MultiKey iButton

Overview

Technical Documents

Ordering Info

User Comments (2)

All

Status

Part Number	Status	Replacement	Explanation
DS1991	This product is Not Recommended for New Designs. Some versions may be No Longer Available or being discontinued and subject to Last Time Buy, after which new orders can not be placed.	DS1977	DS1991 is only available under allocation due to end of life program. Recommended alternatives will require software/firmware updates to existing systems.

Data Sheet

Download	Rev 2	(PDF, 744kB)
E-Mail

Ordering Information

Filters:

Part Number:

Package:

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
DS1991L+004-000		N/A	No Longer Available	DS1977	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-003-0000		N/A	No Longer Available	DS1991L-003-0000+	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-003-0000+		N/A	No Longer Available		CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-004-000		N/A	No Longer Available	DS1991L+004-000	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-004-000+		N/A	No Longer Available		CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-702-00A		N/A	No Longer Available	DS1991L-702-00A+	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-702-00A+		N/A	No Longer Available	DS1977	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-702-00B+		N/A	No Longer Available		CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-F5		N/A	No Longer Available	DS1991L-F5+	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-F5+			NRND	DS1977	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
Part Number	Free Sample	Buy	Status	Recommended Replacement	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS1991L-F5+A1A		N/A	No Longer Available		CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-F5/A1A		N/A	No Longer Available	DS1991L-F5+A1A	CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet
DS1991L-F5W		N/A	No Longer Available		CAN; Land Pattern: Not Available	0°C to +70°C	See data sheet

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.

Didn't Find What You Need?

Next Day Product Selection Assistance from Applications Engineers
Parametric Search
Applications Help

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 2; 2004-01-29
This page last modified: 2008-07-22

MultiKey iButton

Status

Data Sheet

Ordering Information

Didn't Find What You Need?

Information Index

Overview

Technical Documents

Ordering Info

Related Products