Part Number
    Please enter a valid full or partial manufacturer part number with a minimum of 3 letters or numbers

    SP3490 Search Results

    SP3490 Datasheets (20)

    Select Manufacturer
    Part ECAD Model Manufacturer Description Datasheet Type PDF PDF Size Page count
    SP3490
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 141.87KB 11
    SP3490CN
    Sipex +3.3 V Low Power Full Duplex RS-485 Transceiver with 10 Mbps Data Rate Original PDF 124.29KB 11
    SP3490CN
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 141.87KB 11
    SP3490CN-L
    Exar Interface - Drivers, Receivers, Transceivers, Integrated Circuits (ICs), IC TXRX RS485 FULL DUPLEX 8NSOIC Original PDF 12
    SP3490CN-L
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 124.29KB 11
    SP3490CN-L/TR
    Exar Interface - Drivers, Receivers, Transceivers, Integrated Circuits (ICs), IC TXRX RS485 FULL DUPLEX 8NSOIC Original PDF 12
    SP3490CN-L/TR
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 124.29KB 11
    SP3490CN/TR
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 124.29KB 11
    SP3490CP
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 141.87KB 11
    SP3490CP
    Sipex +3.3 V Low Power Full Duplex RS-485 Transceiver with 10 Mbps Data Rate Original PDF 124.29KB 11
    SP3490EN
    Sipex +3.3 V Low Power Full Duplex RS-485 Transceiver with 10 Mbps Data Rate Original PDF 124.29KB 11
    SP3490EN
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 141.87KB 11
    SP3490EN-L
    Exar Interface - Drivers, Receivers, Transceivers, Integrated Circuits (ICs), IC TXRX RS485 FULL DUPLEX 8NSOIC Original PDF 12
    SP3490EN-L
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 124.29KB 11
    SP3490EN-L/TR
    Exar Interface - Drivers, Receivers, Transceivers, Integrated Circuits (ICs), IC TXRX RS485 FULL DUPLEX 8NSOIC Original PDF 12
    SP3490EN-L/TR
    MaxLinear Integrated Circuits (ICs) - Interface - Drivers, Receivers, Transceivers - IC TXRX RS485 FULL DUPLEX 8SOIC Original PDF 472.43KB
    SP3490EN-L/TR
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 124.29KB 11
    SP3490EN/TR
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 124.29KB 11
    SP3490EP
    Sipex +3.3 V Low Power Full Duplex RS-485 Transceiver with 10 Mbps Data Rate Original PDF 124.29KB 11
    SP3490EP
    Sipex +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Original PDF 141.87KB 11
    SF Impression Pixel

    SP3490 Price and Stock

    Select Manufacturer

    Sipex Corporation SP3490EP-L

    SP3490EP-L
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Verical SP3490EP-L 3,561 561
    • 1 -
    • 10 -
    • 100 -
    • 1000 $0.62
    • 10000 $0.55
    Buy Now
    Rochester Electronics SP3490EP-L 3,561 1
    • 1 -
    • 10 -
    • 100 $0.59
    • 1000 $0.49
    • 10000 $0.44
    Buy Now

    MaxLinear Inc SP3490EN-L/TR

    RS485/RS422 Transceiver, Full Duplex, 1 TX, 1 RX, 3 V to 3.6 V, 8 Pins, NSOIC - Tape and Reel (Alt: SP3490EN-L/TR)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas SP3490EN-L/TR Tape & Reel 2,500 32 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.90
    Buy Now
    TME SP3490EN-L/TR 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.97
    Get Quote
    Avnet Asia SP3490EN-L/TR 32 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Avnet Silica SP3490EN-L/TR 13 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    MaxLinear Inc SP3490CN-L/TR

    RS485/RS422 Transceiver, Full Duplex, 1 TX, 1 RX, 3 V to 3.6 V, 8 Pins, NSOIC - Tape and Reel (Alt: SP3490CN-L/TR)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas SP3490CN-L/TR Tape & Reel 2,500 32 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.85
    Buy Now
    TME SP3490CN-L/TR 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 $0.95
    Get Quote
    Avnet Asia SP3490CN-L/TR 32 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote
    Avnet Silica SP3490CN-L/TR 13 Weeks 2,500
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Get Quote

