I²C Secure Supervisor with 1KB Nonimprinting Battery-Backed Encryption Key SRAM

Single-Chip Solution Providing Security, Tamper Detection, Encryption Key Storage, and Encryption Key Destruction in Event of Tamper

Ordering Info

Status

Part Number	Status
DS3640	Active: In Production. See Ordering Information for details.

Filters:

Part Number:

Package:

Temperature:

Tape and Reel

Sample

Part Number	Free Sample	Buy	Status	Package: TYPE PINS FOOTPRINT DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
DS3640B		N/A	No Longer Available	CSBGA;25 pin;25 mm² Outline Drawing:21-0361 (PDF) Land Pattern: 90-0298 (PDF) Use pkgcode/variation: X25-1*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
DS3640B+			Active: Data sheet on request only	CSBGA;25 pin;25 mm² Outline Drawing:21-0361 (PDF) Land Pattern: 90-0298 (PDF) Use pkgcode/variation: X25+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS3640B+C01			Active: Data sheet on request only	CSBGA;25 pin;25 mm² Outline Drawing:21-0361 (PDF) Land Pattern: 90-0298 (PDF) Use pkgcode/variation: X25+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS3640B+DIE			Active: Data sheet on request only	DICE SALES;NA pin;CSBGA; Land Pattern: Not Applicable Use pkgcode/variation: DICE18+*	-40°C to +85°C	See data sheet
DS3640B+TRL			Active: Data sheet on request only	CSBGA;25 pin;25 mm² Outline Drawing:21-0361 (PDF) Land Pattern: 90-0298 (PDF) Use pkgcode/variation: X25+2*	-40°C to +85°C	RoHS/Lead-Free: Lead Free Materials Analysis
DS3640K			Active: Data sheet on request only	N/A; Land Pattern: Not Available	-40°C to +85°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.

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

Document Ref.: 119-0008 Rev 8; 2011-05-31
This page last modified: 2011-05-31