MPC5553_07 datasheet(17/66 Pages) FREESCALE

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Electrical Characteristics

MPC5553 Microcontroller Data Sheet, Rev. 2.0

Freescale Semiconductor

Figure 3 shows an approximate interpolation of the ISTBY worst-case specification to help estimate the

values at different voltages and temperatures. The vertical lines inside the graph show the actual

specifications listed in Table 9. Refer to the IDDSTBY specifications (27d) in Table 9 for more information.

Figure 3. ISTBY Worst-case Specifications

3.8.1

I/O Pad Current Specifications

The power consumption of an I/O segment depends on the usage of the pins on a particular segment. The

power consumption is the sum of all output pin currents for a particular segment. The output pin current

can be calculated from Table 10 based on the voltage, frequency, and load on the pin. Use linear scaling to

calculate pin currents for voltage, frequency, and load parameters that fall outside the values given in

Table 10.

100

200

300

400

500

600

700

800

900

1000

1100

1200

1300

1400

1500

1600

1700

1800

1900

2000

100

110

120

130

140

150

0.8V

1.0V

1.2V

ISTBY Related to Junction Temperature

Temperature (C)

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