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MCRF455 Datasheet(PDF) 1 Page - Microchip Technology |
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MCRF455 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 50 page  2003 Microchip Technology Inc. DS40232H-page 1 MCRF450/451/452/455 Features • Contactless read and write with anti-collision algorithm • 1024 bits (32 blocks) of total memory • 928 bits (29 blocks) of user programmable memory • Unique 32-bit tag ID (factory programmed) • 32 bits for data and 16 bits for CRC per block • Block write protection • 70 Kbit/s read data rate (Manchester format) • Special bit (Fast Read) for fast identification and anti-counterfeit applications (EAS) • 1-of-16 PPM encoding for writing data • Interrogator-Talks-First (ITF) or Tag-Talks-First (TTF) operation • Long range for reading and writing • High-speed anti-collision algorithm for reading and writing • Fast and Normal modes for write data speed • Anti-tearing feature for secure write transactions • Asynchronous operation for low power consumption and flexible choice of carrier frequency bands • Internal resonance capacitors (MCRF451/452/ 455) • Two pad connections for external antenna circuit (MCRF452) • Three pad connections for external antenna circuit (MCRF450, 451, 455) • Very low power CMOS design • Die in waffle pack, wafer, wafer on frame, bumped wafer, COB, PDIP or SOIC package options Applications • Item Level Tagging: To read and write multiple items in long read range environment. • Anti-Counterfeit: The device has a unique feature to distinguish between paid, unpaid or returned merchandise. • Inventory Management: Tag’s data can be read or updated (written) in multiple tags and long range environment. Its memory (32 blocks, 1 Kbit, each block = 32 bits) is well organized for the inventory management applications. • Product Identifications • Airline Baggage Tracking • Book Store and Library Book ID • Low Cost Animal Ear Tags: The device’s long range reading performance combined with 1 Kbit of memory is suitable for animal tagging applica- tions. Tag cost can be cheaper and read range is much longer than existing 125 kHz conventional animal ear tags. • Toys and Gaming Tools: Device’s anti-collision feature for reading and writing allows to make intelligent interactive toys and gaming tools. • Access Control and Time Attendance Cards: Device’s long range performance allows to make long range access control, parking lot entry, and time attendance cards. Inexpensive finished tags and readers are available from Microchip’s worldwide OEM partners. Please contact Microchip Technology Inc. near you or visit http://www.microchip.com for further product information and inquiries for your applications. Typical Configuration for Applications Command and Data Read/Write Data Interrogator MCRF452 (Reader/Writer) Ant. A V SS Read/Write Range:~ up to 1.5 meters depending on tag size and system requirements. 13.56 MHz Read/Write Passive RFID Device |
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