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The HITAG 1 stick transponder HT1DC20S30, based on the HITAG tag IC, is a high performance transponder for bi-directional data transmission in full-duplex mode. Data is stored in the transponder in a non-volatile memory (EEPROM).

The transponder acts as a passive device, thus not having the need for any internal power supply (battery).

It derives power from the magnetic component of the RF resonant frequency generated by the reader. Data is transmitted by modulating this resonant frequency.

The HT1DC20S30 is dedicated for use in secure access systems where the transponder and the reader have to identify each other.

The EEPROM has a capacity of 2048 bits and is organised in 64 pages. Access is provided either in page mode or in block mode, where 1 block includes 4 pages.

Data transmission from the HT1DC20S30 to the reader uses Manchester or biphase coding and Amplitude Shift Keying (ASK) modulation. Absorption modulation is used to transmit data from the transponder to the reader. The transponder absorbs the magnetic field which hence modulates the current in the reader antenna.

Data transmission from the reader to the HT1DC20S30 uses Binary Pulse Length Modulation (BPLM).

The anticollision feature of the transponder allows to operate several transponders simultaneously in the field of the reader antenna. To use that feature, the reader needs to have implemented the anticollision protocol and must be able to detect bit-collisions (e.g. the Philips HTRM800 long range reader module includes the anticollision protocol.

FEATURES:
Complete identification transponder for use in contactless applications.
Operating frequency 125 kHz.
Data transmission and supply energy via RF link, no internal battery.
Low power EEPROM technology for writing distance that equals reading distance.
Total memory size 2048 bits.
Parts of memory can be write protected by the user.
Effective communication protocol with outstanding data integrity check.
Secure mutual authentication function.
Encrypted data transmission.
Anticollision protocol for handling of multiple transponders inside the field of the reader antenna.

Special features:
User defined write protection.
Unique 32-bit serial number for each transponder.
Encrypted data transmission possible.

NXP Smart Label and Tag Ics
ISO 15693 ISO 18000 ISO 11784/85    
Product Features HITAG™ 1 HITAG™ 2 HITAG™ S 256 HITAG™ S 2048
Total Memory        
Size [bit] 2048 bit 256 bit 256 bit 2048 bit
Write Endurance [cycles] 100 000 100 000 100 000 100 000
Data Retention [yrs] 10 10 10 10
Organisation 64 blocks á 4 bytes 8 blocks á 4 bytes 64 blocks á 4 bytes 64 blocks á 4 bytes
RF-Interface        
According to HITAG 1 HITAG 2,ISO11784/85 HITAG 1+,ISO11784/85 HITAG 1+,ISO11784/85
Frequency 100 … 150 kHz 100 … 150 kHz 100 … 150 kHz 100 … 150 kHz
Baudrate [kbit/s] up to 4 up to 4 up to 8 up to 8
Anticollision yes, collision
detection
 - yes, collision
detection
yes, collision
detection
Operating Distance [m] up to 1.5 up to 1.5 up to 2.0 up to 2.0
Security        
Unique Serial Number [byte] 4 4 4 4
Write Protection blockwise blockwise blockwise, multi
user mode
blockwise, multi
user mode
Access Keys 32-bit 48-bit 48-bit 48-bit
Access Conditions Encrypted Mutual
Authentication or
Plain
Encrypted Mutual
Authentication or
Plain
Encrypted Mutual
Authentication or
Plain
Encrypted Mutual
Authentication or
Plain
Encryption Algorithm yes yes yes, for authentication
only
yes, for authentication
only
Special Features        
EAS  -  -  -  -
AFI  -  -  -  -
EPC  -  -  -  -
TTF Modes  - yes yes yes
Destroy Command  -  -  -  -
Privacy Command  -  -  -  -
Packaging        
Sawn Wafer HT1ICS3002W/V9F HT2ICS2002W/V9F  -  -
Sawn Wafer (Au-Bumped)  -  - HTSICHxx01EW/V4 HTSICHxx01EW/V4
Other Packages MOA2 MOA2, SOT 385-1 FCP2, HVSON2,
MOA2
FCP2, HVSON2,
MOA2