributor/manufacturer. 
Impact: None. Replacement has same capacity as used on corresponding affected variant. Reference designs for vivado versions 2019.2 and 2020.2 were tested and work properly without any changes.

#2 Clock Revision Change (U11, U14) SiT8008AI-73-XXS-... to SiT8008BI-73-XXS-...

Type: BOM change
Reason: Switch to actual revision. Revision A devices may be discontinued.
Impact: None. 

#3 Change Ferrite Beads (L1, L2, L3, L4, L5, L7, L9, L10, L11, L12) BKP0603HS121-T to MPZ0603S121HT000

Type: BOM change
Reason: Part is NRND and EOL announced.
Impact: None. DC resistance decreased from 150mOhm to 130mOhm, rated current increased from 0.85A to 1A.

#4 Set S/N to not fitted

Type: BOM change
Reason: Part is end of life.
Impact: Track it pad no more available.

Method of Identification

Locate eMMC (U6) on bottom side of PCB:

Remark: 8GB versions are shown in figures above, chip marking of 64GB version looks accordingly.

Production Shipment Schedule

From end of August 2021, after old stock is gone, all variants above are replaced by the corresponding variants.