General description
The UCODE 8 and UCODE 8m ICs are the latest NXP products of the UCODE family.
UCODE 8/8m offers high performance and features for use in the most demanding RFID
tagging applications.
Particularly well suited for inventory management applications, like e.g Retail and
Fashion, with its great RF performance for any given form factor, UCODE 8/8m
enables long read distance and fast inventory of dense RFID tag population. With its
broadband design, it offers the possibility to manufacture true global RFID label with
great performance over worldwide regulations.
The device also provides a Self Adjust Feature, a Product Status Flag for Electronic
Article Surveillance (EAS) application, pre-serialized 96-bit EPC, Brand Identifier and the
EPC Gen2v2 compliant Untraceable command.

Key features
• Read sensitivity -23 dBm
• Write sensitivity -18 dBm
• Innovative functionality
– Self Adjust
– Memory Safeguard
– Brand Identifier
– Untraceable
– Pre-serialization for 96-bit EPC
– Integrated Product Status Flag (PSF)
• Compatible with single-slit antenna
• Up to 128-bit EPC
• 96-bit Unique Tag Identifier (TID) factory locked, including 48-bit unique serial number
• EPC Gen2v2

Memory
• 128-bit/96-bit (UCODE 8/UCODE 8m) 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
• 0-bit/32-bit (UCODE 8/UCODE 8m) User Memory
• 32-bit kill password to permanently disable the tag
• 32-bit access password
• Wide operating temperature range: -40 °C up to +85 °C
• Minimum 100k write cycle endurance