NCD1015M Datasheet, PDF (1/13 Pages) IXYS Corporation – Sequential Power & Data Transmission (HDX)

INTEGRATED CIRCUITS DIVISION
NCD1015M
HDX RFID Integrated Circuit
Description
The NCD1015M is a module to be used in HDX, no-lead RFID devices for single transponder applications in the area
of electronic animal and industrial identification, operating in the low frequency (134.2 kHz) range, and supporting ISO
11784/85 standards. Additionally, it can be used as a read/write HDX module.
The NCD1015M contains an ASIC and 2 internal capacitors: one, a resonant capacitor, and the other a storage
capacitor. The ASIC contains 3 memory blocks of 32 bits each, based on field programmable, non-volatile EEPROM.
Each block contains 32 data bits (bit 1 ... bit 32). Blocks 1 and 2 are referred to as the 64-bit identification data page 1,
which is secured by an associated 16-bit CRC. Block 0 offers the option to irreversibly lock the RFID device. Once the
device is locked, it is fully compatible with ISO 11784/85 standards.
The HDX transponder IC receives Write-Block requests from the reader as a pulse interval encoded, 100% amplitude
modulated data signal.
Return data transmission from the transponder to the reader utilizes FSK encoded modulation. This is achieved by a
serial data stream controlled Frequency Shift Keying (FSK) of the transponder's resonant circuit oscillation with an
additional on-chip modulation capacitor between the two transponder terminals HF and GND. The passive
transponder uses the supplied RF signal to obtain the energy needed to send the 64-bit ID code to the reader.
Features
• Air Interface . . . . . . . . . . . . . . . . . . . . . . . . . No-lead, Sequential Power & Data Transmission (HDX)
• Radio Frequency Center Frequency . . . . . . 134.2 kHz Typically
• Reader  Tag Transmission . . . . . . . . . . . . Pulse Interval Encoding (PIE) ~1 to 2kBits/s
• Tag  Reader Transmission . . . . . . . . . . . . FSK Modulation, NRZ: “0” ~134.2kHz; “1” ~124.2kHz
• Tag  Reader Data Rate . . . . . . . . . . . . . . RF/16 (~8kBits/sec)
• On-Chip 16-Bit CRC Generator . . . . . . . . . Reverse CRC-CCITT as used in ISO/IEC 11785
• On-Chip Integrated Modulation Cap. C₁ . . . 110pF, ±20% according to silicon process deviation
• Resonance Capacitor, C_R . . . . . . . . . . . . . . 470pF, ±2%, 50V External SMD NP0 / C0G Capacitor
• Storage Capacitor, C_L . . . . . . . . . . . . . . . . . 220nF, ±5%, 10V Capacitor
• Identification Data Page . . . . . . . . . . . . . . . 64 Bits Data + Associated 16 Bits CRC
Ordering Information
Part #
NCD1015M
Package
No-lead RFID device supporting ISO 11784/85 standards
NCD1015M Block Diagram
ZAP_SEL
C_R C_L
V_DD
ZAP
HF
GND
DS-NCD1015M-R00A
PRELIMINARY
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