DS1221
Manufacturers：
Maxim Integrated
Description：
IC CTRLR/DECODER 4BIT 16-DIP
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DS1221S
Manufacturers：
Maxim Integrated
Description：
IC CTRLR/DECODER 4BIT 16-SOIC
DS1221SN
Manufacturers：
Maxim Integrated
Description：
IC CTRLR/DECODER 4BIT IN 16-SOIC