Datasheet > EM4269

EM4269

更新时间： 2024-01-23 02:06:54

品牌	Logo	应用领域
EMMICRO		装置
页数	文件大小	规格书
1页	55K
描述
512 bit Read/Write Contactless Identification Device

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数据手册

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EM4269 数据手册

EM MICROELECTRONIC - MARIN SA

EM4269

512 bit Read/Write Contactless Identification Device

Description

Features

EM4269 is a CMOS integrated circuit intended for use in

electronic Read/Write RF transponders. It is compatible to

EM4469/4569 family. It is intended for direct connection of

coil to big bumps.

Comparing to EM4469/4569 family the changes are the

following:

512 bit EEPROM organised in 16 words of 32 bits

32 bit Password read and write protection

32 bit unique identification number (UID)

10 bit Customer code

ISO 11784 / 11785 Standard Compliant

Lock feature convert EEPROM words in read only

Multi-purpose encoding (Manchester, Biphase, Miller,

PSK, FSK)

New configuration bit co₂₅which inverts data input to

encoder is introduced.

Writing to Protection Word is modified.

Multi-purpose data rate from 1 up to 32k baud

100 to 150kHz frequency range

On-chip rectifier and voltage limiter

No external supply buffer capacitor needed

-40 to +85°C temperature range

Very low Power consumption

Big pads (200 μm x 400 μm) for direct connection of

coil using bumps

Resonant capacitor with options 330pF, 250pF and

75pF integrated on chip

The IC is powered by picking the energy from a

continuous 125 kHz magnetic field via an external coil,

which together with the integrated capacitor form a

resonant circuit. The IC read out data from its internal

EEPROM and sends it out by switching on and off a

resistive load in parallel to the coil. Commands and

EEPROM data updates can be executed by 100% AM

modulation of the 125 kHz magnetic field.

There are several data rate and data encoding options

available. Options are stored in EEPROM Configuration

word. Read and write access to EEPROM can be

protected by 32 bit password. All EEPROM words can be

write protected by setting lock bits which transform them

in read-only.

Applications

Access Control

Animal Identification according to ISO FDX-B

Material Logistics

It contains factory programmed and locked 32 bit UID

number, chip type and customer code. The resonant

capacitor value is selected by metal mask.

Typical Operating Configuration

EM4269

Fig 1

EM Microelectronic-Marin SA (EM) makes no warranty for the use of its products, other than those expressly

contained in the Company's standard warranty which is detailed in EM's General Terms of Sale located on the

Company's web site. EM assumes no responsibility for any errors which may appear in this document, reserves the

right to change devices or specifications detailed herein at any time without notice, and does not make any

commitment to update the information contained herein. No licenses to patents or other intellectual property of EM

are granted in connection with the sale of EM products, expressly or by implications. EM's products are not

authorized for use as components in life support devices or systems.

www.emmicroelectronic.com

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