TTL to TTL interface (CB13058E)

Details
Written by: Newton C. Braga

 

In the figure we have a circuit that allows to interface TTL logic with TTL logic, but with total isolation of the signals. The data transmission speed can be adapted by adjusting the Rin and RL value. The following table provides values for some data speeds as a function of RL and Rin.

Table:

RL(ohms) Rin(ohms) IF(mA) f(max) (kHz) 2200 1800 1,7 40 270 390 8 125 100 180 17 150

 

 


 

 

 

 

  

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