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SP504 Datasheet(PDF) 1 Page - Exar Corporation |
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SP504 Datasheet(HTML) 1 Page - Exar Corporation |
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1 / 32 page  Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com SP504_02_2708 Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 50-668-707 • www.exar.com SP504_02_2708 The SP504 is a single chip device that supports eight (8) physical serial interface standards for Wide Area Network connectivity. The SP504 is fabricated using a low power BiCMOS process technology, and incorporates an Exar patented (5,306,954) charge pump allowing +5V only operation. Seven (7) drivers and seven (7) receivers can be configured via soft- ware for any of the above interface modes at any time. The SP504 is suitable for DTE-DCE applications. The SP504 requires only one external resistor per V.35 driver for compliant V.35 Operation. DESCRIPTION • +5V Only • Seven (7) Drivers and Seven (7) Receivers • Driver and Receiver Tri-State Control • Reduced V.35 Termination Network • Pin Compatible with the SP503 • Software Selectable Interface Modes: -RS-232E (V.28) -RS-422A (V., X.2) -RS-449 (V. & V.0) -RS-485 -V.35 -EIA-530 (V. & V.0) -EIA-530A (V. & V.0) -V.36 Driver Decode Receiver Decode Programmable Charge Pump Vss SP504 SP504 Vcc Vdd C1+ C1- C2+ C2- 22µF, 16V TxD DTR RTS RL LL RxD RxC CTS DSR DCD RI SCT TT ST 22µF, 16V 22µF, 16V 22µF, 16V SWITCHABLE V.35 TERMINATION RESISTOR NETWORKS SCT RI DCD DSR CTS RxC RxD TxD DTR RTS RL LL ST TT SP504 WAN Multi-Mode Serial Transceiver RxD 1 RDEC 0 2 RDEC 1 3 RDEC 2 4 RDEC 3 5 TTEN 6 SCTEN 7 N/C 8 TDEC 3 9 TDEC 2 10 TDEC 1 11 TDEC 0 12 DTR 13 TxD 14 TxC 15 RTS 16 RL 17 V35_STAT 18 DCD 19 RxC 20 60 GND 59 SD(b) 58 TR(a) 57 GND 56 TR(b) 55 V CC 54 RS(a) 53 GND 52 RS(b) 51 LL(a) 50 GND 49 LL(b) 48 V CC 47 RL(a) 46 GND 45 RL(b) 44 ST(b) 43 GND 42 ST(a) 41 V CC SP504 |
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