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General description

The UCODE 7xm series is the latest generation of NXP’s memory UHF tag ICs. With the

high performance read range UCODE 7xm is well suited for applications which require

high read range and also demanding an extended user memory to store data specific

to customer or products. UCODE 7xm offers a user memory of 1-kbit or 2-kbit, whereas

UCODE 7xm+ supports 2-kbit user memory and a 384-bit digital signature.

All products incorporate features known from UCODE 7 like pre-serialization, tag power

indicator as well as the product status flag.

There are numbers of applications where the combination of high read range and user

memory is needed, such as:

• Inventory and supply chain management

• Process optimization (e.g in the automotive industry)

• Brand protection/authentication (e.g. expensive wines or branded luxury fashion items)

• Automatic vehicle ID where no cryptography is required

• Asset tracking (e.g. for high value assets)

• Aviation spare part tracking

Features and benefits

2.1 Key features

• Read sensitivity -19 dBm

• Write sensitivity -12 dBm

• Encoding speed: 32 bits per 1.5 milliseconds

• Up to 2-kbit user memory

• Digital signature

• Standard functionality

– Untraceable feature

– Tag Power Indicator

– Pre-serialization for 96-bit EPC

– Integrated Product Status Flag (PSF)

– Parallel encoding mode

• According to EPCglobal v1.2.0

• ATA Spec 2000 low memory tag compliant

• Compatible with single-slit antenna

2.1.1 Memory

• Up to 448-bit of EPC memory

• Supports Pre-serialization for 96-bit EPC

• 96-bit Tag IDentifier (TID) factory locked

• 48-bit unique serial number factory-encoded into TID

• 1-kbit user memory for UCODE 7xm

• 2-kbit user memory for UCODE 7xm

• 2-kbit user memory for UCODE 7xm+

• 384-bit digital signature in UCODE 7xm+

• 32-bit kill password to permanently disable the tag

• 32-bit access password

• Wide operating temperature range: -40 ° C up to +85 ° C

• Minimum 100.000 write cycle endurance

• Data retention 20 years

2.2 Key benefits

2.2.1 End-user benefit

• Extended user memory of up to 2-kbit

• Brand protection feature using digital signature

• Long read/write ranges due to high chip sensitivity

• Reliable operation in dense reader and noisy environments through high interference

rejection

2.2.2 Antenna design benefits

• High sensitivity enables smaller and cost efficient antenna designs

2.2.3 Label/module manufacturer benefit

• Large RF pad-to-pad distance to ease antenna design

• Symmetric RF inputs are less sensitive to process variation

• Single-slit antenna for a more mechanically stable antenna connection

• Pre-serialization of the 96-bit EPC

• Extremely fast encoding of the EPC content

2.3 Supported features

• All mandatory commands of EPCglobal v1.2.0 specification are implemented

• The following optional commands are implemented:

– Access

– BlockPermalock (block size of 256-bit)

– 32-bit BlockWrite

• Implemented custom commands and features:

– Untraceable

– ReadSignature

– Product Status Flag bit: enables the UHF RFID tag to be used as EAS

(Electronic Article Surveillance) tag without the need for a back-end database.

– Tag Power Indicator: enables the reader to select only ICs/tags that have enough

power to be written to.

– Parallel encoding: allows for the ability to bring (multiple) tag(s) quickly to the OPEN

state and therefore allowing single tags to be identified simply, without timing

restrictions, or multiple tags to be e.g. written to at the same time, considerably

reducing the encoding process

UCODE 7xm can be used in combination with readers compliant with EPCglobal v1.2.0

standard. For access to full UCODE 7xm family functionality, firmware upgrade of the

reader may be necessary.

Applications

3.1 Markets

• Logistics

• Smart Manufacturing

• Process automation

• Airline Industry

3.2 Applications

• Inventory and supply chain management

• Asset tracking

• Process optimization(e.g. in the automotive industry)

• Loss prevention

• Aviation spare part tagging

• Airline baggage tagging