img Maxolous Re: Akula, Ruslan, Stalker, device discussion and replications. « Reply #547 on: 2023-08-31, 17:33:26 »
Sr. Member ****
Posts: 348 AG,
Thanks for bringing out some facts. Guys 74HC390 ie a versatile chip. This is how it works;
1. Divide by 2. Signal in pin 1 Signal out in pin 3 Ground 2,4,8,12,14,15
Divide by 4 In 1 Out 13 Gnd 2,4,8,12,14
3. Divide by 5 In 4 Out 7 Gnd 1,2,8,12,14,15
4. Divide by 10 In 1 Out 7 Tie 3-4 Gnd 2,8,12,14,15
5. Divide by 20 In 1 Out 13 Tie 3-4 Gnd 1,2,8,14,15
6. Divide by 50 Signal in 12 Signal out 7 Tie 1-9, 3-4 Ground 2,8,14,15
7. Divideby 100 In 12 Out 3 Tie 9-13, 1-2, 4-13 Gnd 2,4,8
Maxolous
|