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MPC8271ZQI Datasheet(PDF) 7 Page - Motorola, Inc |
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MPC8271ZQI Datasheet(HTML) 7 Page - Motorola, Inc |
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7 / 56 page  MOTOROLA MPC8272 PowerQUICC II™ Family Hardware Specifications 7 PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE Operating Conditions 2 Operating Conditions Table 3 shows the maximum electrical ratings. Table 4 lists recommended operational voltage conditions. NOTE: Core, PLL, and I/O Supply Voltages VDDH, VCCSYN, and VDD must track each other and must vary in the same direction—either in the positive direction (+0.165 VDDH and +0.075 VDD) or in the negative direction (–0.165 VDDH and –0.075 VDD). This device contains circuitry protecting against damage due to high static voltage or electrical fields; however, it is advised that normal precautions be taken to avoid application of any voltages higher than maximum-rated voltages to this high-impedance circuit. Reliability of operation is enhanced if unused inputs are tied to an appropriate logic voltage level (either GND or VCC). Table 3. Absolute Maximum Ratings 1 1 Absolute maximum ratings are stress ratings only; functional operation (see Table 4) at the maximums is not guaranteed. Stress beyond those listed may affect device reliability or cause permanent damage. Rating Symbol Value Unit Core supply voltage 2 2 Caution: VDD/VCCSYN must not exceed VDDH by more than 0.4 V at any time, including during power-on reset. VDD –0.3 – 2.25 V PLL supply voltage2 VCCSYN –0.3 – 2.25 V I/O supply voltage 3 3 Caution:VDDH can exceed VDD/VCCSYN by 3.3 V during power on reset by no more than 100 mSec.VDDH should not exceed VDD/VCCSYN by more than 2.5 V during normal operation. VDDH –0.3 – 4.0 V Input voltage 4 4 Caution: VIN must not exceed VDDH by more than 2.5 V at any time, including during power-on reset. VIN GND(–0.3) – 3.6 V Junction temperature Tj 120 ˚C Storage temperature range TSTG (–55) – (+150) ˚C Table 4. Recommended Operating Conditions 1 1 Caution: These are the recommended and tested operating conditions. Proper operation outside of these conditions is not guaranteed. Rating Symbol Value Unit Core supply voltage VDD 1.45 – 1.60 V PLL supply voltage VCCSYN 1.45 – 1.60 V I/O supply voltage VDDH 3.135 – 3.465 V Input voltage VIN GND (-0.3) – 3.465 V Junction temperature (maximum) Tj 105 2 2 Note that for extended temperature parts the range is (-40) TA – 105Tj. ˚C Ambient temperature TA 0–702 ˚C Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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