参数资料
型号: SAK-TC1767-256F133HL
厂商: INFINEON TECHNOLOGIES AG
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 133 MHz, RISC MICROCONTROLLER, PQFP176
封装: 0.50 MM PITCH, GREEN, PLASTIC, LQFP-176
文件页数: 9/126页
文件大小: 826K
代理商: SAK-TC1767-256F133HL
TC1767
Electrical Parameters
Data Sheet
102
V1.3, 2009-09
5.3.3
Power Sequencing
Figure 24
5 V / 3.3 V / 1.5 V Power-Up/Down Sequence
The following list of rules applies to the power-up/down sequence:
All ground pins
V
SS must be externally connected to one single star point in the
system. Regarding the DC current component, all ground pins are internally directly
connected.
1. At any moment,
each power supply must be higher than any lower_power_supply - 0.5 V, or:
V
DD5 > VDD3.3 - 0.5 V; VDD5 > VDD1.5 - 0.5 V;VDD3.3 > VDD1.5 - 0.5 V, see Figure 24.
2. During power-up and power-down, the voltage difference between the power supply
pins of the same voltage (3.3 V, 1.5 V, and 5 V) with different names (for example
V
DDP, VDDFL3 ...), that are internaly connected via diodes must be lower than 100 mV.
On the other hand, all power supply pins with the same name (for example all
V
DDP
), are internaly directly connected. It is recommended that the power pins of the same
voltage are driven by a single power supply.
Power-Up 8.vsd
1.5V
3.3V
5V
t
V
+-5%
t
-12%
PORST
0.5V
VDDP
VAREF
power
down
power
fail
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相关代理商/技术参数
参数描述
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SAK-TC1767-256F133HLAD 制造商:Infineon Technologies AG 功能描述:
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