本文要分享的是Mullard FJH291/7403N，它是一颗Quadruple 4-input NAND gate with open collector output transistor. （四路4输入NAND门，开漏输出晶体管）是一种数字逻辑集成电路，具有四个4输入NAND门，并且输出采用了开漏（open collector）输出结构。 1-完整芯片的dieshot高清图片 对 ...

This CMOS two-input combination NAND/NOR gate is a three-input, fourpin logic gate. A p-channel enhancementtype MOSFET (Q1) and an n-channel enhancement-type MOSFET (Q4) form one complementary ...