    MaxLinear Inc SP3490EN-L

    RS485/RS422 Transceiver, Full Duplex, 1 TX, 1 RX, 3 V to 3.6 V, 8 Pins, NSOIC - Rail/Tube (Alt: SP3490EN-L)
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Avnet Americas SP3490EN-L Tube 134 32 Weeks 98
    • 1 -
    • 10 -
    • 100 $1.09
    • 1000 $1.01
    • 10000 $0.92
    Buy Now
    TME SP3490EN-L 1
    • 1 $1.51
    • 10 $1.36
    • 100 $1.20
    • 1000 $1.20
    • 10000 $1.20
    Get Quote
    Avnet Silica SP3490EN-L 686 13 Weeks 98
    • 1 -
    • 10 -
    • 100 -
    • 1000 -
    • 10000 -
    Buy Now

    Exar Corporation SP3490EN-L/TR

    Single Transmitter/Receiver RS-422/RS-485 8-Pin SOIC N T/R
    Distributors Part Package Stock Lead Time Min Order Qty Price Buy
    Bristol Electronics SP3490EN-L/TR 114 1
    • 1 $1.89
    • 10 $1.42
    • 100 $1.17
    • 1000 $1.17
    • 10000 $1.17
    Buy Now
    Quest Components () SP3490EN-L/TR 91
    • 1 $2.85
    • 10 $2.85
    • 100 $1.57
    • 1000 $1.57
    • 10000 $1.57
    Buy Now
    SP3490EN-L/TR 91
    • 1 $2.52
    • 10 $2.52
    • 100 $0.95
    • 1000 $0.95
    • 10000 $0.95
    Buy Now
    Win Source Electronics SP3490EN-L/TR 18,340
    • 1 -
    • 10 -
    • 100 $0.71
    • 1000 $0.47
    • 10000 $0.47
    Buy Now

    SP3490 Datasheets Context Search

    Catalog Datasheet Type Document Tags PDF

    SN7517

    Abstract: SP3490 LTC490 LTC491 SN75179 SN75180 SP3491 SP490 SP491 EXAR Function generator
    Contextual Info: SP3490/SP3491 +3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate • Full-Duplex RS-485 and RS-422 Transceivers • Operates from a single +3.3V Supply • Interoperable with +5.0V logic • Driver/Receiver Tri-state Enable Lines SP3491


    Original
    sp3490/sp3491rs-48510mbpsrs-422+11sp3491/-200mvltc490sn75179sp3490sn7517ltc491sn75180sp490sp491exar function generator PDF

    nc1r

    Abstract: sn75180 LTC490 LTC491 SN75179 SP3490 SP3491 SP490 SP491
    Contextual Info: SP3490/SP3491 +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Driver/Receiver Tri-state Enable Lines SP3491


    Original
    sp3490/sp3491rs-48510mbpsrs-422+10sp3491200mvltc490sn75179sp3490nc1rsn75180ltc491sp490sp491 PDF

    sn75180

    Abstract: SN75179 SP3490 SP3491 SP490 SP491 LTC490 LTC491 sp3490e nc1r
    Contextual Info: SP3490/SP3491 SIGNAL PROCESSING EXCELLENCE +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Driver/Receiver Tri-state Enable


    Original
    sp3490/sp3491rs-48510mbpsrs-422+11sp3491200mvltc490sn75179sp3490sn75180sp490sp491ltc491sp3490enc1r PDF

    Contextual Info: SP3490/SP3491 +3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate • Full-Duplex RS-485 and RS-422 Transceivers • Operates from a single +3.3V Supply • Interoperable with +5.0V logic • Driver/Receiver Tri-state Enable Lines SP3491


    Original
    sp3490/sp3491rs-48510mbpsrs-422+5sp3491/-200mvltc490sn75179sp3490 PDF

    Contextual Info: SP3490/SP3491 +3.3V Low Power Full Duplex RS-485 Transceivers • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Driver/Receiver Tri-state Enable Lines SP3491 ■ -7V to +12V Common-Mode Input


    OCR Scan
    sp3490/sp3491rs-485rs-422sp3491+5ltc490sn75179sp3490ltc491sn75180 PDF

    Contextual Info: SP3490/SP3491 | +3.3V Low Power Full Duplex RS-485 Transceivers j • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Driver/Receiver Tri-state Enable Lines SP3491 ■ -7V to +12V Common-Mode Input


