thank you!!!!!Hello,
As said the 4511 is CMOS technology that can be used between 5 and 15 Volts and has a latch (buffer) in the decoder chip available.
The 7447 is TTL technology that only can be used on 5 Volts and has only a decoder inside.
For more info look in the attached datasheets.
Bertus
by Duane Benson
by Duane Benson
by Jake Hertz
by Duane Benson