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RS-422 Datasheet(PDF) 4 Page - Exar Corporation |
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RS-422 Datasheet(HTML) 4 Page - Exar Corporation |
4 / 21 page SP339E 4 RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION REV. 1.0.0 PIN DESCRIPTIONS BY MODE (MODE1, MODE0) Pin Name 00, Figure 1 01, Figure 2 10, Figure 3 11, Figure 4 21 R9 R5 Input 22 R8 R4 Input 23 GND Ground 24 R7 T3 Output 25 R6 R3 Input 26 GND Ground 27 R4 T2 Output R1 Input B 28 R3 T1 Output R2 Input A 29 GND Ground 30 R2 R2 Input R1 Input A, T1 Out A T1 Out A 31 R1 R1 Input R1 Input B, T1 Out B T1 Out B 32 VCC VCC 33 VSS VSS - Charge pump negative supply, 0.1µF from ground 34 C2- C2+ - Charge pump cap 2 negative lead 35 C1- C1- - Charge pump cap 1 negative lead 36 GND Ground 37 C1+ C1+ - Charge pump cap 1 positive lead, 0.1µF 38 VCC VCC 39 C2+ C2+ - Charge pump cap 2 positive lead, 0.1µF 40 VDD VDD - Charge pump positive supply, 0.1µF to ground |
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Similar Description - RS-422 |
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