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Part Number DS89C21
Description Differential CMOS Line Driver and Receiver Pair
Info DS89C21 Differential CMOS Line Driver and Receiver.
Manufacture National Semiconductor
for PC Download DS89C21 Datasheet



Part Number DS89C21
Description DS89C21 Differential CMOS Line Driver and Receiver Pair (Rev. C)
Info .
Manufacture ETCTI
for PC Download DS89C21 Datasheet



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