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Power Requirements
Table 14. Maximum Ratings
Supply Voltage
Rating 1
Symbol
V CORE_VDD,
Value 1, 2
? 0.3 to + 1.6
Unit
V
V PLLD_VDD
V PLLP_VDD,
V IO_VDD,
V PLLA_VDD ,
? 0.3 to + 4.0
V
All “5.0V tolerant” input voltages
Current drain per pin excluding V DD and GND
V IN
I
GND ? 0.3 to 5.5V
12
V
mA
(Except for pads listed below)
SCK_SCL
ACI_PD0,ADO_PD1
TDO
I SCK
I DAX
Ijtag
16
24
24
mA
mA
mA
Operating temperature
Storage temperature
range 3
T J
T STG
–40 to +115
? 55 to +125
° C
° C
Note:
1. GND = 0 V; T J = –40°C to 115°C for 150 MHz; T J = 0°C to 100°C for 181 MHz; CL = 50PF
2. Absolute maximum ratings are stress ratings only, and functional operation at the maximum is not guaranteed. Stress
beyond the maximum rating may affect device reliability or cause permanent damage to the device.
3. Operating temperature qualified for automotive applications.
5
Power Requirements
To prevent high current conditions due to possible improper sequencing of the power supplies, the
connection shown below is recommended to be made between the DSP56371 IO_VDD and CORE_VDD
power pins.
IO VDD
External
Schottky
CORE VDD
Diode
To prevent a high current condition upon power up, the IOVDD must be applied ahead of the CORE VDD
as shown below if the external Schottky is not used.
CORE VDD
IO VDD
DSP56371 Data Sheet, Rev. 4.1
34
Freescale Semiconductor
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