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DP8224 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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DP8224 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 8 page Absolute Maximum Ratings (Note 2) If MilitaryAerospace specified devices are required please contact the National Semiconductor Sales OfficeDistributors for availability and specifications Supply Voltage VCC 7V VDD 15V Input Voltage b 1V to a55V Storage Temperature Range b 65 Cto a150 C Maximum Power Dissipation at 25 C Cavity Package 1509 mW Molded Package 1476 mW Lead Temperature (Soldering 4 seconds) 260 C Derate cavity package 101 mW C above 25 C derate molded package 118 mW C above 25 C Operating Conditions Min Max Units Supply Voltage VCC 475 525 V VDD 114 126 V Temperature (TA)0 a 70 C Electrical Characteristics (Note 3) Symbol Parameter Conditions Min Typ Max Units IF Input Current Loading VF e 045V b 025 mA IR Input Leakage Current VR e 525V 10 m A VC Input Forward Clamp Voltage IC eb5mA b 10 V VIL Input ‘‘Low’’ Voltage VCC e 5V 08 V VIH Input ‘‘High’’ Voltage RESIN Input 26 V All Other Inputs 20 V VIHbVIL RESIN Input Hysteresis VCC e 5V 025 V VOL Output ‘‘Low’’ Voltage (w1 w2) Ready Reset STSTB IOL e 25 mA 045 V Osc w2 (TTL) IOL e 10 mA 045 V Osc w2 (TTL) IOL e 15 mA 045 V VOH Output ‘‘High’’ Voltage w 1 w2IOH eb100 mA 94 V Ready Reset IOH eb100 mA 36 V Osc w2 (TTL) STSTB IOH eb1 mA 24 V ISC Output Short-Circuit Current VO e 0V VCC e 5V (All Low Voltage Outputs Only) b 10 b 60 mA (Note 1) ICC Power Supply Current 115 mA IDD Power Supply Current 12 mA Note 1 Caution bw1 and w2 output drivers do not have short circuit protection Note 2 ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed Except for ‘‘Operating Temperature Range’’ they are not meant to imply that the devices should be operated at these limits The table of ‘‘Electrical Characteristics’’ provides conditions for actual device operation Note 3 Unless otherwise specified minmax limits apply across the 0 Cto a70 C range for the DP8224 All typical values are for TA e 25 C VCC e 5V and VDD e 12V Crystal Requirements Tolerance 0005% at 0 Cto a70 C Resonance Fundamental Load Capacitance 20 pF to 30 pF It is good design practice to ground the case of the crystal With tank circuit use 3rd overtone mode Equivalent Resistance 75X to 20X Power Dissipation (Min) 4 mW 2 |
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