M74HC173B1


Integrated Circuit


M74HC173B1


M54HC173 M74HC173 QUAD D-TYPE REGISTER (3-STATE)


The M54/74HC173 is a high speed CMOS QUAD D- TYPE REGISTER (3-STATE) fabricated in silicon gate C2MOS technology.

It has the same high speed performance of LSTTL combined with true CMOS low power consumption. This device is composed of a four-bit register includ- ing D-type flip-flops and 3-state buffers. The four flip- flops are controlled by a common clock input (CLOCK) and a common reset input (CLEAR). Sig- nals applied to the data inputs (D1-D4) are stored at the respective flip-flops on the positive going transi- tion of the clock input, only when both clock control inputs (G1 and G2) are held low.

The reset feature is asynchronous and active high. The stored data are provided on each output only when both output control inputs (M and N) are held low, otherwise the outputs go to the high-impedance state.

All inputs are equipped with protection circuits against static discharge and transient excess volt- age.


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Sketches:

  1. M74HC173B1 Quad D-Type Register (3-STATE) [Arduino]