S9S08SG8E2MTJ Datasheet, PDF (288/320 Pages) Freescale Semiconductor, Inc – MC9S08SG8 MC9S08SG4 Data Sheet Addendum

Appendix A Electrical Characteristics
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 V_SS or V_DD) or the programmable
pull-up resistor associated with the pin is enabled.
Table A-2. Absolute Maximum Ratings
Rating
Symbol
Value
Temp Rated¹
Unit
Standard
AEC
Grade 0
Supply voltage
V_DD
–0.3 to +5.8
V
x
x
Maximum current into V_DD
I_DD
120
mA
x
x
Digital input voltage
V_In
–0.3 to V_DD + 0.3
V
x
x
Instantaneous maximum current 
Single pin limit (applies to all port pins)^{2, 3, 4}
I_D
 25
mA
x
x
Storage temperature range
T_stg
–55 to 150
C
x
x
1 _{Electrical characteristics only apply to the temperature rated devices marked with x.}
2 _{Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate}
resistance values for positive (V_DD) and negative (V_SS) clamp voltages, then use the larger of the two resistance values.
3 _{All functional non-supply pins are internally clamped to VSS and VDD.}
4 _{Power supply must maintain regulation within operating VDD range during instantaneous and operating maximum current}
conditions. If positive injection current (V_In > V_DD) is greater than I_DD, the injection current may flow out of V_DD and could result
in external power supply going out of regulation. Ensure external V_DD 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).
MC9S08SG8 MCU Series Data Sheet, Rev. 7
284
Freescale Semiconductor