SC9RS08KA2 datasheet(112/134 Pages) FREESCALE

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Appendix A Electrical Characteristics

SC9RS08KA2 Series Data Sheet, Rev. 1

112

Freescale Semiconductor

Input low voltage (VDD > 2.3 V) (all digital inputs)

VIL

——

0.30

VDD

Input low voltage (1.8 V

≤ V

DD ≤ 2.3 V)

(all digital inputs)

VIL

——

0.30

VDD

Input hysteresis (all digital inputs)

Vhys

0.06

× V

——

Input leakage current (per pin)

VIn = VDD or VSS, all input only pins

|IIn|—

0.025

1.0

μA

High impedance (off-state) leakage current (per pin)

VIn = VDD or VSS, all input/output

|IOZ|—

0.025

1.0

μA

Internal pullup/pulldown resistors2 (all port pins)

RPU

Output high voltage (port A)

IOH = –5 mA (VDD ≥ 4.5 V)

IOH = –3 mA (VDD ≥ 3 V)

IOH = –2 mA (VDD ≥ 1.8 V)

VOH

VDD – 0.8

—

Maximum total IOH for all port pins

|IOHT|—

—

Output low voltage (port A)

IOL = 5 mA (VDD ≥ 4.5 V)

IOL = 3 mA (VDD ≥ 3 V)

IOL = 2 mA (VDD ≥ 1.8 V)

VOL

——

0.8

Maximum total IOL for all port pins

IOLT

——

dc injection current3, 4, 5 6

VIn < VSS, VIn > VDD

Single pin limit

Total MCU limit, includes sum of all stressed pins

|IIC|—

—

0.2

0.8

Input capacitance (all non-supply pins)

CIn

——

1 This parameter is characterized and not tested on each device.

2 Measurement condition for pull resistors: V

In = VSS for pullup and VIn = VDD for pulldown.

3 All functional non-supply pins are internally clamped to V

SS and VDD except the RESET/VPP which is internally clamped to

VSS only.

4 Input must be current limited to the value specified. To determine the value of the required current-limiting resistor, calculate

resistance values for positive and negative clamp voltages, then use the larger of the two values.

5 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 clock rate is very low which would reduce overall power consumption.

6 This parameter is characterized and not tested on each device.

Table A-4. DC Characteristics (continued)

(Temperature Range = –40 to 85

°C Ambient)

Parameter

Symbol

Min

Typical

Max

Unit

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