sp336e Exar Corporation, sp336e Datasheet
sp336e
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sp336e Summary of contents
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... MODE pins. The device can implement a dual- mode serial port, mixed mode ports interface signal translator. The Exar charge pumps deliver true RS-232 driver output voltages from a single power supply at either 3.3V or 5V. The SP336E requires only four 0.1μF capacitors for charge pump. A slew rate control pin configures driver outputs for either high data rate or slew-controlled data rates ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER RS-232 A IGURE YPICAL PPLICATION C IRCUIT 2 REV. 1.0.0 ...
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... C1+ V+ C2+ C1- C2- V- ORDERING INFORMATION P N ART UMBER SP336ECT-L SP336ECY-L SP336EET-L SP336EEY SP336E 7 22 SOIC/ TSSOP PERATING P ACKAGE R 28-pin SOIC-W 0°C to +70°C 28-pin TSSOP 0°C to +70°C 28-pin SOIC-W -40° ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER RS-485 A IGURE YPICAL PPLICATION C IRCUIT 4 REV. 1.0.0 ...
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... High Impedance. I Mode Configuration pin 2. I Mode Configuration pin 0. I Slew Rate Control. Logic Low input will limit driver slew from either RS-232 or RS-485 to 250kbps Driver Input. 5 SP336E ESCRIPTION - ULL UPLEX ALF UPLEX T3 Driver Enable Active High, R3 Enable Active Low. ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER Pin Assignments UMBER IN AME 27 T2_In 28 T3_In Pin type: I=Input, O=Output, Pwr=Power supply, Pmp = Charge pump. D YPE INGLE NDED ULL I T2 Driver Input. T1 Driver Enable Active I T3 Driver Input. 6 REV. 1.0.0 ESCRIPTION ...
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... PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER REV. 1.0.0 MODE CONFIGURATION O : PERATION M (M0, M1, M2) ODE RS-232 M ODE 4T/4R RS-232 001 7 SP336E IXED ROTOCOL ULL UPLEX 2T/2R RS-232 & 1T/1R RS-485 011 ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER MODE CONFIGURATION (CONTINUED PERATION (M0, M1, M2) ODE P S OWER HUTDOWN H AT IGH IMPEDANCE 111 8 REV. 1.0.0 RS-485/RS-422 F D ULL UPLEX 2T/2R RS-485 101 ...
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... PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER REV. 1.0.0 MODE CONFIGURATION (CONTINUED PERATION OOP TXO UT AND M (M0, M1, M2) ODE TXI RXO ACK RXI IGH MPEDANCE 000 9 SP336E IXED ROTOCOL ALF UPLEX 2T/3R RS-232 & 1T/1R RS-485 010 ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER MODE CONFIGURATION (CONTINUED PERATION OW D RIVERS AT M (M0, M1, M2) ODE , OWER CTIVE H I IGH MPEDANCE 110 10 REV. 1.0.0 RS-485/RS-422 H D ALF UPLEX 4T/2R RS-485 & 2R RS-232 100 ...
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... MAX TYP NITS Load, MODE = 001. 6 Load, MODE = 101. μ MODE = 111. A 2.0 V Vcc = 3.3V. 2.4 V Vcc = 5.0V. 0.8 V μ +/-15 A 0.5 V Vcc OUT 0.6 0 OUT +/-20 +/- < Vo < Vcc. 11 SP336E . T YPICAL VALUES ARE AT C ONDITIONS = -1.5mA. = 2.5mA. ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER +3.3V +/-5% NLESS OTHERWISE NOTED 3.3V + YMBOL ARAMETERS I Receiver Output Leakage Current OZ SINGLE-ENDED RECEIVER INPUTS (RS-232) Input Voltage Range Input Threshold Low Input Threshold HIGH Input Hysteresis Input Resistance DIFFERENTIAL RECEIVER INPUTS (RS-485 / RS-422) ...
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... Figures 7 and 8. 900 ns Figures 9, 10, 11 and 12. 900 ns Figures 9, 10, 11 and 12. 150 ns Figures 13 and 14 Figures 15 and 16 Figures 15 and 17 Figures 15 and 18. 13 SP336E . T YPICAL VALUES ARE AT C ONDITIONS = 3kΩ 1000pF 150pF. = 150pF. Ω =25° Ω 150pF to 1000pF 3kΩ 250pF ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER +3.3V +/-5% NLESS OTHERWISE NOTED 3.3V + YMBOL ARAMETERS t Receiver Output Low to Disable LZ RS-485/RS-422 (SLEW = Vcc, 10Mbps, ONE TRANSMITTER SWITCHING) Maximum Data Rate Differential Output Propagation DPHL DPLH Delay Time ...
