Re: Board arrived!

[Bill Lewis <wrl...@gmail.com>]

I still like Digi-Key for small orders I want fast.
USPS First Class mail costs about $2.50 and takes 2 days to Maryland.
Order on Monday afternoon and had it in Wednesday's mail.

Although do charge sales tax.  I'm not sure if that's a recent change or not.

Bill

On Friday, August 31, 2012 6:34:43 PM UTC-4, Sergey wrote:
> Multiple sources (at least in US).
>
> Specifically for US:
> - If you want to be cheap, Unicorn Electronics (http://
> www.unicornelectronics.com/) has wide selection, including logic (74LS/
> ALS/HCT), Intel 8xxx series, including 8255 and its CMOS variant 82C55
> (which I would recommend over original NMOS version). They also have
> free shipping for orders over $25.
>
> - For new parts Mouser was my favorite source for quite some time. It
> is more expensive (sometimes as much as twice compared to Unicorn).
> But all parts are new, manufacturer is specified (not just any generic
> part). They also provide great packaging, and their web store is
> extremely convenient (parametric search, datasheets). Recently they
> have added $5.99 UPS+USPS shopping option, which is almost twice
> cheaper than alternatives (Fedex or UPS).
> Specifically for N8VEM/Zeta project Mouser has:
>   - All the logic ICs
>   - Z84C0010PEG (CMOS Z80 CPU)
>   - UART (16C550)
>   - PPI (Intersil CP82C55)
>   - All the passives and interconnects
>   - Many more...
>
> - Jameco, but I somehow dissatisfied with their selection (they
> removed many logic ICs, 74HCT/74AHCT is almost gone, they still have
> some 74LS though)
>
> - Chinese dealers... such as Utsource. They've been reliable as far as
> shipping the right components, but in several cases components were
> defective and in many cases they were "remanufactured" desoldered,
> etc. But in all cases they've sent me replacements for broken
> components.
>
> - eBay... IMHO last resort, maybe for things like TMS9918 (BTW, get
> TMS9918A, it is backward compatible, but supports additional modes).
>
> Thanks,
> Sergey
>
> On Aug 31, 2:16 pm, Paul Anderson <wacky...@gmail.com> wrote:
> > My PCB has just arrived! Can't wait to get started. What is the current preferred source for the hard to get parts, like the 8255's?
> >
> > --------
> > Paul Anderson -- VE3HOP