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DP83241 Datasheet(PDF) 7 Page - National Semiconductor (TI) |
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DP83241 Datasheet(HTML) 7 Page - National Semiconductor (TI) |
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7 / 20 page  40 Electrical Characteristics 41 ABSOLUTE MAXIMUM RATINGS If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Storage Temperature b 65 Cto a150 C TTL Signals Inputs b 05V to a55V Outputs b 05V to a55V ECL Signals Output Current b 50 mA Supplies EXTVCC to EXTGND b 05V to a7V DVCC to DGND b 05V to a7V AVCC to AGND b 05V to a7V ESD Protection 1500V 42 RECOMMENDED OPERATING CONDITIONS Symbol Parameter Min Typ Max Units VCC to GND Power Supply 475 50 525 V VIH High Level Input Voltage TTL 20 V ECL VCC b 1165 VCC b 0880 VIL Low Level Input Voltage TTL 08 V ECL VCC b 1810 VCC b 1475 IOH High Level TTL Outputs b 04 mA Output Current (Note 1) IOL Low Level TTL Outputs 80 mA Output Current (Note 1) FVCO VCO Frequency (INT or EXT) 250 MHz FREF Reference Input Frequency 125 MHz TA Operating Temperature 0 25 70 C Note 1 TTL outputs include LBC1 LBC2 LBC3 LBC4 LBC5 and LSC 43 DC ELECTRICAL CHARACTERISTICS Symbol Parameter Conditions Min Max Units VIC Input Clamp Voltage IIN e 18 mA b 15 V VOH High Level TTL Outputs IOH eb400 mAVCC b 2V Output Voltage ECL Outputs VCC b 1025 VCC b 880 mV 50X Load to VCC b 2V VOL Low Level TTL Outputs IOL e 8 mA 05 V Output Voltage ECL Outputs VCC b 1810 VCC b 1620 mV 50X Load to VCC b 2V II Max High Level TTL Inputs VIN e 7V 100 m A Input Current IIH High Level TTL Inputs VIN e 27V b 20 20 m A Input Current IIL Low Level TTL Inputs VIN e 04V b 20 20 m A Input Current IFilter Charge Pump Current Source b 07 a 07 mA Sink 02 07 mA TRI-STATE b 250 250 nA ICC Supply Current 170 mA Includes 60 mA due to external ECL termination of two differential signals For 100k ECL output buffers output levels are specified as VOH Max e VCC b 088V VOL Max e VCC b 162V Since the outputs are differential the average output level is VCC b 125V The test load per output is 50X at VCC b 2V The external load current through this 50X resistor is thus I Load e (VCC b 125) b (VCC b 2) 50 Amps e 0015 Amps e 15 mA There are 2 pairs of differential ECL signals so the total ECL current is 60 mA 7 |
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