PCIMX258CJM4A datasheet(28/144 Pages) FREESCALE

28 / 144 page

i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 3

Freescale Semiconductor

Note:

1. Maximum condition for tpr, tpo, and tpv: wcs model, 1.1 V, I/O 3.0 V (3.0–3.6 V range) or 1.65 V (1.65–1.95 V range), and 105

°C. Minimum condition for tpr, tpo, and tpv: bcs model, 1.3 V, I/O 3.6 V (3.0–3.6 V range) or 1.95 V (1.65–1.95 V range), and

–40 °C. Input transition time from core is 1 ns (20%–80%).

2. Minimum condition for tps: wcs model, 1.1 V, I/O 3.0 V (3.0–3.6 V range) or 1.65 V (1.65–1.95 V range), and 105 °C. tps is

measured between VIL to VIH for rising edge and between VIH to VIL for falling edge.

3. Maximum condition for tdit: bcs model, 1.3 V, I/O 3.6 V (3.0–3.6 V range) or 1.95 V (1.65–1.95 V range), and –40 °C.

4. Maximum condition for tpi and trfi: wcs model, 1.1 V, I/O 3.0 V (3.0–3.6 V range) or 1.65 V (1.65–1.95 V range), and 105 °C.

Minimum condition for tpi and trfi: bcs model, 1.3 V, I/O 3.6 V or 1.95 V (1.65–1.95 V range), and –40 °C. Input transition time

from pad is 5 ns (20%–80%).

5. Hysteresis mode is recommended for input with transition time greater than 25 ns.

Output pad dI/dt (max. drive)

tdit

3.0–3.6 V

1.65–1.95 V

25 pF

50 pF

25 pF

50 pF

/ns

Output pad dI/dt (high drive)

tdit

3.0–3.6 V

1.65–1.95 V

25 pF

50 pF

25 pF

50 pF

Output pad dI/dt (standard

drive)

tdit

3.0–3.6 V

1.65–1.95 V

25 pF

50 pF

25 pF

50 pF

Input pad propagation delay

without hysteresis,

50%–50%

tpi

—

1.6 pF

0.82/0.47

0.74/1

1.1/0.76

1.1/1.5

1.6/1.04

1.75/2.16

Input pad propagation delay

with hysteresis, 50%–50%

tpi

—

1.6 pF

1.1/1.3

1.75/1.63

1.43/1.6

2.67/2.22

2/2

2.92/3

Input pad propagation delay

without hysteresis,

40%–60%

tpi

—

1.6 pF

1.62/1.28

1.82/1.55

1.9/1.56

2.28/1.87

2.38/1.82

2.95/2.54

Input pad propagation delay

with hysteresis, 40%–60%

tpi

—

1.6 pF

1.88/2.1

2.4/2.6

2.2/2.4

3/3.07

2.7/2.75

3.77/3.71

Input pad transition times

without hysteresis

trfi

—

1.6 pF

0.16/0.12

0.23/0.18

0.33/0.29

Input pad transition times

with hysteresis

trfi

1.6 pF

0.16/0.13

0.22/0.18

0.33/0.29

Maximum input transition

times

trm

—

Table 19. Slow I/O AC Parameters (continued)

Parameter

Symbol Test Voltage

Test

Capacitance

Min.

Rise/Fall

Typ.

Rise/Fall

Max.

Rise/Fall

Units Notes

PCIMX258CJM4A Datasheet(PDF) 28 Page - Freescale Semiconductor, Inc

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