Maxim > Products > iButton® Devices > DS1425

DS1425

Multi iButton

Overview

Technical Documents

Ordering Info

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Status

Part Number	Status	Replacement	Explanation
DS1425	This product is being discontinued and is subject to Last Time Buy, after which new orders can not be placed. See Ordering Information for recommended replacements.	DS1961S	Replacement part, but since not functionally identical, will require software changes.

Description

Authorization iButtons® are sophisticated microelectronics, sealed into miniature stainless steel cans, creating a low cost, portable medium for storing and controlling access to sensitive information.

iButtons are used with port adapters as a hardware based protection system for software. iButtons help protect the right to copy software by actually protecting the right to execute it. Software can now be locked to a user, a machine, or an application with a complete audit trail and guaranteed uniqueness.

Data Sheet

Download	Rev 1	(PDF, 784kB)
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This product contains lithium-metal batteries. See applicable regulations for transport requirements for batteries in equipment.

Key Features

Provides a unique 64-bit serial number and three 384 bit fields of password protected RAM
Intelligent response generator included
No external power required
Uses inexpensive 1-Wire® protocol
Universally portable across platforms

Application Notes

Application Note 155

1-Wire® Software Resource Guide Device Description

Reliability Reports

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Ordering Information

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Temperature:

Tape and Reel

Sample

Part Number	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1425L-F5		N/A	Last Time Buy	DS1961S	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1425L-F5+			Last Time Buy	DS1961S	CAN-F5;2 pin;301 mm² Outline Drawing:21-0266 (PDF) Land Pattern: Not Available Use pkgcode/variation: IB+5BW*	0°C to +70°C	RoHS/Lead-Free: Lead Free Materials Analysis

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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Information Index

Overview		Technical Documents		Ordering Info		Related Products
Description Key Features Applications/Uses Key Specifications Diagram Notes and Comments		Data Sheet Application Notes Evaluation Kits Product Guides Reliability Reports Software/Models		Price and Availability Samples Buy Online Package Information Lead-Free Information		Similar Products by Function Similar Products by Application Evaluation Kits Products with Similar Part Numbers Products Used With This

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