7 marking, 140 r1x – Rainbow Electronics AT42QT1040 User Manual
Page 16
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16
9524A–AT42–03/09
AT42QT1040
5.7
Marking
Either of the following two markings may be used:
Program Week Code Number 1-52 Where:
A = 1 B = 2 ... Z = 26
then using the underscore A = 27...Z = 52
140
R1
Pin 1 ID
Code Revision:
1.0 Released
Abbreviation of
Part Number:
AT42QT
1
0
40
140
R1X
Pin 1 ID
Code Revision:
R1 = 1.0 Released
Abbreviation of
Part Number:
AT42QT
1
0
40
Traceability Code
(Y = last digit of year; for example, 9 = 2009, 0 = 2010, etc
ZZ = assembly trace code)
Assembly
Location Code
YZZ
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