SAK-TC1767-256F133HL INFINEON [Infineon Technologies AG], SAK-TC1767-256F133HL Datasheet - Page 106

• Manufacturer Part Number: SAK-TC1767-256F133HL
• Description: 32-Bit Single-Chip Microcontroller
• Manufacturer: INFINEON [Infineon Technologies AG]

5.3.3
Figure 24
The following list of rules applies to the power-up/down sequence:
•
1. At any moment,
2. During power-up and power-down, the voltage difference between the power supply
Data Sheet
3.3V
1.5V
V
5V
All ground pins
system. Regarding the DC current component, all ground pins are internally directly
connected.
each power supply must be higher than any lower_power_supply - 0.5 V, or:
V
pins of the same voltage (3.3 V, 1.5 V, and 5 V) with different names (for example
V
On the other hand, all power supply pins with the same name (for example all
), are internaly directly connected. It is recommended that the power pins of the same
voltage are driven by a single power supply.
V
DDP
DD5
DDP
,
>
V
V
DDFL3
Power Sequencing
DD3.3
5 V / 3.3 V / 1.5 V Power-Up/Down Sequence
...), that are internaly connected via diodes must be lower than 100 mV.
- 0.5 V;
V
SS
must be externally connected to one single star point in the
V
DD5
0.5V
>
V
DD1.5
+-5%
0.5V
- 0.5 V;
102
+-5%
V
PORST
DD3.3
+-5%
power
down
>
V
DD1.5
- 0.5 V, see
-12%
power
fail
Electrical Parameters
-12%
V
AREF
Figure
0.5V
Power-Up 8.vsd
V1.3, 2009-09
TC1767
24.
V
DDP
t
t