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S9S08MP12E2VWL Datasheet(PDF) 9 Page - Freescale Semiconductor, Inc |
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S9S08MP12E2VWL Datasheet(HTML) 9 Page - Freescale Semiconductor, Inc |
9 / 36 page Electrical Characteristics MC9S08MP16 Series Data Sheet, Rev. 1 Freescale Semiconductor 9 2.2 Parameter Classification The electrical parameters shown in this supplement are guaranteed by various methods. To give the customer a better understanding the following classification is used and the parameters are tagged accordingly in the tables where appropriate: NOTE The classification is shown in the column labeled “C” in the parameter tables where appropriate. 2.3 Absolute Maximum Ratings Absolute maximum ratings are stress ratings only, and functional operation at the maxima is not guaranteed. Stress beyond the limits specified in Table 3 may affect device reliability or cause permanent damage to the device. For functional operating conditions, refer to the remaining tables in this section. 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 (for instance, either VSS or VDD) or the programmable pull-up resistor associated with the pin is enabled. Table 2. Parameter Classifications P Those parameters that are guaranteed during production testing on each individual device. C Those parameters that are achieved by the design characterization by measuring a statistically relevant sample size across process variations. T Those parameters that are achieved by design characterization on a small sample size from typical devices under typical conditions unless otherwise noted. All values shown in the typical column are within this category. D Those parameters that are derived mainly from simulations. Table 3. Absolute Maximum Ratings Rating Symbol Value Unit Supply voltage VDD –0.3 to +5.8 V Maximum current into VDD IDD 120 mA Digital input voltage VIn –0.3 to VDD +0.3 V Instantaneous maximum current Single pin limit (applies to all port pins)1, 2, 3 1 Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate resistance values for positive (VDD) and negative (VSS) clamp voltages, then use the larger of the two resistance values. 2 All functional non-supply pins, except for PTF1/RESET are internally clamped to V SS and VDD. 3 Power supply must maintain regulation within operating V DD range during instantaneous and operating maximum current conditions. If positive injection current (VIn > VDD) is greater than IDD, the injection current may flow out of VDD and could result in external power supply going out of regulation. Ensure external VDD load will shunt current greater than maximum injection current. This will be the greatest risk when the MCU is not consuming power. Examples are: if no system clock is present, or if the clock rate is very low (which would reduce overall power consumption). ID ± 25 mA Storage temperature range Tstg –55 to 150 °C |
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