Have you considered using a CPLD? I use the Xilinx 9336 and it is great for
doing simple stuff like this. In my case it does more then just count (it
also generates memory strobes) but it's way easier then working with
discrete components. TTYL

> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of James Williams
> Sent: Monday, November 12, 2001 09:23
> To: PICLIST@MITVMA.MIT.EDU
> Subject: [PIC] Up/Down counter IC
>
>
> Hello,
>
> Does anyone have good suggestions on which up/down counter chips
> woudl work
> best for cascading and using as a 24bit address generator?  I
> would love to
> know if they are IC that do not have a parrallel load pins, just
> an up/down
> pin, a clear pic and a clock input along with either 4 or 8 bit
> outputs and
> the cascade carry signals which carry to the next IC.
>
> Thanks,
>
> James
>
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