参数资料
型号: PEF20324
厂商: INFINEON TECHNOLOGIES AG
英文描述: ICs for Communications
中文描述: 通信集成电路
文件页数: 38/63页
文件大小: 705K
代理商: PEF20324
PEB 20324
PEF 20324
Electrical Characteristics
Hardware Reference Manual
38
04.99
Similar criteria also apply to power down in case of power failure situations:
Figure 5-2
Power-Failure scenarios
3.3V
+/- 0.3V
5V
+/- 0.25V
U/V
50
t/ms
N
power failure:
V
DD3
break down
V
DD3
limit
V
DD5
limit
N+15
0
3.3V
+/- 0.3V
5V
+/- 0.25V
U/V
t/ms
N
power failure:
V
DD5
break down
V
DD3
limit
V
DD5
limit
0
0.1V
0.1V
Within the grey boxes any shape of V
and V
signal is allowed with the requirements that the absolute
limits of each signal are not exceeded and the specified voltage differences are not exceeded.
a. In case of V
break-down the 3.6V difference is not exceeded anyway. The voltages must return below
0.1V within 50 milliseconds.
b. In case of V
DD3
break-down the maximum voltage difference must not exceed 4.5 V for a maximum of 15
milliseconds.The voltages must return below 0.1V within 50 milliseconds.
This scenario is allowed for 2000 power failure cycles.
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