Savin LD132c Manual de usuario Pagina 31

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i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 9
Freescale Semiconductor 31
Output Pad Propagation Delay
1
(High Drive),
50%–50%
tpo 25 pF
50 pF
1.35/1.42
1.98/2.04
1.95/1.91
2.81/2.68
2.96/2.76
4.16/3.78
ns
Output Pad Propagation Delay
1
(Standard Drive),
50%–50%
tpo 25 pF
50 pF
1.77/1.85
2.70/2.78
2.54/2.48
3.82/3.62
3.80/3.60
5.62/5.10
ns
Output Pad Propagation Delay
1
(Max Drive),
40%–60%
tpo 25 pF
50 pF
1.37/1.50
1.74/1.88
1.94/2.05
2.46/2.55
2.95/3.07
3.71/3.75
ns
Output Pad Propagation Delay
1
(High Drive),
40%–60%
tpo 25 pF
50 pF
1.48/1.61
1.98/2.10
2.11/2.19
2.78/2.81
3.19/3.26
4.14/4.09
ns
Output Pad Propagation Delay
1
(Standard Drive),
40%–60%
tpo 25 pF
50 pF
1.84/1.97
2.58/2.71
2.61/2.67
3.62/3.58
3.95/3.95
5.36/5.15
ns
Output Enable to Output Valid Delay
1
(Max Drive),
50%–50%
tpv 25 pF
50 pF
1.34/1.32
1.81/1.79
1.91/1.81
2.56/2.40
2.92/2.67
3.83/3.47
ns
Output Enable to Output Valid Delay
1
(High Drive),
50%–50%
tpv 25 pF
50 pF
1.48/1.47
2.12/2.1
2.12/2.00
2.98/2.76
3.21/2.92
4.41/3.94
ns
Output Enable to Output Valid Delay
1
(Standard
Drive), 50%–50%
tpv 25 pF
50 pF
1.90/1.90
2.85/2.83
2.70/2.60
4.00/3.70
4.07/3.74
5.86/5.24
ns
Output Enable to Output Valid Delay
1
(Max Drive),
40%–60%
tpv 25 pF
50 pF
1.55/1.42
1.93/1.81
2.25/2.08
2.77/2.58
3.50/3.31
4.24/3.99
ns
Output Enable to Output Valid Delay
1
(High Drive),
40%–60%
tpv 25 pF
50 pF
1.67/1.54
2.16/2.03
2.41/2.23
3.08/2.86
3.74/3.51
4.66/4.34
ns
Output Enable to Output Valid Delay
1
(Standard
Drive), 40%–60%
tpv 25 pF
50 pF
2.02/1.90
2.76/2.63
2.91/2.71
3.91/3.62
4.48/4.21
5.85/5.39
ns
Output Pad Slew Rate
2
(Max Drive) tps 25 pF
50 pF
0.96/1.40
0.54/0.83
1.54/2.10
0.85/1.24
2.30/3.00
1.26/1.70
V/ns
Output Pad Slew Rate
2
(High Drive) tps 25 pF
50 pF
0.76/1.10
0.41/0.64
1.19/1.71
0.63/0.95
1.78/2.39
0.95/1.30
V/ns
Output Pad Slew Rate
2
(Standard Drive) tps 25 pF
50 pF
0.52/0.78
0.28/0.44
0.80/1.19
0.43/0.64
1.20/1.60
0.63/0.87
V/ns
Output Pad di/dt
3
(Max Drive) didt 25 pF
50 pF
46
49
108
113
250
262
mA/ns
Output Pad di/dt
3
(High Drive) didt 25 pF
50 pF
35
37
82
86
197
207
mA/ns
Output Pad di/dt
3
(Standard Drive) didt 25 pF
50 pF
22
23
52
55
116
121
mA/ns
Input Pad Propagation Delay without Hysteresis,
50%–50%
4
tpi 1.6pF
0.729/0.458 0.97/0.0649 1.404/0.97
ns
Input Pad Propagation Delay with Hysteresis,
50%–50%
4
tpi 1.6pF
1.203/0.938 1.172/1.187 1.713/1.535
ns
Input Pad Propagation Delay without Hysteresis,
40%–60%
4
tpi 1.6pF
0.879/0.977 1.434/1.12 1.854/1.427
ns
Table 23. Fast I/O AC Parameters for OVDD = 3.03.6 V (continued)
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