128-Bit IDIC for Radio Frequency Identification
e5530
128-Bit IDIC® for Radio Frequency Identification
Description
The e5530 is part of a closed coupled identification ...
Description
e5530
128-Bit IDIC® for Radio Frequency Identification
Description
The e5530 is part of a closed coupled identification system. It receives power from an RF transmitter which is coupled inductively to the IDIC®. The frequency is typically 100 to 450 kHz. Receiving RF, the IDIC® responds with a data stream by damping the incoming RF via an internal load. This damping-in-turn can be detected by the interrogator. The identifying data are stored in a 128 bit PROM on the e5530, realized as an array of laserprogrammable fuses. The logic block diagram for the e5530 is shown in figure 2. The data are output bitserially as a code of length 128, 96, 64 or 32 bits. The chips are factory-programmed with a unique code. Bitrate [bit/s]: RF/8,RF/16, RF/32, RF/40, RF/50, RF/64, RF/80, RF/100, RF/128, RF/256 FSK, PSK, BIPH, Manchester BIPH-FSK
Features
D Low power, low voltage CMOS D Rectifier, voltage limiter, clock extraction
on-chip (no battery)
Modulation:
D Small size D Factory laser programmable ROM D Operating temperature range –40 to +125°C D Radio Frequency (RF): 100 to 450 kHz D Transmission options
Code length: 128, 96, 64, 32 bits
Application
RF transmitter and interrogator IDIC® e5530
95 10318
RF
Figure 1. Application
Analog front end Mod Modulator FSK PSK BIPH Manchester Row decoder Data
95 10155
Load Coil
Clock extractor
Clk
R7 R6 R5 R4 R3 R2 R1 R0
128 bit PROM
Coil A2 A1 A0 A6 A5 A4 A3
Rectifier
Bitrate
VDD
VSS
Figure 2. Block diagram
IDIC® stands for IDenti...
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