    OCR Scan
    sp3490/sp3491rs-485rs-422sp3491+5ltc490sn75179sp3490ltc491sn75180 PDF

    nc1r

    Abstract: sn75179 SP3491 SN75179 application LTC490 LTC491 SN75180 SP3490 SP490 SP491
    Contextual Info: SP3490/SP3491 +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Driver/Receiver Tri-state Enable Lines SP3491


    Original
    sp3490/sp3491rs-48510mbpsrs-422+11sp3491200mvltc490sn75179sp3490nc1rsn75179 applicationltc491sn75180sp490sp491 PDF

    Contextual Info: SP3490/SP3491 +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate features description • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a Single +3.3V Supply ■ Interoperable with +5.0V Logic ■ Driver/Receiver Tristate


    Original
    sp3490/sp3491rs-48510mbpsrs-422+5sp3491200mvltc490sn75179sp3490 PDF

    SN7517

    Abstract: SN751 946610 3491C
    Contextual Info: SP3490/SP3491 Ü J +3.3V Low Power Full Duplex] RS-485 Transceivers J • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Driver/Receiver Tri-state Enable Lines SP3491 ■ -7V to +12V Common-Mode Input


    OCR Scan
    sp3490/sp3491rs-485rs-422sp3491+9200mvltc490sn75179sp3490ltc491sn7517sn7519466103491c PDF

    Contextual Info: SP3490/SP3491 +3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate • Full-Duplex RS-485 and RS-422 Transceivers • Operates from a single +3.3V Supply • Interoperable with +5.0V logic • Driver/Receiver Tri-state Enable Lines SP3491


    Original
    sp3490/sp3491rs-48510mbpsrs-422+5sp3491/-200mvltc490sn75179sp3490 PDF

    SN75179 application

    Abstract: rs 485 multidrop full duplex
    Contextual Info: SP3490 -3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate Home About Us News Careers Investors Page 1 of 1 Contact Quality PartnerNet Search Enter Keywords Communications Networking Storage Login Interface Power 9/21/2010 Exar Showcases New Power Management and Interface


    Original
    sp3490rs-48510mbpsrs485+4rs-422ani-13sn75179 applicationrs 485 multidrop full duplex PDF

    sipex sp491

    Abstract: SP3490 LTC490 LTC491 SN75179 SN75180 SP3491 SP490 SP491
    Contextual Info: Back SP3490/SP3491 +3.3V Low Power Full Duplex RS-485 Transceivers • Full Duplex RS-485 and RS-422 Transceivers ■ Operates from a single +3.3V supply ■ Interoperable with +5.0V logic ■ Driver/Receiver Tri-state Enable Lines SP3491 ■ -7V to +12V Common-Mode Input


    Original
    sp3490/sp3491rs-485rs-422sp3491+9200mvltc490sn75179sp3490ltc491sipex sp491sn75180sp490sp491 PDF

    5V and 12V RS-232, 2 Drivers, 2 Receivers

    Abstract: capacitor cross reference voltage regulator 5 pin SPX29302U5 RS-485 maxim MAX3491EESA DS26LS31TM LP2950ACN-5.0 LP2950CZ-3.3 equivalent AAT4625
    Contextual Info: Product Cross Reference Guide January 2004 2004 Sipex Cross Reference Guide Table of Contents Manufacturers Analog Devices AnalogicTech Astec Bay Linear Cal Logic Dallas Semiconductor Exar Fairchild Harris International Rectifier Intersil Linear Technology


    Original
    ot-23tps61040sp6690tps61040dbv+13sp4446ektps61041sp44465v and 12v rs-232, 2 drivers, 2 receiverscapacitor cross referencevoltage regulator 5 pinspx29302u5rs-485 maximmax3491eesads26ls31tmlp2950acn-5.0lp2950cz-3.3 equivalentaat4625 PDF

    SP3070

    Abstract: 3074E 75176 applications notes 75179 8 pin diagram of max 485 SP3070E SP3071E SP3078EEN-L SP3485 SP3072E
    Contextual Info: SP3070E - SP3078E Family ±15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe RS-485/RS422 Transceivers Features • ±15kV ESD protection for RS485 pins ■ 3.3V low-power operation ■ Advanced Receiver-failsafe protection for open, shorted or terminated lines


