Go Down

Topic: 74595 VS HEF4794 (Read 1 time) previous topic - next topic

kshitijnsitian

Jul 05, 2012, 01:25 pm Last Edit: Jul 05, 2012, 01:48 pm by kshitijnsitian Reason: 1
I want to ask that for scrolling text on led matrix should I use 74595 or HEF4794.
I have read on internet that HEF4794 can only be used to sink current and is better than 74595.Is it true???
Can I use HEF4794 to source current as well??

MarkT

The HEF4794 has open drain outputs and can only sink current (abs max of 40mA per output, so fine for 20mA LEDs).   Google "<chipnumber> datasheet pdf" to find out about a chip.
[ I will NOT respond to personal messages, I WILL delete them, use the forum please ]

Go Up