PCIMX536AVV8B datasheet(41/180 Pages) FREESCALE

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Electrical Characteristics

i.MX53xA Automotive and Infotainment Applications Processors, Rev. 1

Freescale Semiconductor

4.5.4

UHVIO I/O AC Electrical Characteristics

Table 26 shows the AC parameters for UHVIO I/O operating in low output voltage mode. Table 27

shows the AC parameters for UHVIO I/O operating in high output voltage mode.

Table 24. LVIO I/O AC Parameters in Slow Mode

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Input Transition Times1

1 Hysteresis mode is recommended for inputs with transition times greater than 25 ns.

trm

—

Table 25. LVIO I/O AC Parameters in Fast Mode

Parameter

Symbol

Test

Condition

Min

Typ

Max

Unit

Input Transition Times1

1 Hysteresis mode is recommended for inputs with transition time greater than 25 ns.

trm

—

Table 26. AC Electrical Characteristics of UHVIO Pad (Low Output Voltage Mode)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Output Pad Transition Times (High Drive)

tr, tf

15 pF

35 pF

—

1.59/1.69

3.05/3.30

Output Pad Transition Times (Medium Drive)

tr, tf

15 pF

35 pF

—

2.16/2.35

4.45/4.84

Output Pad Transition Times (Low Drive)

tr, tf

15 pF

35 pF

—

4.06/4.42

8.79/9.55

Output Pad Slew Rate (High Drive)1

1 tps is measured between VIL to VIH for rising edge and between VIH to VIL for falling edge.

tps

15 pF

35 pF

0.63/0.59

0.33/0.30

——

V/ns

Output Pad Slew Rate (Medium Drive)1

tps

15 pF

35 pF

0.46/0.42

0.22/0.21

——

Output Pad Slew Rate (Low Drive)1

tps

15 pF

35 pF

0.25/0.23

0.11/0.11

——

Output Pad di/dt (High Drive)

tdit

—

43.6

mA/ns

Output Pad di/dt (Medium drive)

tdit

—

32.3

Output Pad di/dt (Low drive)

tdit

—

18.24

Input Transition Times2

2 Hysteresis mode is recommended for inputs with transition times greater than 25 ns.

trm

—

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