    Original
    sp3070esp3078ers-485/rs422rs485+13sp3070e-72e250kbpssp3073e-75esp3070e-sp3078esp30703074e75176 applications notes751798 pin diagram of max 485sp3071esp3078een-lsp3485sp3072e PDF

    FSQ510 Equivalent

    Abstract: BTA12 6008 bta16 6008 ZIGBEE interface with AVR ATmega16 Precision triac control thermostat thyristor t 558 f eupec gw 5819 diode transistor a564 A564 transistor BSM25GP120 b2
    Contextual Info: SEMICONDUCTORS MCU/MPU/DSP Atmel. . . . . . . . . 167, 168, 169, 170, 171, 172 Blackhawk. . . . . . . . . . . . . . . . . . . . . . . . . 173 Cyan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174 Cypress. . . . . . . . . . . . . . . 175, 176, 177, 178


    Original
    gp-20fsq510 equivalentbta12 6008bta16 6008+7zigbee interface with avr atmega16precision triac control thermostatthyristor t 558 f eupecgw 5819 diodetransistor a564a564 transistorbsm25gp120 b2 PDF

    Arduino Mega2560

    Abstract: 13001 S 6D TRANSISTOR arduino uno rev 3 agilent optical encoder 9988 MZ 13001 TRANSISTOR arduino mega 2650 skiip 613 gb 123 ct arduino sound sensor module pic arduino nano mc34063l
    Contextual Info: ND3% BASE1 XXXX2108-0010-1-P 10 TSQ: 3001 CMS: CMS-USM TS host OP: NN COMP: 15-07-11 Hour: 13:07 TS:TS date TS time MCUS, MPUS, DSPS & DEVELOPMENT TOOLS Find Datasheets Online 8-BIT MCUS & DEVELOPMENT TOOLS 1 PSoC 3 DEVELOPMENT KITS ARDUINO MCU DEVLOPMENT PLATFORM


    Original
    cy8c38cy8c29incl79512t9797+1612t980412t980312t980012t980212t980112t9805arduino mega256013001 s 6d transistorarduino uno rev 3agilent optical encoder 9988mz 13001 transistorarduino mega 2650skiip 613 gb 123 ctarduino sound sensor module picarduino nanomc34063l PDF

    26Lv31

    Abstract: SP483ECN RX2 8pin DIAGRAM sn75179 SN75179 application D01B sp3490 loopback IC 75176 block diagram SP483ECP SP485ES
    Contextual Info: SP3238E Intelligent +3.0V to +5.5V RS-232 Transceivers features description • Meets True EIA/TIA-232-F Standards from a +3.0V to +5.5V Power Supply ■ Interoperable with EIA/TIA-232 and Adheres to EIA/TIA-562 Down to a +2.7V Power Source ■ Circuitry Automatically Wakes


    Original
    sp3238ers-232eia/tia-232-feia/tia-232+13eia/tia-562250kbpsiec1000-4-226lv31sp483ecnrx2 8pin diagramsn75179sn75179 applicationd01bsp3490 loopbackic 75176 block diagramsp483ecpsp485es PDF

    SN75179 application

    Abstract: sn75180 RS-485 pinout data SP3485 LTC486 LTC487 SN75172 SN75174 SP3481 SP3486
    Contextual Info: +3.3V Low Power RS-485/RS-422 Line Receivers/Tranceivers SP3481/SP3485 +3.3V Low Power Half-Duplex RS-485 Transceivers • Driver/Receiver Enable • Low Power Shutdown Mode SP3481 • Allows up to 32 transceivers on the serial bus • Compatibility with the industry standard 75176 pinout


    Original
    rs-485/rs-422sp3481/sp3485rs-485sp3481+10sp3486sp3487ltc486sn75179 applicationsn75180rs-485 pinout datasp3485ltc487sn75172sn75174 PDF

    cel8240

    Abstract: CEL8240HF10LX CEL8240HF10LXC SP3483CN-L SP3082EEN-L CEL8240HF10 QMI519 XR3178EID-F XR3175EID-F SP483EEN-L/TR
    Contextual Info: PRODUCT CHANGE NOTICE PCN PART NUMBER(S): PCN No.: 10-0311-01 Refer to Attachment 1 DATE: March 23, 2010 PART DESCRIPTION: See www.exar.com LEVEL OF CHANGE: [ ] Level I, Customer Approval. [X] Level II, Customer Information. PRODUCT ATTRIBUTE AFFECTED: [ ]


