PEB20534H-10 SIEMENS [Siemens Semiconductor Group], PEB20534H-10 Datasheet - Page 410

• Manufacturer Part Number: PEB20534H-10
• Description: DMA Supported Serial Communication Controller with 4 Channels DSCC4
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Semiconductor Group
Similar criteria also apply to power down in case of power failure situations:
Figure 84
Additional recommendations:
The pin TEST1 has to be tied to
Within the grey boxes any shape of V
limits of each signal are not exceeded and the specified voltage differences are not exceeded.
a. In case of V
b. In case of V
+/- 0.25V
+/- 0.3V
0.1V within 50 milliseconds.
milliseconds.The voltages must return below 0.1V within 50 milliseconds.
This scenario is allowed for 2000 power failure cycles.
0.1V
3.3V
5V
U/V
0
DD5
DD3
Power-Failure scenarios
break-down the 3.6V difference is not exceeded anyway. The voltages must return below
break-down the maximum voltage difference must not exceed 4.5 V for a maximum of 15
N
power failure:
V
DD5
break down
V
V
DD5
DD3
DD3
limit
limit
V
and V
SS
(refer to pin description table).
DD5
50
+/- 0.25V
signal is allowed with the requirements that the absolute
+/- 0.3V
410
t/ms
3.3V
0.1V
U/V
5V
0
N
power failure:
V
DD3
Electrical Characteristics
break down
V
V
DD5
DD3
limit
limit
N+15
Data Sheet 09.98
PEB 20534
t/ms