EDE707 Octal Seven-Segment Display IC

[twanlee]

Anyone known of any alternatives (preferably more commonly available ICs) to drive multiple 7-segment displays for my space limited project?

It would be helpful. Thanks

 

[picasm]

The Maxim MAX7219 works with common cathode displays and uses a 3wire serial interface.
Or you could use a MAX6951 charlieplexed chip with SPI interface, this chip is only available in a small 16/QSOP package though - good for space saving if you can solder it.

 

[twanlee]

thanks! i was searching for ages and didn't come to anything close like this.

do u know of any ICs where i can send the input as a BCD from 4 or so microcontroller pins instead of having to serially send the data?

 

[guen_max]

I don't know if I can help in any way but we did a digital chess clock last time, and for the display we had eight 7-segment display (like microwave displays, the red ones).

Ours were common anodes so we had the motorola BCD to 7-segment decoder/driver or simply 74LS47...We used the pic 16f84 as the microcontroller...just surf for the specs of this IC

 

[hotwaterwizard]

Search Results

EDE707 Octal Seven-Segment Display IC
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Datasheet
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Available at Jameco Electronics
http://www.jameco.com/webapp/wcs/st...toreId=10001&catalogId=10001&productId=321710
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Ekector Electronics Did an Article on it in Dec 2002
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Projects
http://www.aluna.com/lu_projects/kitchen_timer_01.html