ST25TB series tags. April 2017

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Brittney Barnett
5 years ago
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1 ST25TB series tags April 2017

2 ST25TB product 2 The ST25TB chip belongs to ST25 NFC / RFID Tags. The ST25TB product is HF Tag based on ISO14443 Type B standard with following main features: ISO14443 RF interface Up to 4kbit EEPROM memory with lock 2*32-bit counters with anti-tearing mechanism OTP locks 40 years data retention & 1Mcycles erase/write

3 Main ST25TB market segments 3 Smart Home Smart Industry Smart City Maintenance repair, Asset Tracking Transport, Mass transit

4 Key use cases 4 Mass transit Ticketing Event ticketing One/multiple trip ticket Traceability

ST25TB RFID tags 5 ST25TB512 / ST25TB02K / ST25TB04K RF Tag ISO 14443-B Short Range 106kb/s SBN12: sawn and bumped inked 8 wafer, 120µm thickness EEPROM 512bit / 2K / 4K-bit 010011011100001

5 ST25TB RFID tags 5 ST25TB512 / ST25TB02K / ST25TB04K RF Tag ISO B Short Range 106kb/s SBN12: sawn and bumped inked 8 wafer, 120µm thickness EEPROM 512bit / 2K / 4K-bit bit UID 32-bit counter x2 Use cases Mass transit and Transport Event ticketing Asset tracking Brand protection, identification Key features Fast data transfer (ISO14443-B) UID Write-Protected memory blocks One Time Programmable memory blocks Key benefits Large and flexible counting capability with anti-tearing feature Temperature range -40 C to +85 C 40 years data retention, 1M cycles erase/write

6 ST25TB product features 6 Contactless Interface RF range RF speed Memory format Unique ID ST25TB512-AC ST25TB02K-AC ST25TB04K-AC ISO14443B Proprietary (No NFC compliancy) User EEPROM + Resettable OTP Short range, up to 10cm Up to 106kbps 64-bit ST25TB512-AT User EEPROM Memory size 512-bit / 2-Kbit / 4-Kbit 512-bit Counter Security 2x 32-bit counters OTP lock RF tuning capacitor 68pF ² Temperature range Package -40 C to +85 C SBN12 (Sawn and Bumped, 120µm thickness, inkless) ²: 68pF internal RF tuning capacitor, equivalent to the 64pF value of current SRI/SRT chips.

7 Memory organization 7 ST25TB512-AT Block Addr 0 Block Addr 1 Block Addr 2 Block Addr 3 Block Addr 4 Counter 1 Counter 2 Block Addr 7 ST25TB512-AC Block Addr 0 Block Addr 1 Block Addr 2 Block Addr 3 Block Addr 4 Counter 1 Counter 2 Block Addr 7 ST25TB02K-AC Block Addr 0 Block Addr 1 Block Addr 2 Block Addr 3 Block Addr 4 Counter 1 Counter 2 Block Addr 7 ST25TB04K-AC Block Addr 0 Block Addr 1 Block Addr 2 Block Addr 3 Block Addr 4 Counter 1 Counter 2 Block Addr 7 Block Addr 15 Block Addr 15 Lockable Block Addr 63 OTP bits Counters Block Addr 127

ST25TB counters 8 Two 32-Bits Counter means more than 4 billion events Reliable Count down only by step of 1 or more can not be reloaded once reached 00000000h Anti-tearing mechanism ensures the

8 ST25TB counters 8 Two 32-Bits Counter means more than 4 billion events Reliable Count down only by step of 1 or more can not be reloaded once reached h Anti-tearing mechanism ensures the consistency of the counter New value only lower than the stored one. Previous value restored in case of power loss Write protected Once protected, cannot be unprotected On ST25TBxxx-AC version one counter is used to Reset OTP pages

9 ST25TB Anti tearing mechanism 9 Write New value < Old value Old value Read ST25TB Counter address Block 5 or 6 Old Value FF Read After Write In Normal Conditions ST25TB Counter address Block 5 or 6 New value Old value New value Write New value (if < Old value) Read After Write In tearing Conditions ST25TB Counter address Block 5 or 6 Old Value Old value Tearing????? Write New value (if < Old value)

10 RF tuning capacitance 10 68pF The internal RF tuning capacitance is 68pF which is allowing antenna design from Class 1 to Class 6 form factor. Standard Main carrier frequency Data sub-carrier frequency Optimal frequency tuning Internal capacitor Targeted coil value ST25TB ISO MHz 848kHz 14.2MHz 68pF 1.9uH

11 ST25TB package 11 Die form named SBN12 Different package Sawn and Bumped wafer, 120µm thickness, inkless wafer format Bump Signal name 1 AC0 2 AC1 3 NC 4 NC Assembly option on inlay

12 ST25TB Chipbond 12 News New subcon ChipBond Previous subcon PacTech Bump thickness (nom.) 18 µm 20 µm Bump dimension (nom.) Passivation opening + 6 µm Passivation opening + 40 µm Bump material Au Ni (+ Au flash)

13 ST25TB support eco-system 13 Customer oriented Documentation e2e community Antenna Design suite PC SW tools

14 ST25TB in Brief 14 To Remind 512-Bits 2K-Bits and 4K-Bits user memory with write protect features Large and flexible counting capability with anti-tearing feature flexible and easy scalable solution EEPROM / One Time Programmable memory Counters Protections Established chips compatible with most popular contactless ticketing systems

15 Thank You!

ST25TV product presentation. June 2018

ST25TV product presentation. June 2018 ST25TV product presentation June 2018 ST25TV512 / 02K Product 2 The ST25TV chip belongs to ST25 NFC / RFID Tags & Readers family ST25TV is the natural evolution of LRI2K series The ST25TV512 / ST25TV02K