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74HC595 Differences? — Parallax Forums

74HC595 Differences?

Tim-MTim-M Posts: 522
edited 2008-09-12 08:10 in General Discussion
Hi Everybody,

I need to order some 74HC595 shift registers·in a DIP/Through-Hole package.· What I'm finding in this configuration is that the prices vary from 18 cents to $2.00+ apiece.· In reading data sheets, I don't see much difference between them to explain the cost range... can you guys who have used them help explain this?· I must be missing something.··The plan is to·order 20-30 of them and don't want to make a mistake.

Thanks,

Tim

Comments

  • LeonLeon Posts: 7,620
    edited 2008-09-11 17:28
    They should all be the same, if you get them from reputable suppliers. The cheaper ones might be non-RoHS.

    Leon

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  • Tim-MTim-M Posts: 522
    edited 2008-09-12 00:30
    Thanks for the heads up Leon, I'll order 'em up.

    Tim
  • John BondJohn Bond Posts: 369
    edited 2008-09-12 08:10
    We're getting tons of VERY cheap "non ROS compliant" components out here in South Africa at the moment. It's electronics hobbyists paradice. A single ULN2803A for US$0.15cents for example. Huge discounts for quantity.

    It's makes better business sense to sell obsolete components in some obscure market than to mess up your main market so many of the manufacturers are dumping components locally rather than sell them in the US or Europe. They're probably also dumping them in the Far East (and possibly dumping them in the sea as refuse as well).

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