ECHOCIPHER

Hi to all ive a question can i replace the 74HC14 with the 74LS14 can it work as well. thx to all. ECHO

Thx men i can find the 74LS240 to replace it for the 74HCT240 thats the circuit i just need to find another replace for the MPF970 thx to you men good luck. ECHO

hi to all i've start to find the transistor MPF970 and i cant find it in my location i've been read another post and find a possible replace but i cant find it again its the 2N3993 AND THE 2N5114 can anybody help me with another components more commons i'm from Colombia south-america. thx to all.

Hi to all ive a question i need a replace for the integrated circuit cause in my town i cant find it. he name of the ic is 74HCT240 and a provider said to me that the 74LS240 can replace it but i dont trust at all in his words can anybody help me??? SO many thxs to all. Echo