TMS570LS3137
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SPNS162.–SEPTEMBER 2011
3.9 Output Timings
Table 3-4. Switching Characteristics for Output Timings versus Load Capacitance (CL)
Parameter
MIN
MAX
2.5
4
Unit
Rise time, tr
Fall time, tf
Rise time, tr
Fall time, tf
Rise time, tr
Fall time, tf
Rise time, tr
Fall time, tf
Rise time, tr
Fall time, tf
8mA low EMI pins
(see Table 3-2)
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL= 50 pF
ns
7.2
12.5
2.5
4
ns
ns
ns
ns
ns
ns
ns
ns
ns
7.2
12.5
5.6
10.4
16.8
23.2
5.6
10.4
16.8
23.2
8
4mA low EMI pins
(see Table 3-2)
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
CL = 15 pF
CL = 50 pF
CL = 100 pF
CL = 150 pF
2mA-z low EMI pins
(see Table 3-2)
15
23
33
8
15
23
33
2
Selectable 8mA / 2mA-z
pins
8mA mode
4
(see Table 3-2)
8
11
2
4
8
11
8
2mA-z mode
15
23
33
8
15
23
33
Copyright © 2011, Texas Instruments Incorporated
Device Operating Conditions
47
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