PCIMX515CJM6C datasheet(31/184 Pages) FREESCALE

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Electrical Characteristics

i.MX51 Applications Processors for Consumer and Industrial Products, Rev. 1

Freescale Semiconductor

Preliminary—Subject to Change Without Notice

3.5

I/O AC Parameters

The load circuit and output transition time waveforms are shown in Figure 4 and Figure 5. AC electrical

characteristics for slow and fast I/O are presented in the Table 24 and Table 25, respectively.

Figure 4. Load Circuit for Output

Figure 5. Output Transition Time Waveform

3.5.1

Slow I/O AC Parameters

Table 24. Slow I/O AC Parameters

Parameter

Symbol

Test Condition

Min Rise/Fall

Typ

Max Rise/Fall

Unit

Output Pad Transition Times (Max Drive)

tr, tf

15 pF

35 pF

—

1.98/1.52

3.08/2.69

Output Pad Transition Times (High Drive)

tr, tf

15 pF

35 pF

—

2.31/1.838

3.8/2.4

Output Pad Transition Times (Medium Drive)

tr, tf

15 pF

35 pF

—

2.92/2.43

5.37/4.99

Output Pad Transition Times (Low Drive)

tr, tf

15 pF

35 pF

—

4.93/4.53

10.55/9.79

Output Pad Slew Rate (Max Drive)

tps

15 pF

35 pF

0.5/0.65

0.32/0.37

——

V/ns

Output Pad Slew Rate (High Drive)

tps

15 pF

35 pF

0.43/0.54

0.26/0.41

——

V/ns

Output Pad Slew Rate (Medium Drive)

tps

15 pF

35 pF

0.34/0.41

0.18/0.2

——

V/ns

Output Pad Slew Rate (Low Drive)

tps

15 pF

35 pF

0.20/0.22

0.09/0.1

——

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

Test Point

From Output

Under Test

CL includes package, probe and fixture capacitance

NVCC

20%

80%

20%

Output (at I/O)

PCIMX515CJM6C Datasheet(PDF) 31 Page - Freescale Semiconductor, Inc

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