IEC 60148:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Letter symbols for semiconductor devices and integrated microcircuits
Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users
01-04-1995
English - French
01-01-1969
148A FIRST SUPPLEMENT 1974 148B SECOND SUPPLEMENT 1979 Provides a uniform system of letter symbols to be used in the semiconductor device and integrated microcircuit fields.
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