參數(shù)資料
型號: SAK-TC1782-320F180HL
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 180 MHz, RISC MICROCONTROLLER, PQFP176
封裝: GREEN, PLASTIC, LQFP-176
文件頁數(shù): 6/113頁
文件大?。?/td> 3371K
代理商: SAK-TC1782-320F180HL
TC1782
Electrical ParametersPin Reliability in Overload
Target Data Sheet/ACDC Target Specification 62
V 0.7 Preliminary, 2010-03
junction temperature, the voltage variations of up to 0.3 V are possible. On the other
hand, Gate Oxide reliability increases at lower temperatures. Thus, the high temperature
case is the worst case, although at lower temperatures the voltages are higher.
1.5.1.3
General Recommendations
The following general recommendation apply, when designing high reliability systems:
Normal operation case (full lifetime case):
1. Use the normal operation instead of overload, whenever possible.
2. Use voltage dividers to bring the voltage down to normal operating range. This is
recommended for the A1 class pads and the Digital Input Only pads in full lifetime
overload. This connection has a property that the pins can go no higher than the
divided voltage, independently of the temperature and the power supply variations, if
the divided voltage is lower than the nominal supply voltage. In other cases, consult
the reliability data as listed in Reliability Characteristics, High Temperatures.
3. Current limiting with serial resistors only, full lifetime, for A2 class pads gives the
Error case (limited duration case):
1. Limit the overload current as low as possible. Consult the reliability data as listed in
Additionally:
when interfacing signals with long idle times (interrupts, serial clocks ...) it is
reasonable, whenever possible, to use the low level as the idle level.
using power supplies with smaller static tolerance directly improves the reliability.
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