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CD74HC165&CD74AC14

Other Parts Discussed in Thread: CD74HC165, CD74AC14

1)Dear Sir, please answer. I'd like to use CD74HC165 register with 3.3V supply and I need to connect Q7 output of  the CD74HC165 to the  input of  CD74AC14 (3.3V supply too). I will not have problems with this? 

2) If I use 74AC series at 5V supply, then I can load output pin at 20 mA source current.   If I use 74AC series at 3.3V supply, then can I load output pin at 20 mA source current (output pin in HIGH level and current flows from IC to GND via resistor) ?

TIA

Sincerely

Vladimir Naumenkov

www.agat.by