MCIMX503CVM8B datasheet(42/134 Pages) FREESCALE

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i.MX50 Applications Processors for Consumer Products, Rev. 2

Freescale Semiconductor

Electrical Characteristics

4.5.3

LVIO I/O Slow AC Parameters

Table 26 shows the AC parameters for LVIO slow I/O.

Table 28. LVIO I/O Slow AC Parameters

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Output Pad Transition Times (Max Drive)

tr, tf

15 pF

35 pF

1.97/1.57

3.12/2.70

Output Pad Transition Times (High Drive)

tr, tf

15 pF

35 pF

2.29/1.87

3.79/3.44

Output Pad Transition Times (Medium Drive)

tr, tf

15 pF

35 pF

2.93/2.48

5.42/4.98

Output Pad Transition Times (Low Drive)

tr, tf

15 pF

35 pF

4.92/4.57

10.64/9.85

Output Pad Slew Rate (Max 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

0.50/0.63

0.32/0.37

V/ns

Output Pad Slew Rate (High Drive)

tps

15 pF

35 pF

0.43/0.53

0.26/0.29

V/ns

Output Pad Slew Rate (Medium Drive)

tps

15 pF

35 pF

0.34/0.40

0.18/0.20

V/ns

Output Pad Slew Rate (Low Drive)

tps

15 pF

35 pF

0.20/0.22

0.09/0.10

V/ns

Output Pad di/dt (Max Drive)

tdit

mA/ns

Output Pad di/dt (High Drive)

tdit

mA/ns

Output Pad di/dt (Medium drive)

tdit

mA/ns

Output Pad di/dt (Low drive)

tdit

mA/ns

Input Transition Times2

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

trm

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