MM74HC125 和 MM74HC126 是通用型 3 态高速非反相缓冲器,采用先进的硅门极 CMOS 工艺。它们具有高驱动电流输出,即使在驱动大总线电容时也能实现高速运行。此类电路具有 CMOS 电路的低功耗,但与低功耗肖特基 TTL 电路相比仍然具有高速度。两个电路均能驱动最多 15 个低功耗肖特基输入。MM74HC125 需要采用 3 态控制输入 C 高电平才能将输出置于高阻抗状态,而 MM74HC126 需要该控制输入为低电平才能将输出置于高阻抗状态。通过对二极管联接 VCC 和接地,防止所有输入因静电放电受损。
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Die Related Summary Data
Device: MM74HC126M
Equivalent to wafer fab process: CMOS SUB
产品技术
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等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
CMOS SUB
3
7566029322
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Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)