13.56 MHz Passive RFID Device with Anti-Collision Feature
Description
MCRF355/360
13.
56 MHz Passive RFID Device with Anti-Collision Feature
Features
• • • • • • • • • • • • • Carrier frequency: 13.
56 MHz Data modulation frequency: 70 kHz Manchester coding protocol 154 bits of user memory On-board 100 ms SLEEP timer Built-in anti-collision algorithm for reading up to multiple tags in the same RF field “Cloaking” feature to minimize the detuning effects of adjacent tags Internal 100 pF resonant capacitor (MCRF360) Read only device in RF field Long read range Rewritable with contact programmer or factoryprogrammed options Very low power CMOS design Die, wafer, bumped wafer, COB, PDIP or SOIC package options
Package Type
PDIP/SOIC VPRG CLK Ant.
A NC Note: 1 2 3 4 8 7 6 5 VDD NC Ant.
B VSS
Pins 1, 2, 5 and 8 are for device testing and contact programming.
Pins 3, 5 and 6 are for external antenna connection.
NC = Not connected
Application
• • • • • Book store and library book ID Airline baggage tracking Toys and gaming tools Access control/asset tracking Applications for reading multiple tags and long read range
RF Carrier Reader Modulated RF Data
MCRF355 COB
5 mm
Ant.
A
MCRF355/360
Ant.
B Vss
Read range: ~ up to 1.
5 meters depending on tag size and system requirements.
Thickness = 0.
4 mm
2002 Microchip Technology Inc.
DS21287F-page 1
Antenna Coil Connection
8 mm
MCRF355/360
Description
The MCRF355 and MCRF360 are Microchip’s 13.
56 MHz microID™ family of RFID tagging devices.
They are uniquely designed read-only passive Radio Frequency Identification (RFID) devices with an advanced anti-collision feature.
They are programmable with a contact programmer.
The device is powered remotely by rectifying RF magnetic fields that are transmitted from the reader.
The device has a total of six pads (see Figure 1-1).
Three (ant.
A, B, VSS) are used to connect the external resonant circuit elements.
The additional three pads (VPRG, CLK, VDD) are used for programming and testing of the device.
The device needs an external resonant circuit ...
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