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Maxim > Products > Power and Battery Management > DS3641

DS3641

SPI™-Compatible Secure Supervisor with 1KB Nonimprinting Key Memory

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

Overview

Technical Documents

Ordering Info

Status

Active: Data sheet on request only

Description

The DS3641 is a secure supervisor with 1,024 bytes of SRAM for applications requiring the secure storage of encryption keys, including POS terminals. The DS3641 supports the highest security level requirements of the FIPS 140.2, Common Criteria, PCI PED, and EMV® 4.1 certification agencies.

Data Sheet

Request Full Data Sheet

Key Features

1024-Byte Nonimprinting Key Memory with High-Speed Erase
64-Byte General-Purpose RAM (Not Cleared)
Real-Time Clock
Watchdog Timer
CPU Supervisor
Four General-Purpose Tamper-Detection Comparators with Associated Reference
Three Tamper-Detection Logic Inputs
On-Chip Programmable Temperature Sensor
On-Chip Random Number Generator
Latching and Time-Stamping of Tamper Events
3.3V to 3.6V Single-Supply Operation
BGA Package
Underwriters Laboratories (UL) Recognized

Applications/Uses

Alarm Systems
Automated Teller Machines
Digital Cinema Technology
Gaming
Healthcare
IT Security
Network Servers
PIN Pads
POS
Software-Defined Radios

Key Specifications:

Security Managers

Part Number

Analog Voltages Monitored

Digital Inputs Monitored

Internal Key Memory
(Bytes)

Ext. Memory Cntrl.

Random Number Gen.

Over Voltage Monitor

Battery Monitor

Package/Pins

Smallest Available Pckg.
(mm²)

Oper. Temp.
(°C)

max w/pins

DS3641

1024

Yes

CSBGA/25

-40 to +85

See All Security Managers (10)

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

Application Notes

Application Note 3976		Embedded Security Going Forward
Application Note 4244		Secure Managers Provide Multifaceted Monitoring to Ensure System Security
Application Note 4297		Battery Selection for Secure Supervisor Applications

Product Guides

Microcontrollers (PDF)

Microprocessor Supervisory (PDF)

Real-Time Clocks (PDF)

Reliability Reports

Reliability Report:	DS3641.pdf
Underwriters Laboratories (UL) Recognized

Software/Models

none

Ordering Information

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
DS3641B+			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
DS3641B+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

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.

Similar Products by Function

DS3605	NV SRAM Controller with Real-Time Clock and Thermal Tamper Detection
See All Security Managers (10 Products)

Similar Products by Application

Automatic Teller Machine (ATM) Systems > Secure Microcontroller

Automatic Teller Machine (ATM) Systems > Temperature Sensors

Computers: Desktops and Workstations > Real-Time Clocks

Point-of-Sale (POS) Terminals > Security Manager

More Information

New Product Press Release

[ 2007-04-11 ]

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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

Document Ref.: 119-0010 Rev 7; 2011-05-31
This page last modified: 2011-05-31