MAX66120K-000AA+【PDF 1/24 页】IC RFID UID 1KB TYPEB MEM KEYFOB

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Sheet目录474

[1页]2页 3页 4页 5页

ATION

EVALU

AVAILA

19-5623; Rev 0; 11/10

KIT

BLE

ISO 15693-Compliant 1Kb Memory Fob

General Description

The MAX66120 combines 1024 bits of user EEPROM, a

64-bit unique identifier (UID), and a 13.56MHz ISO

15693 RF interface in a plastic key fob. The memory is

organized as 16 blocks of 8 bytes plus two more blocks

for data and control registers. Each block has a user-

readable write-cycle counter. Four adjacent user

EEPROM blocks form a memory page (pages 0 to 3).

Memory protection features are write protection and

EPROM emulation, which the user can set for each indi-

vidual memory page. The MAX66120 supports all ISO

15693-defined data rates, modulation indices, subcarri-

er modes, the selected state, application family identifier

(AFI), data storage format identifier (DSFID), and the

Option_flag bit for read operations. Memory write

access is accomplished through standard ISO 15693

memory and control function commands.

Applications

Driver Identification (Fleet Application)

Access Control

Asset Tracking

Ordering Information

Features

? Fully Compliant with ISO 15693 and ISO 18000-3

Mode 1 Standard

? 13.56MHz ±7kHz Carrier Frequency

? 1024-Bit User EEPROM with Block Lock Feature,

Write-Cycle Counter, and Optional EPROM-

Emulation Mode

? 64-Bit UID

? Read and Write (64-Bit Block)

? Supports AFI and DSFID Function

? 10ms Programming Time

? To Fob: 10% or 100% ASK Modulation Using 1/4

(26kbps) or 1/256 (1.6kbps) Pulse-Position Coding

? From Fob: Load Modulation Using Manchester

Coding with 423kHz and 484kHz Subcarrier in Low

(6.6kbps) or High (26kbps) Data-Rate Mode

? 200,000 Write/Erase Cycles (Minimum)

? 40-Year Data Retention (Minimum)

? Compatible with Existing 1Kb ISO 15693 Products

on the Market

? Supports the Option_Flag for Read Operations

PART

MAX66120K-000AA+

TEMP RANGE

-25°C to +50°C

PIN-PACKAGE

Key Fob

? Powered Entirely Through the RF Field

? Operating Temperature: -25°C to +50°C

+Denotes a lead(Pb)-free/RoHS-compliant package.

Key Fob Mechanical Drawing appears at end of data sheet.

Typical Operating Circuit

13.56MHz READER

TRANSMITTER

TX_OUT

MAGNETIC

COUPLING

IC LOAD

SWITCHED

MAX66120

RX_IN

ANTENNA

LOAD

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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