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SP504 Datasheet(PDF) 29 Page - Sipex Corporation |
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SP504 Datasheet(HTML) 29 Page - Sipex Corporation |
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29 / 31 page ![]() 29 Rev: A Date:1/27/04 SP504 Multi–Mode Serial Transceivers © Copyright 2004 Sipex Corporation Figure 29. Adding extra differential and single-ended transceivers using the SP332 22µF22µF 22µF 25 27 26 30 28 31 32 1N5819 VCC VDD C1- C2- VSS C1+ C2+ 22µF 61 59 +5V SP504CF Drivers TxD 14 58 56 DTR 13 54 52 RTS 16 63 65 TxC 15 42 44 ST 22 47 45 RL 17 51 49 LL 24 70 71 RxD 1 37 38 RxC 20 66 67 CTS 80 68 69 DSR 78 35 36 DCD 19 39 40 RI 21 76 77 SCT 79 Receivers TDEC3—TDEC0 (pins 9-12) +5V 5 VCC 10µF SP332 28 8 21 4 3 18 17 9 12 11 13 10 14 V+ V- C1+ C1- C2+ C2- 0.1µF 0.1µF 0.1µF 0.1µF SEL A SEL B 24 2 see pinout diagram for various ground pins 10µF 6 7 26 27 15 16 19 20 T1 T2 T3 R1 R2 R3 0 1 LOOPBACK 1 23 4 22 12 30 7 25 17 35 6 24 8 26 9 27 11 29 13 31 15 5 23 DB-37 Connector 34 16 RDEC3—RDEC0 (pins 5-2) "1100" for RS-449 mode 10 14 18 LL RL TM Note: The SP332 will require clamping di- odes on the driver outputs to limit the volt- age to ±6V and comply with the RS-423 driver output specification of V OC = ±4V to ±6V and V OUT ≥ ±3.6V with a 450Ω load. |
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