MCIMX503CVM8B datasheet(43/134 Pages) FREESCALE

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Electrical Characteristics

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

Freescale Semiconductor

4.5.4

LVIO I/O Fast AC Parameters

Table 29 shows the AC parameters for LVIO fast I/O.

4.5.5

HVIO I/O Low Voltage (1.8 V) AC Parameters

Table 26 shows the AC parameters for HVIO I/O Low Voltage (1.8 V).

Table 29. LVIO I/O Fast AC Parameters

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Output Pad Transition Times (Max Drive)

tr, tf

15 pF

35 pF

1.44/1.27

2.78/2.56

Output Pad Transition Times (High

Drive)

tr, tf

15 pF

35 pF

1.80/1.61

3.59/3.34

Output Pad Transition Times (Medium

Drive)

tr, tf

15 pF

35 pF

2.55/2.28

5.32/5.01

Output Pad Transition Times (Low Drive)

tr, tf

15 pF

35 pF

4.74/4.59

10.59/10.21

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

0.69/0.78

0.36/0.39

V/ns

Output Pad Slew Rate (High Drive)

tps

15 pF

35 pF

0.55/0.61

0.28/0.30

V/ns

Output Pad Slew Rate (Medium Drive)

tps

15 pF

35 pF

0.39/0.44

0.19/0.20

V/ns

Output Pad Slew Rate (Low Drive)

tps

15 pF

35 pF

0.21/0.22

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

—

Table 30. HVIO I/O Low Voltage (1.8 V) AC Parameters

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Output Pad Transition Times (High Drive)

tr, tf

15 pF

35 pF

1.82/1.97

3.39/3.57

Output Pad Transition Times (Medium Drive)

tr, tf

15 pF

35 pF

2.48/2.62

4.95/5.14

Output Pad Transition Times (Low Drive)

tr, tf

15 pF

35 pF

4.57/4.77

9.60/9.91

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