PCIMX258CJM4A datasheet(30/144 Pages) FREESCALE

30 / 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 1.65 V, and 105 °C. Minimum condition for tpr, tpo, and tpv: bcs

model, 1.3 V, I/O 1.95 V, 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 1.65 V 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 1.95 V and –40 °C.

4. Maximum condition for tpi and trfi: wcs model, 1.1 V, I/O 1.65 V and 105 °C. Minimum condition for tpi and trfi: bcs model, 1.3 V,

I/O 1.95 V 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

25 pF

50 pF

112

118

mA/ns

Output pad dI/dt (high drive)

tdit

25 pF

50 pF

mA/ns

Output pad dI/dt (standard

drive)

tdit

25 pF

50 pF

mA/ns

Input pad propagation delay without

hysteresis, 50%–50%

tpi

1.6 pF

0.74/1

1.1/1.5

1.75/2.16

Input pad propagation delay with

hysteresis, 50%–50%

tpi

1.6 pF

1.75/1.63

2.67/2.22

2.92/3

Input pad propagation delay without

hysteresis, 40%–60%

tpi

1.6 pF

1.82/1.55

2.28/1.87

2.95/2.54

Input pad propagation delay with

hysteresis, 40%–60%

tpi

1.6 pF

2.4/2.6

3/3.07

3.77/3.71

Input pad transition times without

hysteresis

trfi

1.6 pF

0.16/0.12

0.30/0.18

0.33/0.29

Input pad transition times with hysteresis

trfi

1.6 pF

0.16/0.13

0.30/0.18

0.33/0.29

Maximum input transition times

trm

—

Table 20. Fast I/O AC Parameters for OVDD = 1.65–1.95 V (continued)

Parameter

Symbol

Test

Condition

Min.

Rise/Fall

Typ.

Max.

Rise/Fall

Units

Notes

PCIMX258CJM4A Datasheet(PDF) 30 Page - Freescale Semiconductor, Inc

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