MM74HC540 和 MM74HC541 3 态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。这些电路与低功耗肖特基器件相比还能实现高速度,同时保留了 CMOS 电路的优点,即高抗扰性和低功耗。两个器件具有相当于 15 个 LS-TTL 输入的扇出。MM74HC540 是反相缓冲器,MM74HC541 是非反相缓冲器。该 3 态控制门极作为两输入 NOR 运行,因此当 G1# 或 G2# 为高电平时,所有八个输出均为高阻抗状态。为了增强 PC 板布局,MM74HC540 和 MM74HC541 提供的引脚输出为输入和输出位于封装的对侧。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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Device: MM74HC540MTC
Equivalent to wafer fab process: CMOS SUB
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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.)