    Original
    xr3177eid-fxr3177eidtr-fxr3172eid-fxr3172eidtr-f+14xr3175eid-fxr3175eidtr-fxr3178eid-fxr3178eidtr-fxr5487eid-fxr5487eidtr-fcel8240cel8240hf10lxcel8240hf10lxcsp3483cn-lsp3082een-lcel8240hf10qmi519sp483een-l/tr PDF

    Ablebond 84-1*SR4

    Abstract: Ablebond 84-1LMISR4 ablebond 8290 84-1lmisr4 Ablebond SUMITOMO g600 Sumitomo 6730B SP491ECN-L SP3232EEN-L sp26lv431
    Contextual Info: PRODUCT CHANGE NOTICE PCN PART NUMBER(S): PCN No.: 09-0911-01 REFER TO ATTACHMENT A DATE: December 7, 2009 PART DESCRIPTION: See www.exar.com LEVEL OF CHANGE: [ ] Level I, Customer Approval. [X ] Level II, Customer Information. PRODUCT ATTRIBUTE AFFECTED:


    Original
    soicn-14soicn-166730b-l84-1lmisr4+14abl691aen-l/trsp26lv432cn-lsp26lv432cn-l/trsp26lv431cn-lsp26lv431cn-l/trablebond 84-1*sr4ablebond 84-1lmisr4ablebond 8290ablebondsumitomo g600sumitomo 6730bsp491ecn-lsp3232een-lsp26lv431 PDF

    ZT213LEEA

    Abstract: ZT232LEEN ZT202leen zt3243lfey ZT3232LEEY zt3243leea zt3243 ZT3232LEEN ZT213LEE ZT232
    Contextual Info: Manufacturer Comp P/N Zywyn P/N Family Description Package Cross Type Aimtron AT1308 ZD1937LB5 LED drive high efficiency inductor based step-up converter for WLED 5 SOT23 Aimtron AT1312 ZD1637LB5 LED drive 1W PWM step-up DC/DC controller 5 SOT23 Add Microtech Corp


    Original
    at1308zd1937lb5at1312zd1637lb5+16amc7123zd3202leu125maamc7150zd860leyadm1181aanzzt213leeazt232leenzt202leenzt3243lfeyzt3232leeyzt3243leeazt3243zt3232leenzt213leezt232 PDF

    1A145-016V-001RG\TR

    Abstract: 1N478A.TR RB070M-30 TR SP6654 SP208EH SP26LV432 SP26LV431 SPX29152
    Contextual Info: February 28, 2007 Dear Valued Exar Customer: The purpose of this letter is to formally announce Exar’s plan to obsolete products which have had little to zero demand over the last 24 months. Attached you will find two lists: List 1 – includes those devices that we have been supplying in either traditional tin/lead or lead-free lead


    Original
    spx385m1-1-2spx3940au-1-8spx3940au-2-5spx3940au-5-0+14spx3940au-l-1-8spx3940u-2-5spx3940u-3-3spx3940u-l-5-0spx4041mspx4041m-l1a145-016v-001rg\tr1n478a.trrb070m-30 trsp6654sp208ehsp26lv432sp26lv431spx29152 PDF

    75179

    Abstract: MAX348 75176
    Contextual Info: SP3493/SP3494 +3.3V Low Power Slew Rate Limited RS-485/RS-422 Transceivers features description • Operates From a Single +3.3V Supply ■ Interoperable with +5V Logic ■ +200mV Receiver Input Sensitivity ■ Slew-Rate Limited for Errorless Data Transmission to 250kbps


    Original
    sp3493/sp3494rs-485/rs-422200mv250kbps+8sp3494max3488ltc490sp3493max348675179max34875176 PDF

    SP3070E

    Abstract: SP3071E SP3072E SP3074E SP3075E SP3077E SP3078E
    Contextual Info: SP3070E - SP3078E Family ±15kV ESD-Protected, 3.3V, 1/8 Load, Failsafe RS-485/RS422 Transceivers Features • ±15kV ESD protection for RS485 pins ■ 3.3V low-power operation ■ Advanced Receiver-failsafe protection for open, shorted or terminated lines


    Original
    sp3070esp3078ers-485/rs422rs485+9sp3070e-72e250kbpssp3073e-75esp3070e-sp3078esp3071esp3072esp3074esp3075esp3077e PDF