MB89R112 datasheet(44/49 Pages) RAMXEED

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MB89R112

DS411-00004-3v0-E





USAGE NOTES



Notes on the RF interface

- The performance of transponder is determined by not only LSI specification but also antenna design and

reader/writer characteristics. Therefor it is recommended for the customers to optimize the antenna and

reader/writer according to the required communication distance and usage environment.

- If the user intends to access multiple transponders from a reader/writer, the interference between

transponders or between the reader/writer and a transponder may degrade communication performance

(transmission distance and communication time) . Therefore, a user who intends to design a system using

multiple transponders should consider this point.



FeRAM Characteristics

*1 : Total number of reading and writing defines the minimum value of endurance, as an FeRAM memory

operates

with destructive readout mechanism.

*2 : Minimum values define retention time of the first reading/writing data right after shipment.

*3 : This value is calculated by reliability test results for reference as well.



Differences of the function between ISO/IEC15693 and MB89R112.

The comparison of the function between ISO/IEC 15693 and MB89R112 is shown in the table below.

MB89R112 does not support the following functions.

• 1 out of 256 data coding

• 2-subcarrier

• Write Multiple Blocks command

Item

Value

Unit

Parameter

Min

Max

Read/Write Endurance*1

1012



Times/byte Operation Ambient Temperature TA   85 C

Data Retention*2



Years

Operation Ambient Temperature TA   85 C



Operation Ambient Temperature TA   70 C*3

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