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EM4469

Features: · 512 bit EEPROM organised in 16 words of 32 bits· 32 bit Password read and write protection· 32 bit unique identification number (UID)· 10 bit Customer code· Lock feature convert EEPROM words in read only· Multi-purpose encoding (Manchester, Biphase, Miller, PSK, FSK)· Multi-purpose dat...

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SeekIC No. : 004335918 Detail

EM4469: Features: · 512 bit EEPROM organised in 16 words of 32 bits· 32 bit Password read and write protection· 32 bit unique identification number (UID)· 10 bit Customer code· Lock feature convert EEPROM w...

EM4469 Data Sheet

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Part Number:
EM4469
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/5

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Product Details

Description



Features:

· 512 bit EEPROM organised in 16 words of 32 bits
· 32 bit Password read and write protection
· 32 bit unique identification number (UID)
· 10 bit Customer code
· Lock feature convert EEPROM words in read only
· Multi-purpose encoding (Manchester, Biphase, Miller, PSK, FSK)
· Multi-purpose data rate from 1 up to 32 Kbaud
· Power-check for EEPROM write operation
· 100 to 150 kHz frequency range
· On-chip rectifier and voltage limiter
· No external supply buffer capacitor needed
· -40 to +85°C temperature range
· Very low Power consumption
· EM4469: trimmed resonant capacitor integrated on chip (330pF, 250pF or 75pF mask option)


Application

· Access Control
· Animal Identification
· Material Logistics


Specifications

Parameter
Symbol
Conditions
Input current on COIL1/COIL2 ICOIL -30 to +30mA
Operating temperature range TOP -40 to +85°C
Storage temperature range TSTORE -55 to +125°C
Electrostatic discharge to
MIL-STD-883C method 3015		 VESD 2000V



Description

EM4469 is a CMOS integrated circuit intended for use in electronic Read/Write RF transponders.

The IC EM4469 is powered by picking the energy from a continuous 125 kHz magnetic field via an external coil, which together with the integrated capacitor form a resonant circuit. The IC read out data from its internal EEPROM and sends it out by switching on and off a resistive load in parallel to the coil. Commands and EEPROM data updates can be executed by 100% AM modulation of the 125 kHz magnetic field.

There are several data rate and data encoding options available. Options are stored in EEPROM Configuration word. Read and write access to EEPROM can be protected by 32 bit password. All EEPROM words can be write protected by setting lock bits which transform them in read-only.

EM4469 contains factory programmed and locked 32 bit UID number, chip type and customer code.




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