V4070 EM Microelectronic, V4070 Datasheet
V4070
Related parts for V4070
V4070 Summary of contents
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... No external supply buffer capacitance needed due to low power consumption Description The V4070 is a CMOS integrated circuit intended for use in electronic Read/Write RF Transponders. The chip contains an implementation of a crypto-algorithm with 96 Bits of user configurable secret-key contained in EEPROM. It also provides a unique Device Identi- fication of 32 Bits that can never be modified as well as 30 Bits of freely programmable USER-MEMORY ...
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... Unless otherwise specified, proper operation can - 0 0 only occur when all terminal voltages are kept within 125 C the supply voltage range Table 1 Demodulator Signal on Transponder coil Signal on Transceiver coil RF Carrier V4070 Transponder Coil 1 V4070 Coil 2 READ MODE Data Figure 3 2 ...
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... Conditions t por t RF periods rdb t RF periods patt t RF periods rID T RF periods div t RF periods auth t RF periods periods V4070 Unit 0.5 2.5 170 200 230 -75 75 ppm 2.2 2 ...
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... Command Decoder Functional Description General The V4070 is supplied by means of an electromag- netic field induced on the attached coil. The AC volt- age is rectified in order to provide a DC internal supply voltage. When the DC voltage crosses the Power-On level, the chip will enter the Standby Mode and expect commands ...
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... Transceiver sends to the chip the RM pattern during the 32 clocks of modulated phase in a Listen Window (LIW). The V4070 will stop sending data upon reception of a valid RM. The RM pattern consists of 2 bits “0” sent by the transceiver. The first “0” detected during the 32 periods when the modulation is “ ...
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... Column Even Parity After reception of the write command, the address and Data the data, the V4070 will check the parity and the Lock- Bits. If all the conditions are fullfilled, an Acknowledge pattern (ACK) will be issued, and the EEPROM writ- ing process will start. At the end of programming the Figure 10 chip will send an Acknowledge pattern (ACK) ...
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... Send ACK End Power On Reset When the V4070 with its attached coil will enter an electromagnetic field, the built in AC/DC converter will supply the chip. The DC voltage is monitored and a Reset signal is generated to initialise the logic. The power On Reset is also provided in order to make sure that the chip will start issuing LIWs and be ready to accept commands with a sufficient DC power level ...
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... EM MICROELECTRONIC-MARIN SA Communication from Transponder to the Transceiver ( READ MODE) The V4070 modulates the amplitude of the RF field to transmit data to the transceiver. The data is output serially from the EEPROM and manchester encoded. Data from EEPROM Coded Data Measured on The V4070 uses different patterns to send status information to the transceiver. Their structure cannot be confused with a bit pattern sequence ...
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... Dimensions in [mm] Ordering Information The V4070 is available in chip form: For sampling, the following version is available: Other packages available on request. EM Microelectronic-Marin SA cannot assume responsibility for use of any circuitry described other than circuitry entirely embodied Microelectronic-Marin SA product. EM Microelectronic-Marin SA reserves the right to change the circuitry and specifications without notice at any time ...