SP322CF Exar Corporation, SP322CF Datasheet
SP322CF
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SP322CF Summary of contents
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Programmable V.11/V.35 Transceiver ■ +5V Only Operation ■ Programmable V.11 or V.35 Selection ■ Three Differential V.11 Transceivers in V.11 Mode ■ Three Differential V.35 Transceivers in V.35 Mode ■ No External Resistor Termination for Compliant V.35 Operation ■ ...
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ABSOLUTE MAXIMUM RATINGS These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the specifications below is not implied. Exposure to absolute maximum rating conditions ...
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Typically 25°C @ Vcc = +5V unless otherwise noted. V.11 DRIVER DC Characteristics Outputs Open Circuit Voltage Test Terminated Voltage 0.5V Balance Offset Short-Circuit Current Power-Off Current AC Characteristics Outputs Transition Time Propagation Delay t PHL t PLH Differential Skew ...
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TEST CIRCUITS... A 3.9kΩ Figure 1. V.11 Driver Output Open-Circuit Voltage Figure 3. V.11 Driver Output Short-Circuit Current A Oscilloscope B C Figure 4. V.11 Driver Output Rise/Fall Time Date: 10/1/05 V OCA V OC ...
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Figure 6. V.11 Receiver Input Current V.11 RECEIVER –10V –3V +3V Maximum Input Current versus Voltage –3.25mA Figure 7. V.11 Receiver Input IV Graph SP322DS/06 Date: 10/1/ ±10V ±10V ib Figure ...
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Figure 10. V.35 Driver Output Test Terminated Voltage Figure 12. V.35 Driver Output Short-Circuit Impedance Figure 14. V.35 Receiver Input Source Impedance Date: 10/1/05 50Ω 50Ω V ...
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S 500Ω Output Under Test Figure 16. Driver Timing Test Load #2 Circuit Figure 18. Driver/Receiver Timing Test Circuit SWITCHING WAVEFORMS... +3V DRIVER INPUT 0V A DRIVER ...
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V OD2 A – B – V OD2 V OH RECEIVER OUT PLH Figure 21. Receiver Propagation Delays +3V ENABLE ENABLE 0V 5V RECEIVER OUT RECEIVER OUT 0V Figure 22. Receiver Enable ...
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EN_R2 1 EN_R3 2 R1IN(a) 3 R1IN(b) 4 R2IN(a) 5 R2IN(b) 6 R3IN(a) 7 R3IN(b) 8 T1IN 9 T2IN 10 T3IN 11 Figure 25. SP322 Pinout Figure 26. SP322 Typical Operating Circuit SP322DS/06 Date: 10/1/05 T1OUT(a) 33 T1OUT(b) 32 GND ...
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THEORY OF OPERATION The SP322 is a programmable V.11 or V.35 transceiver IC. It contains three driver and three receivers which can be configured to either V.11 or V.35 physical layer electrical characteristics. The transceivers within the SP322 include all ...
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Termination Circuitry Unique to Sipex, the SP322 provides internal resistor networks for V.35 as well as the cable termination for V.11. The resistor network for the V.35 receivers are configured as a typical V.35 receiver using two 51Ω resistors in ...
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PACKAGE: 44 Pin LQFP Pin - 44–PIN LQFP DIMENSIONS JEDEC MS-026 Minimum/Maximum (BCB) Variation (mm) MIN NOM SYMBOL A 0.05 A1 1.35 1.40 A2 0.30 0.37 b 12.00 BSC ...
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... Model SP322CF ........................................................................... 0°C to +70°C ............................................................................................. 44–pin LQFP SP322CF-L ....................................................................... 0°C to +70°C ............................................................................................. 44–pin LQFP Available in lead free packaging. To order add "-L" suffix to part number. Example: SP322CF = standard; SP322CF-L = lead free CLICK HERE TO ORDER SAMPLES DATE REVISION 1/27/04 A 03/04/05 A 09/30/05 A Corporation ANALOG EXCELLENCE Sipex Corporation ...