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Part Number	Status	Replacement	Explanation
DS1420	This product is Not Recommended for New Designs.	DS1990A	Direct replacements except for "custom" ROM bits which are not set (ms-bit of family code).

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Tape and Reel

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Notes:

Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
* Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.

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Rev 1; 1998-02-17
This page last modified: 2007-06-18