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AC Electrical Characteristics
Table 16. DC ELECTRICAL CHARACTERISTICS 4
Characteristics
? In Wait mode
Symbol
I CCW
Min
—
Typ
48
Max
150
Unit
mA
? In Stop mode
3
I CCS
—
2.5
82
mA
Input capacitance 4
C IN
—
—
10
pF
Note:
1. Section 3, Power Consumption Considerations provides a formula to compute the estimated current requirements in
Normal mode. In order to obtain these results, all inputs must be terminated (for example, not allowed to float).
Measurements are based on synthetic intensive DSP benchmarks. The power consumption numbers in this
specification are 90% of the measured results of this benchmark. This reflects typical DSP applications. Typical internal
supply current is measured with V CORE_VDD = 1.25V, V DD_IO = 3.3V at T J = 25°C. Maximum internal supply current is
measured with V CORE_VDD = 1.30 V, V IO_VDD) = 3.46V at T J = 115°C.
2. In order to obtain these results, all inputs, which are not disconnected at Stop mode, must be terminated (for example,
not allowed to float).
3. Periodically sampled and not 100% tested
4. T J = –40°C to 115°C for 150 MHz; T J = 0°C to 100°C for 181 MHz; CL=50pF
8
AC Electrical Characteristics
The timing waveforms shown in the AC electrical characteristics section are tested with a V IL maximum
of 0.8V and a V IH minimum of 2.0V for all pins. AC timing specifications, which are referenced to a
device input signal, are measured in production with respect to the 50% point of the respective input
signal’s transition. DSP56371 output levels are measured with the production test machine V OL and V OH
reference levels set at 1.0V and 1.8V, respectively.
NOTE
Although the minimum value for the frequency of EXTAL is 0 MHz (PLL bypassed), the
device AC test conditions are 5 MHz and rated speed.
DSP56371 Data Sheet, Rev. 4.1
36
Freescale Semiconductor
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