Data Sheet

5.7 Part Marking
5.7.1 AT42QT1011– 6-pin SOT23-6
1011
Pin 1 ID
Abbreviated
Part Number:
AT42QT
1011
Note: Samples of the AT42QT1011 may also be marked T10E.
5.7.2 AT42QT1011 – 8-pin UDFN/USON
Pin 1 ID
1011
Abbreviated
Part Number:
AT42QT
1011
HEC
YZZ
Pin 1
Class code
(H = Industrial,
green NiPdAu)
Die Revision
(Example: “E” shown)
Assembly Location
Code
(Example: “C”
shown)
Lot Number Trace
code (Variable text)
Last Digit of Year
(Variable text)
Note: Samples of the AT42QT1011 may also be marked T10
5.8 Part Number
Part Number Description
AT42QT1011
(1)
6-pin SOT23 RoHS compliant IC
AT42QT1011-TSHR 6-pin SOT23 RoHS compliant IC
AT42QT1011-MAH 8-pin UDFN/USON RoHS compliant IC
Notes: 1. Marking details:
Top mark 1st line: ddddTY
Top mark 2nd line: wwxxx
dddd= device, special code
T= Type
Y= Year last digit
ww= calendar workweek
xxx = trace code
AT42QT1011
© 2017 Microchip Technology Inc.
Datasheet
DS40001947A-page 23