AC Electrical Characteristics
250
200
150
100
50
IDD Analog
IDD Total
IDD Digital
0
10
20
60
70
80
50
30
40
Freq. (MHz)
Figure 3-1 Maximum Run IDD vs. Frequency (see Note 6. in Table 3-14)
3.3 AC Electrical Characteristics
Timing waveforms in Section 3.3 are tested using the VIL and VIH levels specified in the DC Characteristics
table. In Figure 3-2 the levels of VIH and VIL for an input signal are shown.
Low
VIL
High
VIH
90%
50%
10%
Input Signal
Midpoint1
Fall Time
Note: The midpoint is VIL + (VIH – VIL)/2.
Rise Time
Figure 3-2 Input Signal Measurement References
Figure 3-3 shows the definitions of the following signal states:
•
•
•
Active state, when a bus or signal is driven, and enters a low impedance state
Tri-stated, when a bus or signal is placed in a high impedance state
Data Valid state, when a signal level has reached VOL or VOH
•
Data Invalid state, when a signal level is in transition between VOL and VOH
56F807 Technical Data Technical Data, Rev. 16
Freescale Semiconductor
25
FREESCALE [ Freescale ]
