PCIMX515CJM6C datasheet(35/184 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

Table 29. I2C High-Speed Mode Electrical Parameters

for Low/Medium Drive Strength and OVDD = 1.65 V – 1.95 V

Parameter

Symbol

Test Conditions

Min

Typ

Max

Unit

Output rise time (current-source

enabled) and fall time at SCLH

(low driver strength)

trCL, tfCL

with a 3mA external pull-up current

source and CL = 100 pF

——

10/74

Output rise time (current-source

enabled) and fall time at SCLH

(medium driver strength)

trCL, tfCL

with a 3mA external pull-up current

source and CL = 100 pF

—

7/14

Output fall time at SDAH

(low driver strength)

tfDA

with CL from 10 pF to 100 pF

—

Output fall time at SDAH

(medium driver strength)

tfDA

with CL from 10 pF to 100 pF

—

Output fall time at SDAH

(low driver strength)

tfDA

CL = 400 pF

—

Output fall time at SDAH

(medium driver strength)

tfDA

CL = 400 pF

—

Table 30. Low Voltage I2C I/O Parameters

Parameter

Symbol

Test Condition

Min Rise/Fall

Typ

Max Rise/Fall

Unit

Output Pad di/dt (Medium drive)

tdit

—

mA/ns

Output Pad di/dt (Low drive)

tdit

—

mA/ns

Input Transition Times1

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

trm

—

Table 31. High Voltage I2C I/O Parameters

Parameter

Symbol

Test Condition Min Rise/Fall

Typ

Max Rise/Fall

Unit

Output Pad Transition Times (Medium Drive)

tr, tf

15 pF

35 pF

——

3/3

6/5

Output Pad Transition Times (Low Drive)

tr, tf

15 pF

35 pF

——

5/5

9/9

Output Pad Slew Rate (Medium Drive)

tps

15 pF

35 pF

0/0

——

V/ns

Output Pad Slew Rate (Low Drive)

tps

15 pF

35 pF

0/0

——

V/ns

Output Pad di/dt (Medium drive)

tdit

—

mA/ns

Output Pad di/dt (Low drive)

tdit

—

mA/ns

Input Transition Times1

1 Hysteresis mode is recommended for inputs with transition time > 25 ns

trm

—

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