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MC141555 Datasheet(PDF) 3 Page - Motorola, Inc |
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MC141555 Datasheet(HTML) 3 Page - Motorola, Inc |
3 / 16 page MC141555 3 MOTOROLA ABSOLUTE MAXIMUM RATINGS Voltage Referenced to VSS NOTE: Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the limits in the Electrical Characteristics tables or Pin Description section. AC ELECTRICAL CHARACTERISTICS (VDD/VDD(A) = 5.0 V, VSS/VSS(A) = 0 V, TA = 25C, Voltage Referenced to VSS) FULL SPEED MODE CHARACTERISTICS LOW SPEED MODE CHARACTERISTICS Symbol Characteristic Value Unit VDD Supply Voltage - 0.3 to + 7.0 V Vin Input Voltage VSS – 0.3 to VDD + 0.3 V Id Current Drain per Pin Excluding VDD and VSS 25 mA Ta Operating Temperature Range 0 to 85 °C Tstg Storage Temperature Range – 65 to + 150 °C Symbol Parameter Conditions Min Max Unit tr tf Rise Time for DP/DM Fall Time for DP/DM Cload = 50 pF Cload = 50 pF 4 4 20 20 ns ns tRFM Rise/Fall Time Matching (tr/tf) x 100 90 110 % VCRS Output Signal Crossover Voltage — 1.3 2.0 V Symbol Parameter Conditions Min Max Unit tr tf Rise Time for DP/DM Fall Time for DP/DM Cload = 50 pF to 350 pF Cload = 50 pF to 350 pF 75 75 300 300 ns ns tRFM Rise/Fall Time Matching (tr/tf) x 100 80 120 % VCRS Output Signal Crossover Voltage — 1.3 2.0 V This device contains protection circuitry to guard against damage due to high static voltages or electric fields. However, precautions must be taken to avoid applications of any voltage higher than maximum rated voltages to this high-imped- ance circuit. For proper operation, Vin and Vout should be constrained to the range VSS ≤ (Vin or Vout) ≤ VDD. Unused inputs must always be tied to an appro- priate logic voltage level (e.g., either VSS or VDD). Unused outputs must be left open. 90% 10% tr DP DM VOL VOH VCRS 90% 10% tf DM Cload Cload R1 R1 R2 R2 R3 Data R1 = 22 R2 = 15 R3 = 1.5 Figure 2. Differential Driver Switching Load Figure 3. Differential Driver Switching Characteristics k Ω k Ω Ω Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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