Need to find parts 82S23 / 74S188

[ben]

On 30/10/2010 3:21 PM, Tony Duell wrote:

> IIRC, this is a PROM, 32*8 I think. Do you have a copy of the data to
> program into it? A blank chip is not a lot of use to you otherwise...

You can get proms burned here:
http://www.hobbyroms.com/index.html

Does the output have to Open Collector?
I was thing of substituting a 32x8 tristate prom.

> Also while all the derives you've mentioned are I think compatible when
> being read (that is, as they are normally used in the circuit), the
> programming algorithms are different for differnet manufacturers. You need
> to get one that your programmer can handle
>
> -tony
>