MCIMX255AJM4A Freescale, MCIMX255AJM4A Datasheet - Page 28

• Manufacturer Part Number: MCIMX255AJM4A
• Manufacturer: Freescale

Specifications of MCIMX255AJM4A

• Lead Free Status / RoHS Status: Compliant

3.6.2
Table 20
28
Duty cycle
Output pad transition times (max. drive)
Output pad transition times (high drive)
Output pad transition times (standard
drive)
Output pad propagation delay (max.
drive), 50%–50%
Output pad propagation delay (high drive),
50%–50%
Output pad propagation delay (standard
drive), 50%–50%
Output pad propagation delay (max.
drive), 40%–60%
Output pad propagation delay (high drive),
40%–60%
Output pad propagation delay (standard
drive), 40%–60%
Output enable to output valid delay (max.
drive), 50%–50%
Output enable to output valid delay (high
drive), 50%–50%
Output enable to output valid delay
(standard drive), 50%–50%
Output enable to output valid delay (max.
drive), 40%–60%
Output enable to output valid delay (high
drive), 40%–60%
Output enable to output valid delay
(standard drive), 40%–60%
Output pad slew rate (max. drive)
Output pad slew rate (high drive)
Output pad slew rate (standard drive)
shows the fast I/O AC parameters for OVDD = 1.65–1.95 V.
Fast I/O AC Parameters
Parameter
i.MX25 Applications Processor for Automotive Products, Rev. 4
Table 20. Fast I/O AC Parameters for OVDD = 1.65
Symbol
Fduty
tpo
tpo
tpo
tpo
tpo
tpo
tpv
tpv
tpv
tpv
tpv
tpv
tps
tps
tps
tpr
tpr
tpr
Condition
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
25 pF
50 pF
Test
—
Rise/Fall
0.88/0.77
1.45/1.24
1.10/0.92
1.84/1.54
1.60/1.35
2.74/2.26
1.64/1.53
2.15/2.01
1.82/1.71
2.46/2.29
2.24/2.06
3.17/2.92
1.67/1.58
2.09/1.98
1.94/1.73
2.34/2.22
2.15/1.99
2.94/2.74
1.87/1.70
2.36/2.16
2.05/1.88
2.68/2.45
2.49/2.25
3.40/3.08
1.90/1.74
2.30/2.13
2.06/1.90
2.56/2.37
2.39/2.18
3.16/2.89
0.40/0.57
0.25/0.36
0.38/0.48
0.20/0.30
0.23/0.32
0.13/0.20
Min.
40
1.36/1.10
2.20/1.80
1.65/1.33
2.80/2.20
2.47/1.95
4.20/3.20
2.68/2.41
3.47/3.08
2.98/2.66
3.96/3.49
3.63/3.15
5.09/4.41
2.63/2.38
3.30/2.97
2.89/2.61
3.69/3.30
3.39/2.99
4.65/4.07
3.06/2.71
3.83/3.37
3.67/2.98
4.32/3.78
4.06/3.50
5.50/4.73
3.00/2.69
3.65/3.24
3.28/2.33
4.04/3.59
3.80/3.18
5.03/4.37
0.72/0.97
0.43/0.61
0.59/0.81
0.34/0.50
0.40/0.55
0.23/0.34
Typ.
—
–
1.95 V
Rise/Fall
2.10/1.70
3.50/2.70
2.64/2.10
4.40/3.30
3.99/3.10
6.56/4.86
4.25/3.74
5.50/4.77
4.74/4.13
6.27/5.37
5.73/4.84
8.06/6.75
4.06/3.63
5.14/4.51
4.49/3.97
5.76/5.01
5.28/4.53
7.28/6.13
4.97/4.30
6.18/5.30
5.46/4.72
6.98/5.92
6.57/5.49
8.88/7.37
4.76/4.18
5.79/5.02
5.21/4.54
6.43/5.54
6.05/5.14
8.02/6.72
0.72/0.95
0.98/1.27
0.56/0.72
0.66/0.87
0.38/0.52
1.2/1.5
Max.
60
Freescale Semiconductor
Units
V/ns
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
Notes
—
1
1
1
1
1
2