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... PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER REV. 1.0.0 1.0 FUNCTION TABLES The SP336E drivers and receivers may be configured to operate as either standard RS-485/RS-422 or RS-232 devices. RS-485/RS422 drivers have differential outputs and receivers have differential inputs. RS-232 drivers and receivers are single-ended with inverting outputs. ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER F 4. RS-485 IGURE RIVER EST RS-485 D C IGURE RIVER OMMON Vcc F 6. RS-485 D O IGURE RIVER UTPUT Vcc Vcc C IRCUIT ODE ...
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... ELAY EST IRCUIT 54Ω 3.3V IAGRAM Vcc PLH PHL 1/ DPLH DPHL 90% 10 SKEW DPLH DPHL ISABLE EST IRCUIT Vcc 50pF L 50Ω 17 SP336E C L 50pF Vcc/2 1/2V O 90% 10 OUT R = 500Ω L ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER F 10. RS-485 D E IGURE RIVER NABLE AND DE OUT F 11. RS-485 D E IGURE RIVER NABLE AND GENERATOR F 12. RS-485 D E IGURE RIVER NABLE AND DE OUT ISABLE IMING IAGRAM t DZH Vcc)/ ...
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... RS-485 R E IGURE ECEIVER NABLE AND S3 1.5V -1.5V GENERATOR ELAY EST IRCUIT A OUT 15pF ELAY IMING IAGRAM t PHL 1. ISABLE IMES EST IRCUIT OUT A 1kΩ 15pF L 50Ω 19 SP336E +1V -1V t PLH Vcc S2 ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER F 16. RS-485 R E IGURE ECEIVER NABLE AND S1 is open closed 1.5V RE OUT F 17. RS-485 R E IGURE ECEIVER NABLE AND S1 is closed open -1.5V RE OUT ISABLE IMES IMING IAGRAM 3V 1. ...
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... S1 is closed open -1.5V RE OUT F 20. RS-232 D O IGURE RIVER UTPUT GENERATOR ISABLE IMES IMING IAGRAM 1. ISABLE IMES IMING IAGRAM 3V 1. 0.25V LEW ATE EST IRCUIT 50Ω 21 SP336E OUT R L ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER F 21. RS-232 D O IGURE RIVER UTPUT Input OUT 22. RS-232 R P IGURE ECEIVER ROPAGATION GENERATOR F 23. RS-232 R P IGURE ECEIVER ROPAGATION 1.5V Input OUT LEW ATE IMING IAGRAM t t THL ELAY ...
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... REV. 1.0.0 2.0 SUGGESTED APPLICATION DIAGRAMS The SP336E supports all signals used in RS-232 over an 8 pin modular jack (RJ-45) as defined in TIA/EIA- 561. For DTE serial port only three drivers are required. Driver_1 is not used in this configuration and its driver input should be tied to high or low. ...
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... On a half-duplex channel RxD should be held in MARK state (binary 1) when receiver 3 is inactive. Driver 1 on the SP336E can be used to generate DSR or CTS signal to indicate to the host terminal that the translator is powered-on and ready. ...
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... PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER REV. 1.0.0 F 26. RS-232 / RS-485 T IGURE RANSLATOR ALF UPLEX ABLE XTENDER 25 SP336E 010) ODE ...
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... For applications where multiple nodes are allowed to transmit, some type of bus arbitration should be used. One technique would be to use SP336E in conjunction with external decoder logic, packet buffers and node address fields embedded in the data stream. Receiving the correct node address triggers Tx_EN to pass data onward ...
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... PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER REV. 1.0.0 F 28. RS-485 B -R IGURE US EPEATER (M 100) ODE 27 SP336E ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER F 29 SOICW P IGURE IN ACKAGE O D UTLINE RAWING 28 REV. 1.0.0 ...
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... PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER REV. 1.0 TSSOP P IGURE IN ACKAGE O D UTLINE RAWING 29 SP336E ...
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... SP336E 3. PROGRAMMABLE RS-232/RS-485/RS-422 SERIAL TRANSCEIVER REVISION HISTORY D R ATE EVISION March 2010 1.0.0 Production Release. EXAR Corporation reserves the right to make changes to the products contained in this publication in order to improve design, performance or reliability. EXAR Corporation assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representation that the circuits are free of patent infringement ...