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EM4550 - 1-KBit Read/Write Contactless Identification Device

This page provides the datasheet information for the EM4550, a member of the EM4450 1-KBit Read/Write Contactless Identification Device family.

Datasheet Summary

Description

The EM4450/4550 is a CMOS integrated circuit intended for use in electronic Read/Write RF Transponders.

The difference between EM4450 and EM4550 is that EM4550 are bumped and has megapads for the two coils.

Features

  • 1 KBit of EEPROM organized in 32 words of 32 bits 32 bit Device Serial Number (Read Only Laser ROM) 32 bit Device Identification (Read Only Laser ROM) Power-On-Reset sequence Power Check for EEPROM write operation User defined Read Memory Area at Power On User defined Write Inhibited Memory Area User defined Read Protected Memory Area Data Transmission performed by Amplitude Modulation Two Data Rate Options 2 KBd (Opt64) or 4 KBd (Opt32) Bit Period = 64 or 32 periods of field frequency 170 pF ±.

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Datasheet preview – EM4550

Datasheet Details

Part number EM4550
Manufacturer EM Microelectronic
File Size 259.47 KB
Description 1-KBit Read/Write Contactless Identification Device
Datasheet download datasheet EM4550 Datasheet
Additional preview pages of the EM4550 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com EM MICROELECTRONIC - MARIN SA EM4450 EM4550 1 KBit Read/Write Contactless Identification Device Description The EM4450/4550 is a CMOS integrated circuit intended for use in electronic Read/Write RF Transponders. The difference between EM4450 and EM4550 is that EM4550 are bumped and has megapads for the two coils. The chip contains 1 KBit of EEPROM which can be configured by the user, allowing a write inhibited area, a read protected area, and a read area output continuously at power on. The memory can be secured by using the 32 bit password for all write and read protected operations. The password can be updated, but never read. The fixed code serial number and device identification are laser programmed making every chip unique.
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