isl9206a Intersil Corporation, isl9206a Datasheet

isl9206a

Manufacturer Part Number

isl9206a

Description

Flexihash+ For Battery Authentication

Manufacturer

Intersil Corporation

Datasheet

1.ISL9206A.pdf (17 pages)

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FlexiHash+™ For Battery Authentication

The ISL9206A is a highly cost-effective fixed-secret hash

engine based on Intersil’s second generation FlexiHash™

technology. The device authentication is achieved through a

challenge-response scheme customized for low-cost

applications, where cloning via eavesdropping without

knowledge of the device’s secret code is not economically

viable. When used for its intended applications, the

ISL9206A offers the same level of effectiveness as other

significantly more expensive high-maintenance hash

algorithm and authentication schemes.

The ISL9206A has a wide operating voltage range, and is

suitable for direct powering from a 1-cell Li-ion/Li-Poly or a

3-cell series NiMH battery pack. The ISL9206A can also be

3.3V or higher. The device connects directly to the cell

terminals of a battery pack, and includes on-chip voltage

regulation circuit, POR, and a non-crystal based oscillator for

bus timing reference.

Communication with the host is achieved through a single

wire XSD interface (a light-weight subset of Intersil’s ISD bus

interface). The XSD bus is compatible for use with serial ports

offered by all 8250 compatible UART’s or a single GPIO

(General Purpose Input and Output) pin of a microprocessor.

A clone prevention solution utilizing the ISL9206A offers

safety and revenue protection at the lowest cost and power,

and is suitable for protection against after-market

replacement for a wide variety of low-cost applications.

Ordering Information

ISL9206ADHZ-T*

ISL9206ADRTZ-T* 06A

*Please refer to TB347 for details on reel specifications.

NOTE: These Intersil Pb-free plastic packaged products employ special

Pb-free material sets, molding compounds/die attach materials, and

100% matte tin plate plus anneal (e3 termination finish, which is RoHS

compliant and compatible with both SnPb and Pb-free soldering

operations). Intersil Pb-free products are MSL classified at Pb-free peak

reflow temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

VDD

VSS

PART NUMBER

(Note)

(8 LD 2X3 TDFN)

TOP VIEW

ISL9206A

206A

MARKING

PART

XSD

TIO

RANGE (°C)

-25 to +85

TEMP.

VDD

VSS

Data Sheet

(5 LD SOT-23)

TOP VIEW

ISL9206A

5 Ld SOT-23

8 Ld 2x3 TDFN L8.2x3A

FlexiHash is a trademark of Intersil Americas Inc. All other trademarks mentioned are the property of their respective owners.

PACKAGE

(Pb-free)

1-888-INTERSIL or1-888-468-3774

XSD

TIO

P5.064

DWG. #

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

PKG.

Features

• Challenge-response based authentication scheme using

• Fast and flexible authentication process. Multi-pass

• 16x8 OTP ROM stores up to three sets of 32-Bit

• FlexiHash+™ engine uses two sets of 32-Bit secrets for

• Non-unique mapping of the secret key to an 8-Bit

• Supports 1-cell Li-ion/Li-Poly and 3-cell series NiMH

• XSD single-wire host bus interface communicates with all

• True “Zero Power” Sleep mode (automatically entered

• 5 Ld SOT-23 or 8 Ld TDFN (2mmx3mm) packages

• -25°C to +85°C operating temperature range

• Pb-free (RoHS compliant)

Applications

• Battery Pack Authentication

• Printer Cartridges

• Add-on Accessories

• Other Non-Monetary Authentication Applications

Related Literature

• Application Note AN1165 “ISL6296 Evaluation Kit”

• Application Note AN1167 “Implementing XSD Host Using

• Technical Brief TB363 “Guidelines for Handling and

32-Bit challenge code and 8-Bit authentication code.

authentication can be used to achieve the highest security

level if necessary.

host-selectable secrets with additional programmable

memory for storage of up to 48-Bits of ID code and/or pack

information.

authentication code generation.

authentication code maximizes hacking difficulty due to

need for exhaustive key search (superior to SHA-1).

battery packs (2.6V ~ 4.8V operation), or powered by the

XSD bus.

8250-compatible UART’s or a single GPIO. Supports CRC

on read data and transfer bit-rate up to 23kbps.

after a bus inactivity time-out period)

a GPIO”

Processing Moisture Sensitive Surface Mount Devices

(SMDs)”

July 30, 2008

Intersil (and design) is a registered trademark of Intersil Americas Inc.

ISL9206A

FN6651.1

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