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6561672064, 6561J, 6562

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6561672064, 6561J, 6562 Selling Leads, Datasheet

MFG:MOT Package Cooled:PLCC52 D/C:02/03+

6561672064, 6561J, 6562 Datasheet download

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Part Number: 6561672064

MFG: MOT

Package Cooled: PLCC52

D/C: 02/03+

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6562 General Description

The e5561 is a member of the TEMIC Semiconductors IDentification IC (IDIC) family for applications where information has to be transmitted contactless. The IDIC is connected to a tuned LC circuit for power supply and bidirectional data communication (Read/Write) to a base station. TEMIC Semiconductors offers LC circuit and chip assembled in form of a transponder or tag. These units are small, smart and rugged data storage units.

The e5561 is a Read/Write crypto IC for applications which demand higher security levels than standard R/W transponder ICs can offer. For that purpose, the e5561 has an encryption algorithm block which enables a base station to authenticate the transponder. The base station transmits a random number to the e5561. This challenge is encrypted by both IC and base station. The e5561 sends back the result to the base station for comparison. As both should possess the same secret key, the results of this encryption are expected to be equal. Any attempt to fake the base station with a wrong transponder will be recognized immediately.

The on-chip 320-bit EEPROM (10 blocks of 32 bits each) can be read and written blockwise by a base station. Two or four blocks contain the ID code and six memory blocks are used to store the crypto key as well as the read/write options. The crypto key and the ID code can be protected individually against overwriting. Likewise, the crypto key can not be read out.

125 kHz is the typical operational frequency of a system using the e5561. Two read data rates are programmable. Reading occurs through damping the incoming RF field with an on-chip load. This damping is detected by the field-generating base station. Data transmission starts after power-up with the transmission of the ID code and continues as long as the e5561 is powered. Writing is carried out with TEMIC Semiconductors writing method. To transmit data to the e5561, the base station has to interrupt the RF for a short time to create a field gap. The information is encoded in the number of clock cycles between two subsequent gaps.

6562 Maximum Ratings

Parameters	Symbol	Value	Unit
Supply voltage	V_DD	0.3 to +7.0	V
Input voltage	V_IN	V_SS 0.3 V_IN V_DD +0.3	V
Current into Coil1\Coil2	I_C1\I_C2	10	mA
Power dissipation	P_tot	100	mW
Operating temperature range	T_amb	40 to +85
Storage temperature range 2)	T_stg	40 to +125
Assembly temperature (t 5 min)	T_ass	170

    (1) Free-air condition. Time of application: 1s
    (2) Data retention reduced
     Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device.

6562 Features

· Low-power, low-voltage CMOS IDIC
· Contactless power supply, data transmission and programming of EEPROM
· Radio Frequency (RF): 100 kHz to 150 kHz,typically 125 kHz
· Automatic programmable adaptation of resonance frequency
· Easy synchronization with special terminators
· High-security method unilink challenge response authentication by AUT64 crypto algorithm
· Encryption time < 10 ms, optional < 30 ms programmable at 125 kHz
· 320-bit EEPROM memory in 10 blocks of 32 bits each
· Programmable read/write protection
· Extensive protection against contactless malprogramming of the EEPROM
· Programming time for one block of the EEPROM16 ms typically
· Main options set by EEPROM:
Bitrate [bit/s]: RF/32, RF/64
Encoding: Manchester, Biphase

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