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Table 21. V
Specification for Dual Power Supply Requirements (3.3 V, 5 V)
DIFF
Sym
V
DIFF
4.5
VCCPLL Pin Requirements
When the voltage on the VCCPLL power supply pin exceeds the V
time, including the power up and power down sequences, excessive currents may permanently
damage on-chip electrostatic discharge (ESD) protection diodes. The damage may accumulate over
multiple episodes.
Pragmatically, this problem only occurs when the VCCPLL and V
power supplies or voltage regulators. Applications that use one power supply for VCCPLL and
V
are not typically at risk. Verify that your application does not allow the VCCPLL voltage to
CC
exceed V
The VCCPL low-pass filter recommended in the Developer's Manual does not promote this
problem.
Datasheet
Parameter
Min
Max
VCC5-V
CC
2.25
Difference
by 0.5 V.
CC
Units
VCC5 input should not exceed V
V
power-up and power-down, or during steady-state operation.
80960HA/HD/HT
Notes
by more than 2.25 V during
CC
pin voltage by 0.5 V at any
CC
pins are driven by separate
CC
39
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