SP3243EEA-L/TR Exar Corporation, SP3243EEA-L/TR Datasheet
SP3243EEA-L/TR
Specifications of SP3243EEA-L/TR
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SP3243EEA-L/TR Summary of contents
Page 1
... Otherwise, the device automatically shuts itself down drawing less than 1µA. Device Power RS-232 Supplies Drivers SP3243E +3.0V to +5.5V SP3243EB +3.0V to +5.5V SP3243EH +3.0V to +5.5V SP3243EU +3.0V to +5.5V Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com RS-232 Transceivers OUT 2 T OUT ...
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... Output Voltage HIGH V CC DRIVER OUTPUTS Output Voltage Swing +5.0 Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com Power Dissipation per package 28-pin SOIC (derate 12.7mW/ 28-pin SSOP (derate 11.2mW/ 28-pin TSSOP (derate 13.2mW/ 32-pin QFN (derate 29.4mW/ +0 ...
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... Receiver Output Enable Time Receiver Output Disable Time Driver Skew (E, EB) (EH, EU) Receiver Skew Transition-Region Slew Rate (EH, EU) (E, EB) Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com ELECTRICAL CHARACTERISTICS = +3.0V to +5.5V with +3.3V or +5.0V and T = 25°C. CC AMB MIN ...
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... Transmitter at 250Kbps 2 Transmitters at 15.6Kbps 5 All drivers loaded with 3K // 1000pF 0 2.7 3 3.5 4 Supply V oltage (V DC Figure 5. Supply Current VS. Supply Voltage for the SP3243EU Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com TYPICAL PERFORMANCE CHARACTERISTICS = +25°C. AMB 2.7 1500 2000 Figure 2 ...
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... All drivers loaded 3K + Load Cap 0 0 500 1000 2000 3000 Load Capacitance (pF) Figure 7. Slew Rate VS. Load Capacitance Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com TYPICAL PERFORMANCE CHARACTERISTICS = +25°C. AMB - Slew + Slew 4000 5000 5 = +3.3V, 1000kbps data rate, all ...
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... CC SHUTDOWN Apply logic LOW to SHUTDOWN driver and charge pump. This overrides all AUTO ON-LINE® circuitry and ONLINE (Refer to table Connection Table 1. Device Pin Description Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com PIN NUMBER SP3243E ...
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... TTL/CMOS INPUTS TTL/CMOS OUTPUTS To µ P Supervisor Figure 8. SP3243E Typical Operating Circuit OUT 1 T OUT 2 Figure 9. SP3243E QFN Pinout Configuration Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com 0.1 µ C1 0.1 µ C1- 1 C2+ SP3243E 0.1 µ C2- T OUT T IN ...
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... Supervisor IC Figure 10. Interface Circuitry Controlled by Micropro- cessor Supervisory Circuit Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com In many portable or hand-held applications, an RS-232 cable can be disconnected or a connected peripheral can be turned off. Under these condi- tions, the internal charge pump and the drivers will be shut down ...
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... STATUS To µP Supervisor Circuit GND 18 Figure 11. Loopback Test Circuit for RS-232 Driver Data Transmission Rates Figure 12. Loopback Test results at 1Mbps Figure 13. Loopback Test results at 250Kbps Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com Device: SP3243E SHUTDOWN + C3 0.1 µ 0.1 µ ...
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... C . Since age potential across times V 2 Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com Phase 4 — V transfer — The fourth phase of the clock DD connects the negative terminal of C and transfers this positive generated voltage across C 2 voltage is regulated to +5.5V. At this voltage, the internal oscillator is disabled ...
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... Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com Charge pump capacitor value for SP32XX 0.1µ 0.047µ 0.33µ 0.22µ ...
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... ONLINE pin. Table 3 summarizes the logic of the AUTO ON- LINE operating modes. The truth table logic of ® the SP3243E driver and receiver outputs can be found in Table 2. Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com +2. ...
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... Figure 15. Charge Pump — Phase – Figure 16. Charge Pump — Phase – –5V Figure 17. Charge Pump — Phase – Figure 18. Charge Pump — Phase 4 Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com – – – + – –5V –5V ...
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... Data Terminal Ready 5. Signal Ground (Common) Figure 20. Circuit for the connectivity of the SP3243E with a DB-9 connector Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com The SP3243E driver outputs are able to maintain voltage under loading 2.5mA per driver, ensuring sufficient output for mouse-driving ap- plications ...
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... YES LOW NO LOW Table 3. AUTO ON-LINE Logic ® Figure 21. Stage I of AUTO ON-LINE Delay Delay Stage Stage R INACT R INACT 1 2 Figure 22. Stage II of AUTO ON-LINE Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com LOW HIGH / LOW HIGH / LOW ...
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... DC Power Source Figure 23. ESD Test Circuit for Human Body Model Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com current when the ESD source is applied to the connector pins. The test circuit for IEC1000-4-2 is shown on Figure 24. There are two methods within IEC1000-4-2, the Air Discharge method and the Contact Discharge method ...
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... DEVICE PIN HUMAN BODY TESTED MODEL Driver Outputs +15kV Receiver Inputs +15kV Table 4. Transceiver ESD Tolerance Levels Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com Contact-Discharge Model SW1 and R V add up to 330Ω for IEC1000-4-2. ...
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... Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com PACKAGE: 28 PIN WSOIC 18 SP3243E_101_111009 ...
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... Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com PACKAGE: 32 PIN QFN 19 SP3243E_101_111009 ...
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... Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com PACKAGE: 28 PIN SSOP 20 SP3243E_101_111009 ...
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... Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com PACKAGE: 28 PIN TSSOP 21 SP3243E_101_111009 ...
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... SP3243 /TR Part Number Exar Corporation 48720 Kato Road, Fremont CA, 94538 • 510-668-7017 • www.exar.com PRODUCT NOMENCLATURE Tape and Reel options “L” suffix indicates Lead Free packaging Package Type A= SSOP Y= TSSOP T= WSOIC R= QFN Temperature Range C= Commercial Range 0ºc to 70ºC E= Extended Range -40ºc to 85ºC ...
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... Part Number Data Rate (kbps) SP3243ECA-L SP3243ECT-L SP3243ECY-L SP3243EEA-L SP3243EET-L SP3243EEY-L SP3243EBCA-L SP3243EBCT-L SP3243EBCY-L SP3243EBER-L SP3243EBEA-L SP3243EBET-L SP3243EBEY-L SP3243EBER-L SP3243EHCA-L SP3243EHCT-L SP3243EHEA-L SP3243EHET-L SP3243EUCA-L SP3243EUCT-L SP3243EUCY-L SP3243EUER-L SP3243EUEA-L SP3243EUET-L SP3243EUEY-L SP3243EUER-L For Tape and Reel option add "/TR", Example: SP3243ECA-L/TR. ...
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... EXAR Corporation does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless EXAR Corporation receives, in writting, assurances to its satisfaction that: (a) the risk of injury or damage has been minimized ...