STMicroelectronics ST491ACN
STMicroelectronics
IC TXRX LP HS RS485/422 14DIP
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1 86 7365637 http://www.st.com/content/ccc/resource/technical/document/datasheet/68/98/cf/0a/52/12/41/a0/CD00003153.pdf/files/CD00003153.pdf/jcr:content/translations/en.CD00003153.pdf 7365637 14PDIP.jpg
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