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Part Number DS7820
Description Dual Line Receiver
Info DS7820 DS8820 Dual Line Receiver February 1996 D.
Manufacture National Semiconductor
for PC Download DS7820 Datasheet



Part Number DS7820A
Description Dual Line Receiver
Info DS7820A/DS8820A Dual Line Receiver May 1999 DS78.
Manufacture National Semiconductor
for PC Download DS7820A Datasheet



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