mcimx50 Freescale Semiconductor, Inc, mcimx50 Datasheet - Page 41

• Manufacturer Part Number: mcimx50
• Description: I.mx50 Applications Processors For Consumer Products
• Manufacturer: Freescale Semiconductor, Inc

4.5.4
Table 27
4.5.5
Table 24
Freescale Semiconductor
1
2
Output Pad Transition Times (High Drive)
Output Pad Transition Times (Medium Drive)
Output Pad Transition Times (Low Drive)
Output Pad Transition Times (Max Drive)
Output Pad Transition Times (High
Drive)
Output Pad Transition Times (Medium
Drive)
Output Pad Transition Times (Low Drive)
Output Pad Slew Rate (Max Drive)
Output Pad Slew Rate (High Drive)
Output Pad Slew Rate (Medium Drive)
Output Pad Slew Rate (Low Drive)
Output pad di/dt (Max drive)
Output pad di/dt (High drive)
Output pad di/dt (Medium drive)
Output pad di/dt (Low drive)
Input transition times
tps is measured between VIL to VIH for rising edge and between VIH to VIL for falling edge.
Hysteresis mode is recommended for inputs with transition time greater than 25 ns.
shows the AC parameters for LVIO fast I/O.
shows the AC parameters for HVIO I/O Low Voltage (1.8 V).
LVIO I/O Fast AC Parameters
HVIO I/O Low Voltage (1.8 V) AC Parameters
Parameter
Parameter
2
i.MX50 Applications Processors for Consumer Products, Rev. 0
Table 28. HVIO I/O Low Voltage (1.8 V) AC Parameters
1
Table 27. LVIO I/O Fast AC Parameters
Symbol
tr, tf
tr, tf
tr, tf
tr, tf
trm
tps
tps
tps
tps
tdit
tdit
tdit
tdit
Symbol Test Condition
tr, tf
tr, tf
tr, tf
Test Condition
15 pF
15 pF
15 pF
15 pF
15 pF
15 pF
15 pF
35 pF
35 pF
35 pF
35 pF
15 pF
35 pF
35 pF
35 pF
35 pF
—
—
—
—
—
15 pF
35 pF
15 pF
35 pF
15 pF
35 pF
0.69/0.78
0.36/0.39
0.55/0.61
0.28/0.30
0.39/0.44
0.19/0.20
0.21/0.22
0.09/0.10
Min
—
—
—
—
—
Min
Typ
—
—
—
—
—
Typ
10.59/10.21
Electrical Characteristics
1.44/1.27
2.78/2.56
1.80/1.61
3.59/3.34
2.55/2.28
5.32/5.01
4.74/4.59
1.82/1.97
3.39/3.57
2.48/2.62
4.95/5.14
4.57/4.77
9.60/9.91
Max
70
54
35
18
25
Max
mA/ns
mA/ns
mA/ns
mA/ns
Unit
V/ns
V/ns
V/ns
V/ns
Unit
ns
ns
ns
ns
ns
ns
ns
ns
41