I am building this project where I have to use presettable BCD up down
counter 74ls192 but that IC is not available in my country... Instead
74LS190 is available.. How can I configure it to work the same???? I am
from a small asian country, NEPAL... Can anyone help me out??? the
circuit I am building is the watchman watcher which uses this counter
to count how many times the watchman has missed the call... its at
http://electronicsforu.com/electronicsforu/lab/ at no.. 54 .. don't
hesitate to help me.. its my 2 credit project..