56F8167 datasheet(146/182 Pages) FREESCALE

146 / 182 page

56F8367 Technical Data, Rev. 9

146

Freescale Semiconductor

Preliminary

10.3 AC Electrical Characteristics

Tests are conducted using the input levels specified in Table 10-5. Unless otherwise specified,

propagation delays are measured from the 50% to the 50% point, and rise and fall times are measured

between the 10% and 90% points, as shown in Figure 10-2.

Figure 10-2 Input Signal Measurement References

Figure 10-3 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

Supply Voltage

VDDA_ADC

3.0

3.3

3.6

Supply Current - OFF

IDD-OFF

——

μA

Supply Current - ON

IDD-ON

——

250

μA

Accuracy3,1 from -40°C to 150°C

Using VTS = mT + VTS0

TACC

-6.7

6.7

°C

Resolution4, 5,1

RES

—0.104

—

°C / bit

1. Includes the ADC conversion of the analog Temperature Sense voltage.

2. The ADC is not calibrated for the conversion of the Temperature Sensor trim value stored in the Flash Memory at

FMOPT0 and FMOPT1.

3. See Application Note, AN1980, for methods to increase accuracy.

4. Assuming a 12-bit range from 0V to 3.3V.

5. Typical resolution calculated using equation,

Table 10-11 Temperature Sense Parametrics

Characteristics

Symbol

Min

Typical

Max

Unit

VIH

VIL

Fall Time

Input Signal

Note: The midpoint is VIL + (VIH – VIL)/2.

Midpoint1

Low

High

90%

50%

10%

Rise Time

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