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LRI64-SBN18 Datasheet(PDF) 7 Page - STMicroelectronics |
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LRI64-SBN18 Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 52 page LRI64 Description 7/52 1 Description The LRI64 is a contactless memory, powered by an externally transmitted radio wave. It contains a 120-bit non-volatile memory. The memory is organized as 15 blocks of 8 bits, of which 7 blocks are accessible as Write-Once Read-Many (WORM) memory. Figure 1. Logic diagram The LRI64 is accessed using a 13.56 MHz carrier wave. Incoming data are demodulated from the received Amplitude Shift Keying (ASK) signal, 10% modulated. The data are transferred from the reader to the LRI64 at 26 Kbit/s, using the “1-out-of-4” pulse encoding mode. Outgoing data are sent by the LRI64, generated by load variation on the carrier wave, using Manchester coding with a single sub-carrier frequency of 423 kHz. The data are transferred from the LRI64 to the reader at 26 Kbit/s, in the high data rate mode. The LRI64 supports the high data rate communication protocols of ISO 15693 and ISO 18000-3 Mode 1 recommendations. All other data rates and modulations are not supported by the LRI64. Table 1. Signal names Figure 2. MLP connections 1. n/c means not connected internally. AC1 Antenna Coil AC0 Antenna Coil AI08590 AC1 LRI64 AC0 Power Supply Regulator Manchester Load Modulator ASK Demodulator 120-bit WORM Memory 1 AI11612 2 3 4 8 7 6 5 AC0 AC1 n/c n/c n/c n/c n/c n/c |
Similar Part No. - LRI64-SBN18 |
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Similar Description - LRI64-SBN18 |
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